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Native Plant Society of Texas

Lennard Nadalo

Lennard A. Nadalo, MD has a long-standing interest in Ecology, as seen in the survival of millions of plants, animals, and insects during the ongoing climate change. He holds a BA in the Natural Sciences, Suma Cum Lada granted to him by North Park University, and an MD degree with Honors from Northwestern University Medical School. In each of his duty assignments in the military, he learned the history and ecology of the area where he served. Lennard was born in Chicago, Illinois, where he helped maintain a family, “Victory Garden.” He created a backyard in a new home in San Antonio, TX, Eastern Maryland, Hawaii, and the Northwest USA. He has developed a Certified Wildlife Habitat in Parker, Texas, and is currently in Dallas, Texas.

Dr. Nadalo is a Certified Dallas County Master Gardener (2020). He is also a current member of the Native Plant Society of Texas, Dallas Chapter. He belongs to the Speaker’s Bureau of the Dallas County Master Gardeners and is a member and lecturer in the Allen Garden Club and a member of the Garden Club of Dallas.

Contact Lennard Nadalo

Dallas County, TX, USA

Dallas County Master Gardeners, Native Plant Society of Texas, Dallas Chapter, Allen Garden Club, the Dallas Garden Club, The National Wildlife Federation, the Audubon Society, the Wildness Society, and others.

  • Consideration: Open to Discussion
  • Driving Distance: 50 miles
  • Online Presentation: Yes
  • Online Platforms: Zoom, Microsoft Teams
  • Recording Allowed: Yes
  • Uploading Allowed: Yes

Presentations Offered:

“Wildscape” Gardening: Creating an Urban Wildlife Habitat

As urbanization expands, there is an associated decrease in natural resources available to birds, butterflies, and other native species. The generation of “heat islands” and the lost opportunity for citizens […]

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