Native Plants

Awnless Leastdaisy

Chaetopappa imberbis

USDA symbol: CHIM

annual forb

Lower 48 states: native

Meet the awnless leastdaisy (Chaetopappa imberbis), a charming little wildflower that proves good things really do come in small packages. This petite Texas native might not command attention like a bold sunflower, but its delicate beauty and ecological importance make it a wonderful addition to native plant gardens—with one important ...

Awnless Leastdaisy may be listed as rare in your area.
Global Conservation Status

Status: S3 | Vulnerable: Found only in a restricted range (even if abundant at some locations). Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals.

Awnless Leastdaisy: A Delicate Texas Native Worth Protecting

Meet the awnless leastdaisy (Chaetopappa imberbis), a charming little wildflower that proves good things really do come in small packages. This petite Texas native might not command attention like a bold sunflower, but its delicate beauty and ecological importance make it a wonderful addition to native plant gardens—with one important caveat we’ll discuss.

What Makes Awnless Leastdaisy Special

The awnless leastdaisy is a true Texan through and through. This annual forb belongs exclusively to the Lone Star State, where it graces the landscape with tiny white daisy-like flowers centered with cheerful yellow discs. Don’t let its diminutive size fool you—this little wildflower packs a punch when it comes to supporting local pollinators and adding delicate texture to native plantings.

As an annual, this plant completes its entire life cycle in just one growing season, but it’s quite good at ensuring future generations through self-seeding. The plant grows as a forb, meaning it’s an herbaceous flowering plant without woody stems, staying close to the ground and spreading naturally through favorable conditions.

Where You’ll Find This Texas Treasure

Awnless leastdaisy calls Texas home, specifically thriving in the central and south-central regions of the state. This geographic specificity makes it a true endemic species—you won’t find it growing wild anywhere else in the world.

  • Species observed
  • No observations

Important Conservation Note

Here’s where we need to have a serious conversation: awnless leastdaisy carries a Global Conservation Status of S3, meaning it’s considered vulnerable. With typically only 21 to 100 occurrences and between 3,000 to 10,000 individuals remaining, this little daisy needs our protection.

If you’re interested in growing this native beauty, please ensure you source seeds or plants from reputable native plant suppliers who practice responsible collection methods. Never collect seeds or plants from wild populations, as this can further threaten already vulnerable communities.

Growing Awnless Leastdaisy Successfully

The good news? If you can get your hands on responsibly sourced seeds, awnless leastdaisy is surprisingly easy to grow. This adaptable little plant thrives in USDA hardiness zones 8-10, making it perfect for most Texas gardens.

Ideal Growing Conditions

  • Sunlight: Full sun exposure for best flowering
  • Soil: Well-draining soils are essential—this plant doesn’t like wet feet
  • Water: Drought tolerant once established, requiring minimal supplemental watering
  • Climate: Adapted to Texas heat and variable rainfall patterns

Planting and Care Tips

  • Direct seed in fall for spring germination
  • Scatter seeds lightly over prepared soil and barely cover
  • Water gently until germination occurs
  • Once established, minimal care is needed
  • Allow plants to self-seed for natural population expansion
  • Avoid over-fertilizing, which can promote excessive foliage at the expense of flowers

Garden Design and Landscape Use

Awnless leastdaisy shines in several garden settings:

  • Native plant gardens: Perfect for authentic Texas landscapes
  • Xeriscapes: Excellent drought tolerance makes it ideal for water-wise gardening
  • Wildflower meadows: Adds delicate texture among bolder native flowers
  • Naturalized areas: Great for low-maintenance areas where it can self-seed
  • Pollinator gardens: Supports native bees and other beneficial insects

Supporting Texas Wildlife

While small in stature, awnless leastdaisy plays an important role in supporting Texas ecosystems. Its flowers attract small native bees and other beneficial insects that are crucial for pollinating both wild plants and agricultural crops. By growing this native species, you’re providing food sources that co-evolved with local wildlife over thousands of years.

The Bottom Line

Awnless leastdaisy represents everything wonderful about native plant gardening—it’s beautiful, low-maintenance, ecologically valuable, and perfectly adapted to local conditions. However, its vulnerable conservation status means we need to be thoughtful stewards.

If you’re passionate about Texas natives and can source seeds responsibly, this little daisy deserves a place in your garden. Just remember: we’re not just growing a pretty flower, we’re helping preserve a piece of Texas’s natural heritage for future generations. And honestly, that makes every tiny white bloom even more precious.

Chaetopappa imberbis is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Chaetopappa imberbis is also known as:

Chaetopappa asteroides ex DC. var. imberbis | USDA symbol: CHASI

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Asteridae
Order: Asterales
Family: Asteraceae Bercht. & J. Presl - Aster family
Genus: Chaetopappa DC. - leastdaisy

Species: Chaetopappa imberbis (A. Gray) G.L. Nesom - awnless leastdaisy

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA