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Bookstore

Welcome to our Virtual Bookstore! Enjoy browsing our selection of books about the Native Plants of Texas. We are offering this virtual bookstore through an Amazon Associates partnership. A portion of all purchases made through the Amazon links on this page will support the Native Plant Society of Texas. Thank you in advance for your support!

Our bookstore has raised thousands of dollars to support Texas native plants thanks to you!

Explore top picks and trending titles!

Expand these to see some featured books.

Bicycling with Butterflies: My 10,201-Mile Journey Following the Monarch Migration
Sara Dykman

The author’s compelling personal journey confirming the urgency of supporting the 2-way migration of monarch butterflies. View an interview with the author on Central Texas Gardener here.

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Bringing Nature Home: How You Can Sustain Wildlife with Native Plants
Douglas W. Tallamy

This book is a call to arms for gardeners who are searching for a better way to plant, maintain, and enjoy their gardens. The author argues that traditional landscaping practices are harmful to the environment and unsustainable in the long run. He advocates for a new approach to gardening that works with nature, not against it. The book provides practical advice on how to create a low-maintenance, sustainable garden that is both beautiful and beneficial to the environment. It includes in-depth profiles of native plants that are well-suited to different regions of the United States, as well as tips on how to design a garden that is both aesthetically pleasing and ecologically sound.

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Gardening With Prairie Plants: How To Create Beautiful Native Landscapes
Sally Wasowski and Andy Wasowski

Filled with practical advice and detailed information, this indispensable guide to prairie gardening shows readers how to choose space, plan a garden, select plants and flowers, and much more.

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Native Plants for Southwestern Landscapes
Judy Mielke

For gardeners who want to conserve water, the color, fragrance, shade, and lush vegetation of a traditional garden may seem like a mirage in the desert. But such gardens can flourish when native plants grow in them. In this book, Judy Mielke, an expert on Southwestern gardening, offers the most comprehensive guide available to landscaping with native plants. Writing simply enough for beginning gardeners, while also providing ample information for landscape professionals, she presents over three hundred trees, shrubs, vines, grasses, groundcovers, wildflowers, cacti, and other native plants suited to arid landscapes.

The heart of the book lies in the complete descriptions and beautiful color photographs of plants native to the Mojave, Sonoran, and Chihuahuan desert regions of the southwestern United States and northern Mexico. Mielke characterizes each plant and gives detailed information on its natural habitat, its water, soil, light, temperature, and pruning requirements, and its possible uses in landscape design.

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Native Texas Gardens: Maximum Beauty Minimum Upkeep
Sally Wasowski and Andy Wasowski

This time-proven classic explores 600 gardens that make the most of the Lone Star State’s home-grown native greenery.

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Native Texas Plants: Landscaping Region by Region
Sally Wasowski and Andy Wasowski

Landscape designs for every ecoregion and terrain found across Texas.

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Nature’s Best Hope
Douglas W. Tallamy

Nature’s Best Hope shows how homeowners everywhere can turn their yards into conservation corridors that provide wildlife habitats. Because this approach relies on the initiatives of private individuals, it is immune from the whims of government policy. Even more important, it’s practical, effective, and easy—you will walk away with specific suggestions you can incorporate into your own yard.

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Wildflowers of Texas
Micheal Eason

Michael Eason describes and illustrates more than 1,100 commonly encountered species, both native and introduced. The book is organized by flower color, with helpful color coding along the page edges making it easy to navigate.

How To Make a Pollinator Garden: Como Hacer un Jardín Polinizador
Camelia Maier

How To Make a Pollinator Garden, a bilingual picture book in English and Spanish, teaches readers why pollinators are important, what kids can do to help them thrive, and provides step-by-step instructions to create a pollinator garden. The engaging story is paired with relatable, diverse characters throughout the artwork.

An interdisciplinary project funded in part by the Texas Woman’s University Creative Arts and Humanities Grant, the book is written by Camelia Maier, PhD, TWU Biology professor with scholarly expertise in plant-pollinator relationships and director of The Bettye Myers Butterfly Garden. The illustrations and design were created by TWU graphic design majors Chelsea Flores and Kathryn Kelly under the art direction of Sheli Petersen, professor of Graphic Design & Illustration. Maria Serrano, PhD, of the TWU Biology faculty provided the Spanish translation.

