North America Native Plant

Clubhair Mariposa Lily

Botanical name: Calochortus clavatus var. clavatus

USDA symbol: CACLC2

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Clubhair Mariposa Lily: A Golden Gem for California Native Gardens If you’re looking to add a touch of California’s wild beauty to your garden, the clubhair mariposa lily might just be the perfect choice. This charming perennial bulb brings sunshine-yellow blooms and authentic native character to landscapes throughout the Golden ...

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 ⚘

Clubhair Mariposa Lily: A Golden Gem for California Native Gardens

If you’re looking to add a touch of California’s wild beauty to your garden, the clubhair mariposa lily might just be the perfect choice. This charming perennial bulb brings sunshine-yellow blooms and authentic native character to landscapes throughout the Golden State. But before you rush to plant one, there are some important things to know about this special wildflower.

What Makes the Clubhair Mariposa Lily Special

The clubhair mariposa lily (Calochortus clavatus var. clavatus) is a true California native, belonging to the diverse and beautiful mariposa lily family. As a perennial forb, it grows from an underground bulb and produces stunning three-petaled flowers that seem to glow with golden light. What sets this variety apart are the distinctive club-shaped hairs that decorate its petals – hence the clubhair in its common name.

This isn’t your average garden flower. The clubhair mariposa lily is endemic to California, meaning you won’t find it growing wild anywhere else in the world. It calls the southern Sierra Nevada and adjacent foothills home, thriving in the state’s unique Mediterranean climate.

A Word of Caution: Rarity Matters

Before you fall head-over-heels for this beauty, there’s something important to consider. The clubhair mariposa lily has a conservation status of S4T3, which indicates some level of conservation concern. While not critically endangered, this plant deserves our respect and careful consideration.

If you decide to grow this native gem, please source your bulbs responsibly. Look for nurseries that propagate their own stock rather than collecting from wild populations. This way, you can enjoy this California treasure while helping protect wild populations for future generations.

Why Choose Clubhair Mariposa Lily for Your Garden

Despite the need for careful sourcing, there are compelling reasons to include this native in your landscape:

  • Authentic California character: Nothing says California native garden quite like a mariposa lily
  • Stunning spring display: Golden blooms appear in late spring to early summer
  • Pollinator magnet: Native bees and butterflies love these flowers
  • Water-wise: Perfect for Mediterranean and drought-tolerant landscapes
  • Low maintenance: Once established, requires minimal care

Perfect Garden Partners

The clubhair mariposa lily shines in native California gardens, Mediterranean-style landscapes, and rock gardens. It pairs beautifully with other California natives like ceanothus, manzanita, and native bunch grasses. Consider it for naturalistic plantings where you want to recreate a bit of California’s wild beauty.

This isn’t a plant for formal flower beds or high-water landscapes. It’s best suited for gardeners who appreciate subtle beauty and want to support native ecosystems.

Growing Conditions and Care

Like many California natives, the clubhair mariposa lily has specific needs that mirror its natural habitat:

  • Climate: Thrives in USDA hardiness zones 7-10
  • Sunlight: Full sun to partial shade
  • Soil: Well-draining soil is absolutely essential
  • Water: Dry summers are crucial – avoid summer irrigation
  • Dormancy: Requires a dry dormancy period after blooming

Planting and Care Tips

Success with clubhair mariposa lily comes down to mimicking its natural growing conditions:

Planting: Plant bulbs in fall, about 3-4 inches deep in well-draining soil. If your soil doesn’t drain well, consider raised beds or amending with coarse sand and gravel.

Watering: Water during the growing season (fall through spring), but stop watering once the foliage begins to die back. Summer water can actually harm or kill these plants.

Maintenance: Allow foliage to die back naturally – this feeds the bulb for next year’s growth. Mark the location so you don’t accidentally disturb dormant bulbs during summer garden activities.

Supporting Native Ecosystems

By growing clubhair mariposa lily, you’re doing more than just adding beauty to your garden. You’re providing nectar and pollen for native pollinators, supporting the complex web of relationships that make California’s ecosystems so special. Native bees and butterflies have co-evolved with these plants and depend on them for survival.

Is This Plant Right for You?

The clubhair mariposa lily is perfect for gardeners who love native plants, appreciate subtle beauty, and want to create habitat for local wildlife. However, it’s not the right choice if you prefer flashy, long-blooming flowers or have heavy, poorly-draining soil.

Remember, this is a plant with conservation concerns, so responsible sourcing is essential. If you can find ethically propagated bulbs and provide the right growing conditions, you’ll be rewarded with a truly special piece of California’s natural heritage blooming in your own backyard.

The clubhair mariposa lily reminds us that some of the most beautiful things in nature are also the most precious. By growing and protecting plants like this one, we become stewards of California’s incredible botanical legacy.

Clubhair 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 clavatus S. Watson - clubhair 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