Volunteer for Plant Walk at Hugh Ramsey Nature Park

Come out and volunteer with us as we provide a native plant walk at Hugh Ramsey Nature Park in Harlingen. We will be showcasing the park's native plants to master naturalist from the South Texas Border Chapter PLUS we may have a second tour for a group of UTRGV professors as they seek to learn […]

Keep Mercedes Beautiful – Trees in the Ground

Come out and volunteer with Keep Mercedes Beautiful. Morning and afternoon shifts available. Sign up. If anyone has any questions, let me know. rio-grande-valley-chapter@gmail.com

BioBlitz: Cabler Park (Brownsville)

What can we find at Charlie Martin Cabler Park in Brownsville? Join us to find out! As part of a partnership with Brownsville Parks & Rec, let’s see what is out at the park by taking a bio inventory with iNaturalist. We’ll use the data for ideas on signage, tour the park to consider new […]

Coastal Water CleanUp (Gayman Bridge)

Come out and volunteer with us as work to clean up a piece of our local environment at the Puente de Los Lobos and Gayman's Bridge. EMR USA Metal Recycling / International Shipbreaking Port Of Brownsville personnel will be volunteering and grilling lunch for the volunteers. If anyone would like to help with the tour, […]

Work day at RGVNPC – July 9

Come out and volunteer with us at the Rio Grande Valley Native Plant Center on South Padre Island. Bring your garden tools, water, and snacks. While mosquitos are not usually bad, bring some bug spray just in case. We start early to take advantage of the cool mornings and stop when the day gets hot. […]

Work day at RGVNPC – July 10

Come out and volunteer with us at the Rio Grande Valley Native Plant Center on South Padre Island. Bring your garden tools, water, and snacks. While mosquitos are not usually bad, bring some bug spray just in case. We start early to take advantage of the cool mornings and stop when the day gets hot. […]

Work day at RGVNPC – July 14

Come out and volunteer with us at the Rio Grande Valley Native Plant Center on South Padre Island. Bring your garden tools, water, and snacks. While mosquitos are not usually bad, bring some bug spray just in case. We start early to take advantage of the cool mornings and stop when the day gets hot. […]

Work day at RGVNPC – July 17

Come out and volunteer with us at the Rio Grande Valley Native Plant Center on South Padre Island. Bring your garden tools, water, and snacks. While mosquitos are not usually bad, bring some bug spray just in case. We start early to take advantage of the cool mornings and stop when the day gets hot. […]

Work day at RGVNPC – July 25

Come out and volunteer with us at the Rio Grande Valley Native Plant Center on South Padre Island. Bring your garden tools, water, and snacks. While mosquitos are not usually bad, bring some bug spray just in case. We start early to take advantage of the cool mornings and stop when the day gets hot. […]

Work day at RGVNPC – July 26

Come out and volunteer with us at the Rio Grande Valley Native Plant Center on South Padre Island. Bring your garden tools, water, and snacks. While mosquitos are not usually bad, bring some bug spray just in case. We start early to take advantage of the cool mornings and stop when the day gets hot. […]

Work day at RGVNPC – July 29

Come out and volunteer with us at the Rio Grande Valley Native Plant Center on South Padre Island. Bring your garden tools, water, and snacks. While mosquitos are not usually bad, bring some bug spray just in case. We start early to take advantage of the cool mornings and stop when the day gets hot. […]

Work day at RGVNPC – July 30

Come out and volunteer with us at the Rio Grande Valley Native Plant Center on South Padre Island. Bring your garden tools, water, and snacks. While mosquitos are not usually bad, bring some bug spray just in case. We start early to take advantage of the cool mornings and stop when the day gets hot. […]

Work day at RGVNPC – July 31

Come out and volunteer with us at the Rio Grande Valley Native Plant Center on South Padre Island. Bring your garden tools, water, and snacks. While mosquitos are not usually bad, bring some bug spray just in case. We start early to take advantage of the cool mornings and stop when the day gets hot. […]

Outreach Booth at Ace Hardware

Join NPSOT members in spreading the word about the value of native plants! Sign up to help here. Location: Alspaugh's Ace Hardware of The Woodlands, 10860 Kuykendahl Rd, The Woodlands, TX

YardSmart

The North Central Chapter is promoting biodiversity by giving away free wildflower seed packets to visitors at our outreach table. We encourage new native plant gardeners in Tarrant County to re-energize the ecosystem in their home gardens. Gordon Scruggs leads the team to man our chapter table at events around Tarrant County. All members are […]

Keep Flower Mound Beautiful Environmental Fair

Visit our outreach booth at the Keep Flower Mound Beautiful Environmental Fair! We'll have knowledgeable volunteers to answer your questions and help you get started turning your landscape into a climate friendly oasis! Flower Mound High School, 3411 Peters Colony (for your GPS) – In the back parking lot at Sagebrush Drive and Old Settlers Road

Free

Fall Into Gardening

Visit our Outreach booth at the Fall Into Gardening event presented by Denton County Master Gardener Association, Beulah Acres, and Upper Trinity Regional Water District.  The event will have presentations, demonstrations, and information booths to help you grow! Learn from experts how to plan and grow the garden of your dreams.  We will have a […]

Free

PreOrder for the Fredericksburg Chapter Members-only Fall Plant Sale.

Current members of the Native Plant Society of Texas by October 9 can preorder native plants through the Fredericksburg fall native plant sale. Lists of available plants will be emailed to members Friday, October 11. Orders must be returned by Sunday, October 13 @ 10 pm. The chapter is experimenting this month by offering flats […]

Outreach Booth at Magnolia ISD Event Center

The Magnolia Rotary Club, in partnership with the Lake Creek Greenway Partnership, announces its 2024 Fundraiser project, Celebration of Nature and Outdoors, on Saturday November 9th from 11am to 3pm at the Magnolia Event Center. Sign up to help here. Location: Magnolia Event Center, 11659 FM 1488, Magnolia, TX 77354

NATIVE PLANT SALE IS HERE!

Stay tuned for Post Oak Native Plant Society Annual Plant Sale! More details to come!

About the Region

Fall Symposium 2025 Logo - Teach for the Future

Salado, the location of our Fall 2025 Symposium, lies at the intersection of two ecoregions: the Edwards Plateau (Limestone Cut Plain) and Blackland Prairie (Northern Blackland Prairie).

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 fall Symposium host chapter, the Tonkawa Chapter, includes both of these ecoregions.

Source: Wildflowers of Texas by Michael Eason