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A Natural History of Empty Lots: Field Notes from Urban Edgelands, Back Alleys, and Other Wild Places
Christopher Brown

A Natural History of Empty Lots is a genre-defying work of nature writing, literary nonfiction, and memoir that explores what happens when nature and the city intersect.

During the real estate crash of the late 2000s, Christopher Brown purchased an empty lot in an industrial section of Austin, Texas. The property—abandoned and full of litter and debris—was an unlikely site for a home. Brown had become fascinated with these empty lots around Austin, so-called “ruined” spaces once used for agriculture and industry awaiting their redevelopment. He discovered them to be teeming with natural activity, and embarked on a twenty-year project to live in and document such spaces. There, in our most damaged landscapes, he witnessed the remarkable resilience of wild nature, and how we can heal ourselves by healing the Earth.

Beautifully written and philosophically hard-hitting, A Natural History of Empty Lots offers a new lens on human disruption and nature, offering a sense of hope among the edgelands.

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The Monarch Butterfly Migration: Its Rise and Fall
Monika Maeckle

Each fall, millions of monarch butterflies migrate from Canada to Mexico. Their incredible journey—nearly 3,000 miles long—takes them through Oklahoma, Texas, and other US states, where butterfly devotees eagerly await their arrival. The monarch migration is a brilliant demonstration of nature’s ingenuity, but the delicate creatures face many perils, and the number of migrating monarchs is declining sharply. This compelling book weaves natural history, science, and personal experience to explore the rise and fall of one of nature’s most spectacular phenomena.

While monarch butterflies have been migrating for centuries, they seized public attention in 1976 when a National Geographic magazine cover story featured the “discovery” of their roosting sites in Mexico. The article rocked the world of lepidoptery, solved a scientific mystery, and opened the door to human meddling. The new revelations put a spotlight on the insects, and inspired the creation of butterfly sanctuaries in Mexico as well as myriad efforts to protect them. Almost 40 years later, many believe that monarch butterflies are in danger of extinction. How real is that danger?

Journalist and butterfly advocate Monika Maeckle addresses this question and more as she delves into the rich history and current plight of the monarch butterfly. Through meticulous reporting, Maeckle offers unique insights on the butterflies as well as a nuanced portrait of the shifting and sometimes contentious community of scientists, enthusiasts, and “flutterati” who have emerged to support the monarchs’ cause.

A highly engaging book, The Monarch Butterfly Migration also focuses a wider lens on the effects of climate change and the tensions between advocacy and scientific accuracy. In addition to calling for environmental sustainability, this book reminds each of us to notice—and never take for granted—the natural wonders in our own backyards.

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 Mystery of the Monarchs: How Kids, Teachers, and Butterfly Fans Helped Fred and Norah Urquhart Track the Great Monarch Migration
Barb Rosenstock, Erika Meza

A gorgeous picture book based on the true story of a scientist who solves the mysteries of monarch butterfly migration—with the help of schoolchildren! A perfect story for nature lovers of all ages from the Caldecott Honor winning author of The Noisy Paint Box.

Young Fred Urquhart was fascinated by insects, especially his favorite, the monarch butterfly. He wondered where monarchs spent the winter. No one knew. After he became an entomologist (bug scientist),Fred and his wife, Norah,tagged hundreds of butterflies,hoping to solve the mystery of the monarchs. But they soon discovered that they needed help. They started a “butterfly family,” a community of children, teachers, and nature enthusiasts from three countries—Canada, the United States,and Mexico—to answer the question: Where do the monarchs go?

Detailed materials in the back of the book include maps of monarch migration, the life cycle of the butterfly, and the cultural relevance of monarch butterflies in Mexico, as well as information on environmental efforts towards monarch conservation.

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Naturalist’s Austin: A Guide to the Plants and Animals of Central Texas
Lynne M. Weber, Jim Weber

With clarity and depth of knowledge, Naturalist’s Austin: A Guide to the Plants and Animals of Central Texas provides a tour that includes nearly 700 species of plants and animals native to the region. The book opens with a natural history overview underscores the importance of a strong environmental ethic for ensuring the ability of naturally occurring species to thrive within an urban environment—even one exhibiting the type of explosive growth found in Austin.

Highlighting features of the area’s natural processes (migration, wildfire, caves, aquifers, and others), Weber and Weber present lavishly illustrated accounts of both common and unique plant and animal species, with selected exotics included, that may be found in Austin and the surrounding areas. Each section in the species accounts opens with an informative overview, and the individual accounts discuss species status, seasonality, descriptions, habitat, and “fun facts” related to interesting behaviors or adaptations.

