North America Native Plant

Meager Pygmydaisy

Botanical name: Pentachaeta exilis aeolica

USDA symbol: PEEXA

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Meager Pygmydaisy: A Rare California Treasure for the Dedicated Native Gardener Meet the meager pygmydaisy (Pentachaeta exilis aeolica), a tiny native wildflower that proves good things really do come in small packages. This diminutive annual forb may not win any size contests, but it holds a special place in California’s ...

Rare plant alert!

Region: Conservation status by state

Status: S5T1: Status is uncertain but is somewhere between the following rankings: 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) ⚘ 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 Rare California Treasure for the Dedicated Native Gardener

Meet the meager pygmydaisy (Pentachaeta exilis aeolica), a tiny native wildflower that proves good things really do come in small packages. This diminutive annual forb may not win any size contests, but it holds a special place in California’s native plant community—and potentially in your garden, if you’re up for a conservation challenge.

Where Does Meager Pygmydaisy Call Home?

This little charmer is a true California native, found exclusively within the Golden State. As its name suggests, the meager pygmydaisy is indeed quite modest in stature, belonging to a group of herbaceous plants that complete their entire life cycle in just one growing season.

A Plant That Needs Our Help

Here’s where things get serious: the meager pygmydaisy carries a Global Conservation Status of S5T1, indicating it’s a plant of conservation concern. This isn’t your run-of-the-mill garden center find—it’s a rare native that deserves our respect and protection.

Important Conservation Note: If you’re considering growing this species, please ensure any plant material comes from responsible, ethical sources. Never collect from wild populations, and consider supporting conservation efforts for this rare native instead.

Why Consider Meager Pygmydaisy for Your Garden?

Despite its challenging conservation status, there are compelling reasons why dedicated native plant gardeners might want to learn about this species:

  • True California native: Supports local ecosystem integrity
  • Annual lifecycle: Provides seasonal interest and natural garden cycles
  • Forb characteristics: Offers textural diversity as a non-woody herbaceous plant
  • Conservation value: Contributes to preserving California’s botanical heritage

Garden Role and Design Applications

As a small annual forb, meager pygmydaisy would likely work best in specialized native plant gardens, restoration projects, or conservation-focused landscapes. Its modest size makes it suitable for:

  • Native wildflower meadows
  • Specialized conservation gardens
  • Educational botanical displays
  • Restoration plantings (with proper permits and sourcing)

Growing Considerations

Given its rarity and specific California origins, meager pygmydaisy likely requires very particular growing conditions that mirror its native habitat. As an annual, it would complete its growth cycle within one season, requiring replanting or natural reseeding.

Unfortunately, specific cultivation information for this rare subspecies is limited, which underscores why it’s better left to conservation professionals and specialized botanical gardens rather than home gardeners.

The Bottom Line

While the meager pygmydaisy is undoubtedly a fascinating piece of California’s native plant puzzle, its conservation status means most gardeners should admire it from afar. Instead of trying to grow this rare beauty, consider supporting its conservation through:

  • Donating to native plant conservation organizations
  • Volunteering with habitat restoration groups
  • Growing other California natives that are more readily available
  • Visiting botanical gardens where rare species are professionally maintained

Sometimes the best way to love a plant is to let the experts care for it while we do our part to protect its wild habitats. The meager pygmydaisy may be small, but its conservation story is mighty important.

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