North America Native Plant

Onion Blanketflower

Botanical name: Gaillardia multiceps var. microcephala

USDA symbol: GAMUM

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Onion Blanketflower: A Rare Texas Native Worth Protecting Meet the onion blanketflower (Gaillardia multiceps var. microcephala), a charming little wildflower that’s as unique as its quirky name suggests. This rare Texas native brings sunny yellow blooms to gardens while supporting local ecosystems, but there’s more to this petite perennial than ...

Rare plant alert!

Region: Conservation status by state

Status: S3?T1: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Onion Blanketflower: A Rare Texas Native Worth Protecting

Meet the onion blanketflower (Gaillardia multiceps var. microcephala), a charming little wildflower that’s as unique as its quirky name suggests. This rare Texas native brings sunny yellow blooms to gardens while supporting local ecosystems, but there’s more to this petite perennial than meets the eye.

What Makes Onion Blanketflower Special?

The onion blanketflower is a true Texas original—a perennial forb that’s found nowhere else in the world except the Lone Star State. As part of the sunflower family, it produces classic daisy-like flowers with bright yellow petals that add cheerful color to any garden setting.

This low-growing herb forms compact clumps and lacks the woody stems of shrubs or trees. Instead, it grows from buds located at or below ground level, making it perfectly adapted to survive harsh Texas conditions.

Where Does It Call Home?

Onion blanketflower is exclusively native to Texas, where it has evolved to thrive in the state’s unique climate and soil conditions. This limited geographic distribution makes it a true botanical treasure.

A Word of Caution: Handle with Care

Here’s something important to know: onion blanketflower has a Global Conservation Status of S3?T1, which indicates some level of conservation concern. While the exact status may be undefined, this suggests the plant deserves our respect and protection.

If you’re considering adding this beauty to your garden, please source it responsibly from reputable native plant nurseries that propagate their stock rather than wild-collect it. Never dig plants from the wild—this can harm wild populations of this already uncommon species.

Garden Design and Landscape Use

When grown responsibly, onion blanketflower makes an excellent addition to:

  • Native Texas wildflower gardens
  • Rock gardens and xeriscapes
  • Prairie restoration projects
  • Pollinator gardens

Its compact size and drought tolerance make it perfect for challenging spots where other plants might struggle. The cheerful yellow blooms provide seasonal color while supporting local wildlife.

Growing Conditions and Care

Like most Texas natives, onion blanketflower is wonderfully low-maintenance once established:

  • Sunlight: Thrives in full sun conditions
  • Soil: Prefers well-draining soils; avoid waterlogged areas
  • Water: Drought tolerant once established; minimal watering needed
  • Climate: Best suited for USDA hardiness zones 7-9

Planting and Care Tips

Getting your onion blanketflower off to a good start is straightforward:

  • Plant in spring after the last frost date
  • Choose a sunny location with good drainage
  • Water regularly during the first growing season to establish roots
  • Once established, reduce watering—this plant loves drought conditions
  • Deadhead spent flowers to encourage continued blooming
  • No fertilization needed; native plants prefer lean soils

Supporting Texas Wildlife

As a member of the sunflower family, onion blanketflower provides valuable nectar for native bees, butterflies, and other pollinators. By growing this plant, you’re supporting the intricate web of Texas wildlife that depends on native flora.

The Bottom Line

Onion blanketflower is a delightful addition to Texas gardens, offering authentic native beauty with minimal care requirements. However, its rarity means we must be thoughtful gardeners. If you choose to grow this special plant, always source it from responsible nurseries and consider it a privilege to help preserve a piece of Texas’s natural heritage in your own backyard.

Remember: every native plant in our gardens is a small act of conservation. With onion blanketflower, you’re not just adding beauty—you’re helping protect a rare piece of Texas’s botanical legacy.

Onion Blanketflower

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Gaillardia Foug. - blanketflower

Species

Gaillardia multiceps Greene - onion blanketflower

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