With vivid photographs throughout, this colorful and informative guide is sure to be a favorite of Texas nature lovers. Naturalist’s Austin provides an authoritative and enjoyable resource for the greater appreciation and better stewardship of our natural resources.

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Planting in a Post-Wild World: Designing Plant Communities for Resilient Landscapes
Thomas Rainer, Claudia West

Over time, with industrialization and urban sprawl, we have driven nature out of our neighborhoods and cities. But we can invite it back by designing landscapes that look and function more like they do in the wild: robust, diverse, and visually harmonious. This book is an inspiring call to action dedicated to the idea of a new nature—a hybrid of both the wild and the cultivated—that can flourish in our cities and suburbs. This is both a post-wild manifesto and practical guide that describes how to incorporate and layer plants into plant communities to create an environment that is reflective of natural systems and thrives within our built world.

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Your Remarkable Riparian A Field Guide to Riparian Plants Within the Nueces River Basin of Texas
Steve Nelle

This user-friendly guide introduces the most commonly observed riparian vegetation in
the Edwards Plateau and Rio Grande Plains. However, most of the plants presented
herein occur in riparian areas all across Texas, including the Cross Timbers, Trans-Pecos
and Rolling Plains. The riparian principles described apply to all creeks and rivers.
We’ve included images and details on plants that truly provide the heavy lifting when
it comes to holding and cleaning water within the riparian landscape.

This field guide is a tool that you can refer to again and again. Keep it on the dashboard,
take it to the creek, or leave it on the kitchen table so you can consult it regularly. It’s up to
you to learn to read your riparian areas and determine if they’re gaining or losing function.
With this knowledge and appreciation, you can successfully assess and monitor your
riparian areas and help manage them in ways that conserve and enhance their function.

The Purchase button links to a FREE PDF eBook.

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Weeds in South Texas and Northern Mexico: A Guide to Identification
James H. Everitt, D. Lynn Drawe, Robert I. Lonard

One person’s weed is another’s wildflower, but in this book weeds of southern Texas and northern Mexico are defined as plants that are considered a nuisance to farmers or noxious to livestock in the region. The book covers 189 broad-leaved herbaceous species, grasslike plants, and grasses, encompassing 144 genera and 45 families. These include one species of fern, 142 species of dicots, and 46 species of monocots. Of the dicots, 111 species of dicots are native and 31 are introduced. Twenty-one species of monocots are native, and 25 are introduced.

The species descriptions include color photographs, family names, common names, scientific names, general descriptions, and the ecological characteristics of the weeds. Voucher specimens for most of the plants are on file in the University of Texas–Pan American Herbarium. Although this book focuses on plants that occur on both sides of the Rio Grande in Texas and northern Mexico, the extensive ranges of many of the represented species make it a useful reference for weeds in other areas of Texas and the southwestern United States. This book will be useful to farmers and farm managers, agricultural consultants, ranchers, natural resource managers, scientists, and anyone interested in the flora of southern Texas and northern Mexico.

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How To Make a Pollinator Garden: Como Hacer un Jardín Polinizador
Camelia Maier

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Hummingbird Plants of the Southwest
Marcy Scott

120 plant profiles, with detailed information on their significance to hummingbirds.

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Hummingbirds of Texas
Clifford E. Shackelford, Madge M. Lindsay, C. Mark Klym

Written for a general audience, with spectacular images for birders and nature enthusiasts at every level, Hummingbirds of Texas reveals the enormous appeal of this tiniest and shiniest of birds. The book opens with a look at the many manifestations of the human attraction to these flying jewels. Tips make attracting hummingbirds to your own lawn or garden easy, such as what to plant in the ground or in pots and how to choose and take care of feeders. The authors then showcase the nineteen different hummingbird species that have appeared in the region covered by the book. Magnificent color photographs and original artwork aid in identification and accompany descriptions, range maps, and abundance graphs for each species.

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In a Desert Garden: Love and Death Among the Insects
John Alcock

This book is about the author’s personal laboratory for ecological studies, which he created by replacing the Bermuda grass in his suburban Arizona lawn with gravel, cacti, and fairy dusters. He seeded his property with flowers to entice certain insects and even added a few cowpies to attract termites. His observations of life in his own front yard provided him with the fieldnotes for this unusual book .

