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Highland Lakes Chapter

May 2022 Plant of the Month

Pincushion Daisy (Gaillardia suavis) photo 1 by Louise Suhey
Pincushion Daisy (Gaillardia suavis) photo 2 by Louise Suhey
Pincushion Daisy (Gaillardia suavis) photo 3 by Louise Suhey

This month I decided to highlight another native plant that is not well known to most people. I wonder why, because it has become one of my favorites. Last year I bought a variety of native seeds from Native American Seed (www.seedsource.com). ‘Pincushion Daisy’ was one of them for only $6 a packet. One packet was plenty to get started, and I have quite a stand now in an area that is about 5’x5’. (Photo 1). They are joined by ‘TX Yellow Stars’ (Lindheimera texana) and ‘Mexican Hats’ (Ratibida columnifera).

Pincushion daisy is a native throughout Texas except the far eastern or western portions. Its range is from Northern Mexico to the Great Southern Plains. The Asteraceae Family (Sunflowers) is its classification, but this plant is also called ‘Rayless Gaillardia’ due to the fact that most have no ray petals. If they do, there will be 10-12 of them. It is one of the few rare plants in the Daisy family lacking petal-like ray flowers.

‘Perfume Balls’ is most commonly found in dense stands in meadows, grasslands, prairies, or open areas. The plants prefer well-drained limestone or sandy soils, with full sun to part shade. That’s why it does so well in Hill Country. It takes average water and has a medium growth rate. Because the long tap root over winters in the ground, it can be grown in Zones 6B-10A. However, it does not like high humidity.

It is an erect, clumping perennial herb that grows to 26” tall and starts out as a dense, basal rosette. The shallow-toothed leaves are 2-6” long with brown, hollow stems rising from the center. These stems are leafless and unbranched. (Photo 2). At the ends of the stems are 1” maroon/brown balls which turn white when going to seed. These balls have numerous disk flowers with yellow pollen tops. People say on a warm day a group of these will exude a fragrance that is similar to Gardenias. Let the seeds dry on the plant. When they’ve tuned white, it’s time to collect them. I didn’t get to mine in time once, and it looked like snow on the soil. The plants reseed quite readily, and bloom from spring through summer. After going to seed, dead-heading will keep the blooms coming. The stems with the brown seed balls will make a great addition to an flower arrangement where you need some height and accents.

The best part of the ‘Pincushion Daisy’ is how much the balls are loved by pollinators. Mine are constantly covered by bees and butterflies. (Photo 3). Last, but not least, is the way the stems and balls dance in the wind. It’s like having your own kinetic, living wind sculpture in your flower garden!

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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