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Native Plant Society of Texas

Get on the Homegrown National Park Map

Show off your native plant garden by “getting on the map”! The Native Plant Society of Texas is partnering with Doug Tallamy’s Homegrown National Park® (HNP) to add Texas native plant gardens to their Biodiversity Map . Let’s demonstrate how NPSOT members are making a real impact with their gardens!

How to get on the map and join your user account to NPSOT: 

With just a short form and a single email confirmation, your garden will be counted toward our statewide effort to make Texas #1 on the map.

Step 1: Fill out this short form
https://form.jotform.com/253381924234154

Step 2: Accept your invitation
Check your inbox for the invitation email to activate your account. Check your spam folder if you do not see your invite. You will NOT receive an invitation if you already have a Map account associated with the email you used.

Your garden will automatically count towards NPSOT’s contribution to the biodiversity movement. 

Questions? Email MapSupport@homgrownnationalpark.org.

Frequently Asked Questions:

Q: I have been on the map since 2022.  Do I have to do something? 
A:  Yes, we would like you to associate your HNP Member Profile to the Native Plant Society of Texas Membership section of your profile.  See instructions for How to Join an Organization.
 
Q:  I have more than 1 planting areas on this site and can’t find a place to enter a 2nd, 3rd and 4th planting area.
A:  See these instructions to add additional Sites and Planting Areas.
 
Q:  I tried to find the link on my membership page, but could not.  Would it be possible for you to see if my native plant garden has already been registered? 
A:  Use the SEARCH feature.  Enter the address for your profile and search on the desired address.
 
Q: Is my entry just another certification like NWF, Monarch Watch, Audubon, etc.?
A: Getting on the Biodiversity Map is not a certification.  It is a visual listing, acknowledgement and confirmation that a single individual can take independent action and make a difference in restoring the foundation of biodiversity by planting native plants.  It is free. Homegrown National Park is Doug Tallamy’s non-profit organization . It provides education about growing native plants, reducing non-productive turf lawns, removing invasive plants, and specific keystone native plants which are critical to building a foundation for habitats. This tool maps where folks are installing native plant sites and planting areas, as part of a native plant focused movement.

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