The book draws readers into the strange and fascinating world of plants and animals native to Arizona’s Sonoran Desert. As Alcock studies the plants in his yard, he shares thoughts on planting, weeding, and pruning that any gardener will appreciate. And when commenting on the mating rituals of spiders and beetles or marveling at the camouflage of grasshoppers and caterpillars, he uses humor and insight to detail the lives of the insects that live in his patch of desert. Celebrating the virtues of even aphids and mosquitoes, Alcock draws the reader into the intricacies of desert life to reveal the complex interactions found in this unique ecosystem .

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Insects and Gardens: In Pursuit of a Garden Ecology
Eric Grissell

This book is about the role of insects in garden ecology and how they can be beneficial to the garden ecosystem. Grissell suggests that it might be time to declare a truce with insects in the garden. He explains the vital role insects play in every garden ecosystem and writes about the various orders of insects, describing how the insects grow, feed, and reproduce. With a sound basis in science and a practical grounding in gardening experience, Grissell seeks to introduce the reader to insect biology and the role of insects in garden ecology. He describes the various orders of insects the gardener is likely to encounter, and writes knowledgeably about how insects grow, feed, and reproduce.

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Invasive Plants: Guide to Identification and the Impacts and Control of Common North American Species
Sylvan Ramsey Kaufman, Wallace Kaufman

This book provides a comprehensive guide to identifying and understanding the plants that are changing the North American landscape forever.

The book features full-color photos and descriptions of more than 250 alien species, both terrestrial and aquatic, that are in some cases changing the landscape to an almost unimaginable degree. Accompanying text describes the plant’s environmental and economic impacts as well as management techniques used to control it.

The book is divided into several sections, including “The Aliens Landed Long Ago and Keep Arriving,” “Invasives Changing Wild America,” “Managing the Good, the Bad, and the Ugly,” “A Quick Key to Identifying Major Species of Invasive Plant Groups,” “A Field Guide to Individual Species,” and “More Information”.

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Inviting Pollinators and Other Wildlife Into Your Garden
Shaun Michael McCoshum

Inviting Pollinators and Other Wildlife Into Your Garden is not only a how-to on building natural habitats for native wildlife, but is also a complete guide. Readers new to native landscaping can accomplish their goal of creating a space for all native species to enjoy and to thrive.

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Landscape Plants for Dry Regions
Warren Jones, Charles Sacamano

This book is a definitive guide to landscaping in the Southwest, featuring exotic plants of tremendous potential seldom used in Southwest landscapes.

The book contains full-color photos and descriptions of more than 250 alien species, both terrestrial and aquatic, that are in some cases changing the landscape to an almost unimaginable degree. Accompanying text describes the plant’s environmental and economic impacts as well as management techniques used to control it.

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Landscaping with Native Plants of Texas
George Oxford Miller

In this comprehensive, richly illustrated guide, author George Oxford Miller provides the “how-to,” “when-to,” and “what-to” for gardeners, landscapers, and homeowners throughout Texas. Have you ever planted a beautiful—and expensive—shrub in your yard and watched it slowly die because it was in the wrong location? Insufficient sunlight, too much water, improper soil, or too hot an exposure can turn the nursery-perfect specimen into an eyesore. This all-in-one DIY guide helps you beautify your yard using low-maintenance native plants specifically adapted to your local growing conditions.

Whether as foundation hedges, mass plantings, or accent shrubs, Texas’ vast offering of native species can bring year-round beauty to any lawn space. Covering wildflowers, shrubs, trees, vines, cacti, and groundcovers, this book selects the species that combine ornamental qualities, growth habit, adaptability, and year-round beauty for the highest landscape value.

Chapters include photos, maps, charts, and design samples to provide guidelines for species selection and planting, ongoing maintenance, landscape design, and water and energy conservation. Plant descriptions provide detailed habitat requirements for hundreds of native plants, and photos illustrate how each plant looks in the landscape. In Landscaping with Native Plants of Texas, new and experienced gardeners alike will find the facts and advice needed to choose the plants best adapted for their particular landscape. The ornamental beauty of Texas’ native species and the economic advantages of using plants adapted to the local climate demonstrate that the best for our landscapes often comes from our own backyards. And perhaps most importantly, using native plants encourages the repair and preservation of natural plant communities and the wildlife they shelter.

