North America Native Plant

Butte County Fritillary

Botanical name: Fritillaria eastwoodiae

USDA symbol: FREA

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Fritillaria phaeanthera Eastw. (FRPH)   

Butte County Fritillary: A Rare California Native Gem for Your Garden If you’re passionate about California native plants and love the idea of growing something truly special, the Butte County fritillary might just be the perfect addition to your garden. This charming little bulbous perennial, known botanically as Fritillaria eastwoodiae, ...

Rare plant alert!

Region: Conservation status by state

Status: S3Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ 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 ⚘

Butte County Fritillary: A Rare California Native Gem for Your Garden

If you’re passionate about California native plants and love the idea of growing something truly special, the Butte County fritillary might just be the perfect addition to your garden. This charming little bulbous perennial, known botanically as Fritillaria eastwoodiae, is one of California’s more elusive wildflower treasures.

What Makes Butte County Fritillary Special

The Butte County fritillary is a herbaceous perennial that belongs to the lily family. As a forb, it lacks woody tissue and dies back to its underground bulb each year, only to emerge again the following spring with renewed vigor. This native California species has also been known by the synonym Fritillaria phaeanthera, though the current accepted name honors the botanist Alice Eastwood.

Where You’ll Find It Growing Wild

This fritillary is endemic to California, meaning it grows nowhere else in the world naturally. You’ll find it in the foothill regions of Northern California, where it has adapted to the state’s unique Mediterranean climate patterns.

A Word About Rarity

Here’s something important to know: the Butte County fritillary has conservation concerns. While specific population data isn’t completely clear, this plant appears to have limited distribution and may be uncommon in the wild. If you’re considering adding this beauty to your garden, please make sure you source your bulbs from reputable native plant nurseries that propagate their stock rather than collect from wild populations.

Why Grow Butte County Fritillary?

There are several compelling reasons to include this native gem in your landscape:

  • Supports local ecosystems by providing nectar for native pollinators during spring bloom
  • Adds authentic California character to native plant gardens
  • Requires minimal water once established, perfect for drought-tolerant landscapes
  • Provides unique seasonal interest with its distinctive nodding, bell-shaped flowers
  • Helps preserve California’s botanical heritage

Perfect Garden Settings

The Butte County fritillary shines in several garden styles:

  • Native California wildflower meadows
  • Rock gardens with excellent drainage
  • Woodland edge plantings
  • Specialty bulb collections
  • Naturalistic landscapes that mimic foothill habitats

Growing Conditions and Care

Success with Butte County fritillary comes from understanding its natural habitat preferences:

Climate: This plant thrives in USDA hardiness zones 8-10, where it can experience the Mediterranean climate it evolved with.

Soil: Well-draining soil is absolutely critical. These bulbs will rot in soggy conditions, so ensure excellent drainage or plant in raised beds or slopes.

Light: Partial shade to full sun works well, though some afternoon shade in hotter areas can be beneficial.

Water: Water during the growing season (fall through spring), but allow the soil to dry out during summer dormancy. This mimics the natural rainfall patterns of California.

Planting and Care Tips

Getting your Butte County fritillary established successfully requires timing and attention to detail:

  • Plant bulbs in fall when temperatures begin to cool
  • Place bulbs 3-4 inches deep in well-amended, fast-draining soil
  • Allow plants to go completely dormant in summer – resist the urge to water during this period
  • Mark planting locations since the plants disappear completely during dormancy
  • Be patient – fritillaries can be slow to establish and may not bloom the first year

Supporting Pollinators

When your Butte County fritillary blooms in spring, it becomes a valuable nectar source for native bees and other pollinators. The timing of its bloom coincides with the activity period of many California native insects, making it an important component of a pollinator-friendly garden.

The Bottom Line

The Butte County fritillary offers gardeners a chance to grow a truly special California native plant. While it requires some patience and specific growing conditions, the reward of successfully cultivating this rare beauty makes it worthwhile for dedicated native plant enthusiasts. Just remember to source your plants responsibly and give them the well-drained, summer-dry conditions they need to thrive.

By choosing to grow this remarkable native, you’re not just adding beauty to your garden – you’re participating in the conservation of California’s unique botanical heritage.

Butte County Fritillary

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Liliidae

Order

Liliales

Family

Liliaceae Juss. - Lily family

Genus

Fritillaria L. - fritillary

Species

Fritillaria eastwoodiae Macfarlane - Butte County fritillary

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