Regular price$4.00
Tax included.

Thelesperma filifolium, commonly known as stiff greenthread or plains greenthread, is a native North American wildflower that blooms with vibrant yellow daisy-like flowers. It is a hardy and drought-tolerant plant that thrives in dry, sandy or gravelly soils. With its delicate thread-like foliage and cheerful blooms, stiff greenthread makes an excellent addition to wildflower gardens, meadows, and naturalized areas.


  • Appearance: Stiff greenthread is a bushy, annual, biennial, or short-lived perennial that grows 10-30 inches tall and 15-24 inches wide. Its slender, branched stems bear finely-divided, bright green leaves that resemble threads, giving the plant its common name.

  • Flowers: From late spring to mid-summer, stiff greenthread produces a profusion of daisy-like flowers, each measuring about 2 inches across. These cheerful blooms feature 8 broad yellow ray florets surrounding a center of several dozen disc florets, usually reddish brown.

  • Habitat: Native to the central and southwestern United States, stiff greenthread is commonly found in disturbed sites, such as roadsides, fields, and prairies. It prefers dry, sandy or gravelly soils with a neutral to basic pH.

  • Blooming season: Stiff greenthread blooms from March to June and often continues into the fall.


  • Pollinator magnet: Stiff greenthread's rich nectar attracts a variety of pollinators, including butterflies, bees, and other beneficial insects.

  • Drought tolerance: This hardy plant is extremely drought-tolerant and thrives in dry conditions, making it a valuable addition to water-wise landscaping.

  • Erosion control: Stiff greenthread's deep taproot helps to stabilize soil and prevent erosion, making it a useful plant for revegetation projects.

  • Ornamental value: With its delicate foliage and vibrant yellow flowers, stiff greenthread adds beauty and color to wildflower gardens, meadows, and naturalized areas.

Thelesperma filifolium, commonly known as stiff greenthread, is a native wildflower found in various parts of North America. Its native range spans across the central and southwestern United States, reaching into northern Mexico. Here's a list of the states where you can find stiff greenthread growing wild:

United States:

  • Arkansas (AR)

  • Colorado (CO)

  • Kansas (KS)

  • Louisiana (LA)

  • Missouri (MO)

  • Mississippi (MS)

  • Nebraska (NE)

  • New Mexico (NM)

  • Oklahoma (OK)

  • South Dakota (SD)

  • Texas (TX)

  • Wyoming (WY)




I love Native Sunflowers in my home garden and landscape.

Mary Hoggins
Tyler, Texas

Last year in the Fall, I collected a lot of seeds I planted this year.

Roger Holmes
Dallas, Texas

They really added a big splash of color to the front of my house garden bed. Love them!

Audrey Long
Mobile, Alabama

You may also like

Recently viewed