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Last Child in the Woods:Saving our Children from Nature-Deficit Disorder
Richard Louv

In this work, Louv highlights the declining exposure of children to nature in American society, coining the term “nature-deficit disorder.” He delves into how this lack of connection with the natural world adversely affects children and society as a whole. Some of the key points from the book include:

  1. Nature-Deficit Disorder: Louv argues that children today spend less time outdoors due to various factors such as parental fears, structured schedules, and limited access to natural spaces. This deficit has significant implications for physical, psychological, and spiritual well-being.
  2. Health Implications: The book explores how nature can serve as therapy for conditions like depression, obesity, and attention deficit disorder. Environment-based education not only improves test scores but also fosters critical thinking and problem-solving skills.
  3. Alternative Future: Louv presents an alternative vision where parents actively encourage their children to engage with nature. By doing so, families can find joy, connectedness, and creativity through outdoor experiences.

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Lawn Gone! Low-Maintenance, Sustainable, Attractive Alternatives for Your Yard
Pam Penick

In this book, Penick explores innovative ways to transform traditional lawns into more eco-friendly, low-maintenance landscapes. Here are the key points from the book:

  1. Lawn Alternatives: The book covers a variety of time-saving options for replacing lawns. These include:
    • Alternative Grasses: Grasses that require little or no mowing.
    • Ground Cover Plants: Low-maintenance plants that can cover large areas.
    • Artificial Turf: Realistic-looking turf that doesn’t need mowing.
    • Hardscaping: Using non-plant materials like stones, pavers, or gravel.
    • Mulch: A practical and attractive ground cover.
  2. Step-by-Step Guidance: The book provides detailed instructions on removing existing lawns and implementing these alternatives. It also addresses challenges such as dealing with neighbors and homeowner associations.
  3. Regional Recommendations: Penick offers plant recommendations suitable for different parts of the country, considering climate and soil conditions.

Whether you’re a seasoned gardener or a beginner, Lawn Gone! empowers you to create a beautiful, sustainable yard that requires less effort and resources.

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Manual of the Vascular Plants of Texas
Donovan Stewart Correll, Marshall Conring Johnston

This book is a comprehensive guide to the vascular plants of Texas. It includes detailed descriptions and illustrations of over 5,000 species of plants, as well as information on their distribution, ecology, and economic importance.

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Marine Plants of the Texas Coast
Roy L. Lehman

Veteran botanist and educator Roy L. Lehman describes Texas marine plants in four major sections: common shoreline plants, seagrasses, mangroves, and marine algae (red, brown, and green seaweeds.) Each section begins with an introduction that gives an overview of the plant group and includes information on the important traits and terminology used for identification.

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Matagorda Island, A Naturalist’s Guide
Wayne H. McAlister

This book is a comprehensive exploration of Matagorda Island, one of the barrier islands along the Texas coastline. The book sheds light on the island’s natural wealth and ecological fragility. Here are the key takeaways:

Matagorda Island stands as a pristine example of an undisturbed barrier island. Unlike many others affected by human development, it remains a haven for sand dunes, sea grasses, waterbirds, and beach creatures. The authors delve into the island’s geology, history, and ecological systems. From vegetation to mammals, birds, herptiles, fish, and invertebrates, every component plays a vital role in maintaining the island’s delicate balance.

Beyond its natural wonders, Matagorda Island has a rich human history. From Karankawa Indians to European explorers, Civil War-era settlers, lighthouse keepers, and even the U.S. Air Force (which used it as a bombing range), the island’s past is woven into its landscape.The book emphasizes the island’s potential future—a place where humans can coexist with nature, appreciating the intricate web of relationships that connect land and living creatures.

In summary, this book invites readers to explore this unique ecosystem, appreciate its past, and envision a sustainable future.

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Native and Adapted Landscape Plants, An Earthwise Guide for Central Texas
Texas AgriLife Extension and the City of Austin

This Grow Green guide was created to help you select plants that are native to and adapted for the Austin area. These plants tend to be drought tolerant, most need little, if any supplemental fertilizer, are resistant to most diseases and pests, and many provide habitat and food sources for local wildlife. The less watering, fertilizing and chemical usage required in your yard, the more you contribute to the conservation and protection of our precious water resources – our streams, lakes and aquifers.

Note that the purchase button links to a free PDF eBook.

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Native Host Plants for Texas Butterflies: A Field Guide
Jim Weber, Lynne M. Weber, and Roland H. Wauer

This user-friendly, heavily illustrated field guide describes 101 native larval host plants in Texas. Each plant species includes descriptive information on the plant, a distribution map, and photos of both the caterpillars and adult butterflies that frequent them.

