North America Native Plant

Meager Pygmydaisy

Botanical name: Pentachaeta exilis exilis

USDA symbol: PEEXE

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Aphantochaeta exilis A. Gray (APEX)  âš˜  Chaetopappa exilis (A. Gray) D.D. Keck (CHEX)  âš˜  Pentachaeta aphantochaeta (A. Gray) Greene (PEAP2)  âš˜  Pentachaeta exilis (A. Gray) A. Gray var. aphantochaeta A. Gray (PEEXA2)  âš˜  Pentachaeta exilis (A. Gray) A. Gray var. discoidea A. Gray (PEEXD)   

Meager Pygmydaisy: A Petite Native Gem for California Gardens Meet the meager pygmydaisy (Pentachaeta exilis exilis), a charming little California native that proves good things really do come in small packages. Don’t let the somewhat humble common name fool you – this annual wildflower brings delicate beauty and ecological value ...

Rare plant alert!

Region: Conservation status by state

Status: S5T3T4: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is 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. ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 10,000 individuals ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Meager Pygmydaisy: A Petite Native Gem for California Gardens

Meet the meager pygmydaisy (Pentachaeta exilis exilis), a charming little California native that proves good things really do come in small packages. Don’t let the somewhat humble common name fool you – this annual wildflower brings delicate beauty and ecological value to gardens throughout its native range.

What Makes Meager Pygmydaisy Special?

This petite member of the sunflower family (Asteraceae) is a true California native, found exclusively within the Golden State. As an annual forb, it completes its entire life cycle in one growing season, producing small daisy-like flowers that add subtle charm to native plant gardens.

The meager pygmydaisy has quite a collection of former scientific names, including Aphantochaeta exilis and Chaetopappa exilis, reflecting the evolving understanding of this plant’s botanical relationships over time.

Where Does It Grow?

You’ll find meager pygmydaisy growing wild throughout California, where it has adapted to the state’s Mediterranean climate and diverse habitats. This native status makes it an excellent choice for gardeners looking to support local ecosystems and create authentic California landscapes.

Garden Appeal and Landscape Use

While meager might be in its name, this pygmydaisy offers several appealing qualities for native plant enthusiasts:

  • Delicate, daisy-like flowers that complement larger native plants
  • Low-growing habit perfect for filling gaps in native plant gardens
  • Annual lifecycle that allows for natural reseeding and changing garden dynamics
  • Authentic California native that supports local wildlife

This plant works beautifully in native plant gardens, naturalized areas, and drought-tolerant landscapes. Its small stature makes it ideal as a groundcover or filler plant among larger native shrubs and perennials.

Important Conservation Considerations

Before you rush to add meager pygmydaisy to your garden, there’s something important to know: this plant has a conservation status that suggests it may be relatively uncommon in the wild. If you’re interested in growing this species, it’s crucial to source plants or seeds only from reputable native plant nurseries that propagate their stock responsibly, rather than collecting from wild populations.

Growing Conditions and Care

As a California native annual, meager pygmydaisy likely thrives in conditions similar to other state natives:

  • Climate: Best suited for USDA zones 8-10, matching California’s range
  • Soil: Well-draining soils, as most California natives prefer good drainage
  • Water: Likely drought-tolerant once established, following typical California native patterns
  • Sun: Probably prefers full sun to partial shade

Planting and Care Tips

Since this is an annual species, you’ll need to replant each year or allow it to self-seed naturally. Here are some general guidelines for success:

  • Plant seeds in fall for spring germination, following California’s natural rainfall patterns
  • Ensure good drainage to prevent root rot
  • Water gently during establishment, then reduce as plants mature
  • Allow some plants to go to seed for natural reproduction

Wildlife and Pollinator Benefits

As a member of the sunflower family, meager pygmydaisy likely provides nectar and pollen for small native bees, beneficial insects, and other pollinators. Its seeds may also serve as food for small birds and other wildlife, contributing to the complex web of relationships in native California ecosystems.

Should You Grow Meager Pygmydaisy?

If you’re passionate about California native plants and want to grow something truly special and uncommon, meager pygmydaisy could be a wonderful addition to your garden. However, remember to:

  • Source plants or seeds only from reputable native plant nurseries
  • Never collect from wild populations
  • Consider it a specialty plant for dedicated native plant gardens
  • Appreciate its subtle beauty and ecological contributions

While it may not provide the showy display of some garden favorites, meager pygmydaisy offers the satisfaction of growing an authentic piece of California’s botanical heritage while supporting local wildlife and ecosystems.

Meager Pygmydaisy

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

Pentachaeta Nutt. - pygmydaisy

Species

Pentachaeta exilis (A. Gray) A. Gray - meager pygmydaisy

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