North America Native Plant

Starved Fleabane

Botanical name: Erigeron miser

USDA symbol: ERMI2

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Starved Fleabane: A Rare California Native Worth Protecting Meet starved fleabane (Erigeron miser), one of California’s most endangered wildflowers. This little-known native plant might not win any beauty contests, but it plays a crucial role in our state’s botanical heritage. If you’re passionate about conservation gardening and protecting rare species, ...

Rare plant alert!

Region: Conservation status by state

Status: S2: Status is uncertain but is somewhere between the following rankings: Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘

Starved Fleabane: A Rare California Native Worth Protecting

Meet starved fleabane (Erigeron miser), one of California’s most endangered wildflowers. This little-known native plant might not win any beauty contests, but it plays a crucial role in our state’s botanical heritage. If you’re passionate about conservation gardening and protecting rare species, this perennial herb deserves a spot on your radar.

What Makes Starved Fleabane Special?

Starved fleabane is a native Californian forb—essentially a non-woody flowering plant that dies back to ground level each winter and returns the following spring. Don’t let the unflattering common name fool you; this plant has adapted to some pretty tough conditions and has been quietly surviving in our state for centuries.

As a member of the sunflower family (Asteraceae), starved fleabane produces small, daisy-like flowers with white to pale pink petals surrounding bright yellow centers. The blooms typically appear in late spring to early summer, creating modest but charming displays that native pollinators absolutely love.

Where Does It Grow?

This rare gem is found exclusively in California, particularly in the San Francisco Bay Area and central coastal regions. Its limited range makes it extra special—and extra vulnerable.

A Plant in Need of Protection

Here’s where things get serious: starved fleabane has a Global Conservation Status of S2, meaning it’s considered Imperiled. With typically only 6 to 20 known occurrences and fewer than 3,000 individual plants remaining in the wild, this species is dangerously close to disappearing forever.

This rarity status means that if you’re interested in growing starved fleabane, you have a responsibility to source it ethically. Never collect plants or seeds from wild populations—this could push the species closer to extinction.

Should You Grow Starved Fleabane?

If you’re a dedicated native plant enthusiast with access to responsibly sourced plants, absolutely! Growing rare natives like starved fleabane serves several important purposes:

  • Helps preserve genetic diversity through cultivation
  • Creates awareness about California’s endangered flora
  • Provides habitat for specialized native pollinators
  • Contributes to conservation efforts

However, this isn’t a plant for casual gardeners. It requires specific conditions and careful attention, making it better suited for serious native plant collectors, botanical gardens, or conservation-focused landscapes.

Growing Conditions and Care

Starved fleabane thrives in USDA hardiness zones 9-10, which aligns perfectly with its natural California coastal habitat. Here’s what you need to know for successful cultivation:

Soil Requirements: Well-draining soil is absolutely critical. This plant won’t tolerate soggy conditions, so ensure excellent drainage or consider raised beds or rock gardens.

Light Needs: Full sun to partial shade works best, though it tends to flower more prolifically with adequate sunlight.

Water Requirements: Once established, starved fleabane prefers low to moderate water. Overwatering is more dangerous than underwatering for this drought-adapted native.

Planting and Care Tips

If you’re fortunate enough to obtain responsibly sourced starved fleabane plants, here are some essential care guidelines:

  • Plant in fall for best establishment before the growing season
  • Provide excellent drainage—amend heavy clay soils with gravel or sand
  • Water regularly the first year, then reduce to occasional deep watering
  • Protect from foot traffic and disturbance
  • Avoid fertilizing—native plants typically don’t need it
  • Allow natural dormancy in winter

Benefits to Wildlife

Despite its rarity, starved fleabane punches above its weight when it comes to supporting native wildlife. The flowers attract small native bees, butterflies, and other pollinators that have co-evolved with California’s native flora. By growing this plant, you’re providing crucial resources for insects that might otherwise struggle to find appropriate host plants.

The Bottom Line

Starved fleabane represents both the beauty and fragility of California’s native plant communities. While it may not be the showiest addition to your garden, growing this rare species—with properly sourced plants—makes you part of an important conservation effort.

If you can’t locate responsibly sourced starved fleabane, consider growing other native California fleabanes or asters that provide similar ecological benefits without the conservation concerns. Remember, every native plant we grow helps support our local ecosystems and preserves California’s natural heritage for future generations.

Starved Fleabane

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

Erigeron L. - fleabane

Species

Erigeron miser A. Gray - starved fleabane

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