North America Native Plant

Longbeard Mariposa Lily

Botanical name: Calochortus longebarbatus var. longebarbatus

USDA symbol: CALOL

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Longbeard Mariposa Lily: A Pacific Northwest Native Gem for Your Garden If you’re looking to add a touch of wild elegance to your garden, the longbeard mariposa lily (Calochortus longebarbatus var. longebarbatus) might just be the perfect choice. This enchanting native perennial brings a unique charm that’s hard to find ...

Rare plant alert!

Region: Conservation status by state

Status: S4T3: 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. ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Longbeard Mariposa Lily: A Pacific Northwest Native Gem for Your Garden

If you’re looking to add a touch of wild elegance to your garden, the longbeard mariposa lily (Calochortus longebarbatus var. longebarbatus) might just be the perfect choice. This enchanting native perennial brings a unique charm that’s hard to find in typical garden centers, making it a true treasure for gardeners who appreciate the extraordinary.

What Makes the Longbeard Mariposa Lily Special?

The longbeard mariposa lily earns its whimsical name from the distinctive long, silky hairs that adorn its petals, giving each bloom a delightfully fuzzy appearance. These cup-shaped flowers typically display beautiful white to pale pink petals with striking purple markings, creating a captivating contrast that catches the eye from across the garden.

As a herbaceous perennial forb, this plant lacks woody stems but returns year after year from underground bulbs, making it a reliable addition to the right garden setting.

Where Does It Come From?

This lovely native species calls the Pacific Northwest and northern California home, naturally occurring in California, Oregon, and Washington. It’s perfectly adapted to the region’s Mediterranean-like climate with wet winters and dry summers.

Is This Plant Right for Your Garden?

The longbeard mariposa lily is ideal for gardeners who:

  • Want to support native ecosystems and local wildlife
  • Enjoy unique, conversation-starting plants
  • Have well-draining soil and can provide summer-dry conditions
  • Appreciate plants that attract native pollinators like bees
  • Are looking for additions to rock gardens or naturalistic landscapes

Important Conservation Considerations

Before you rush to plant this beauty, there’s something important to know: the longbeard mariposa lily has a conservation status that requires our attention. If you choose to grow this species, please ensure you source bulbs only from reputable nurseries that propagate plants ethically rather than collecting from wild populations.

Perfect Garden Settings

This charming bulb shines in:

  • Rock gardens where its delicate flowers can be appreciated up close
  • Native plant gardens celebrating regional flora
  • Mediterranean-style landscapes with similar growing conditions
  • Naturalistic settings that mimic its wild habitat

Growing Conditions and Care

Success with longbeard mariposa lily depends on mimicking its natural habitat:

Climate: Thrives in USDA hardiness zones 7-9, where it can experience the cool, wet winters and warm, dry summers it craves.

Soil: Well-draining soil is absolutely essential. These bulbs will rot in heavy, waterlogged conditions. Sandy or rocky soils work best.

Water: Water during the growing season (fall through spring), but allow the soil to dry out completely during summer dormancy.

Sun: Prefers full sun to partial shade, especially morning sun.

Planting and Care Tips

Plant bulbs in fall, about 3-4 inches deep in well-prepared, draining soil. Once established, these plants are quite low-maintenance, but remember that they need their summer beauty sleep – don’t disturb or water them during their dormant period.

The key to success is patience and respect for their natural cycle. Let them emerge naturally in fall, enjoy their spring blooms, and then leave them alone during summer.

Wildlife and Pollinator Benefits

Native bees and other pollinators are drawn to the longbeard mariposa lily’s flowers, making it a valuable addition to pollinator-friendly gardens. By choosing native plants like this one, you’re supporting local ecosystems and helping maintain biodiversity in your area.

The Bottom Line

The longbeard mariposa lily is a rewarding choice for gardeners who can provide the right conditions and appreciate its unique beauty. While it requires specific growing conditions and responsible sourcing, the payoff is a stunning native plant that connects your garden to the natural heritage of the Pacific Northwest. Just remember to source your bulbs ethically and enjoy watching this special plant bring a piece of wild beauty to your garden.

Longbeard Mariposa Lily

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

Calochortus Pursh - mariposa lily

Species

Calochortus longebarbatus S. Watson - longbeard mariposa lily

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