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Native Host Plants for Texas Moths: A Field Guide
Lynne M. Weber and Jim Weber

Like butterflies, moths require native plant species in order to lay their eggs and feed the caterpillar stage. This user-friendly follow-up to Lynne and Jim Weber’s Native Host Plants for Texas Butterflies describes over 100 native, larval host plants for moths in Texas. More than 150 moth species are illustrated in the book, both larval and adult phases, with one to two species for each of the described host plants.

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Native Plant Gardening for Beginners
Haeley Giambalvo

You’ll learn how with native plants it’s possible to achieve a beautiful yard without the need to overhaul your entire landscaping, sacrifice your aesthetic, or remove all your grass. You can make a difference, one native plant at a time.

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Native Plants for Southwestern Landscapes
Judy Mielke

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Native Plants in Landscaping: Trees, Shrubs, Cacti and Grasses of the Texas Desert and Mountains
Michael Powell, Shirley Powell

In this insightful guide, the focus is on the unique flora of Trans-Pecos Texas, an arid and rugged region known for its challenging climate. The authors delve into the remarkable adaptations of native plants that thrive in this environment, emphasizing their cold-hardiness and ability to withstand extreme temperatures. These species have evolved to make the most of limited water availability, making them ideal candidates for sustainable landscaping.

The book not only serves as a practical guide for gardeners and landscapers but also encourages a deeper appreciation for the native flora. By incorporating these plants into our outdoor spaces, we can create gardens that harmonize with the rugged beauty of Trans-Pecos Texas while conserving water and supporting local ecosystems.

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Native Texas Gardens: Maximum Beauty Minimum Upkeep
Sally Wasowski and Andy Wasowski

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Native Texas Plants: Landscaping Region by Region
Sally Wasowski and Andy Wasowski

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Naturalist’s Austin: A Guide to the Plants and Animals of Central Texas
Lynne M. Weber, Jim Weber

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Nature’s Best Hope
Douglas W. Tallamy

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About the Region

New Braunfels, the location of our Fall 2024 Symposium, straddles both the Edwards Plateau Ecoregion and the Blackland Prairie ecoregion. Interstate 35 divides the city of New Braunfels; its path through the city closely parallels the boundary of these two ecoregions, with the Edwards Plateau on the west side and the Blackland Prairies region to the east. The Edwards Plateau area is also called the Hill Country; however, this general term covers a much larger area extending farther north. Spring-fed creeks are found throughout the region; deep limestone canyons, rivers, and lakes (reservoirs) are common. Ashe juniper is perhaps the most common woody species found throughout the region. Additional woody species include various species of oak, with live oak (Quercus fusiformis) being the most common. Sycamores (Platanus occidentalis) and bald cypress (Taxodium distichum) border waterways. This area is well known for its spring wildflower displays, though they may be viewed in spring, late summer, and fall, as well. According to Texas Parks and Wildlife, average annual rainfall in the Edwards Plateau ranges from 15 to 34 inches.

The Blackland Prairie extends from the Red River south to San Antonio, bordered on the west by the Edwards Plateau and the Cross Timbers, and on the east by the Post Oak Savannah. Annual rainfall averages 30 to 40 inches, with higher averages to the east. This region is dominated by prairie species. The most common grass species include little bluestem (Schizachyrium scoparium) and Indian grass (Sorghastrum nutans) in the uplands and switchgrass (Panicum virgatum) in the riparian areas and drainages. Common herbaceous flowering plants include salvias, penstemons, and silphiums. This area has suffered greatly from overgrazing and agricultural use. Few intact areas remain, though many of the plants can be found along county roadsides throughout the region.

Our four host chapters (New Braunfels, Lindheimer, Guadalupe, and the Hill Country chapters) are located in one or both of the ecoregions above. However, the eastern portion of Guadalupe County also falls within the Post Oak Savanna ecoregion. Annual rainfall averages 35 to 45 inches, with higher averages to the east. A wide variety of hardwood trees are found, including several species of oaks, elms, and in the Bastrop area, loblolly pine (Pinus taeda). Grasses and forbs dominate in the open savannas, with most common grass being little bluestem. Ranching, agriculture, and fire suppression have allowed woody species to encroach on the once-open savannas.

Source: Wildflowers of Texas by Michael Eason