North America Native Plant

Sierra Mariposa Lily

Botanical name: Calochortus minimus

USDA symbol: CAMI

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Sierra Mariposa Lily: A Delicate Mountain Treasure for Your Garden Meet the Sierra mariposa lily (Calochortus minimus), a charming little wildflower that proves good things really do come in small packages. This petite perennial is one of California’s most enchanting native bulbs, bringing a touch of mountain meadow magic to ...

Sierra Mariposa Lily: A Delicate Mountain Treasure for Your Garden

Meet the Sierra mariposa lily (Calochortus minimus), a charming little wildflower that proves good things really do come in small packages. This petite perennial is one of California’s most enchanting native bulbs, bringing a touch of mountain meadow magic to the right garden setting.

Where Does This Little Beauty Call Home?

The Sierra mariposa lily is a true California native, specifically calling the Sierra Nevada mountains home. You’ll find this delicate flower naturally growing in high-elevation meadows and rocky slopes, where it has adapted to the region’s unique climate patterns of wet winters and dry summers.

What Makes It Special?

Don’t let its size fool you – this little lily packs a visual punch! The Sierra mariposa lily produces small, cup-shaped flowers that range from pristine white to soft pale pink, often adorned with delicate markings that seem almost hand-painted. Each stem typically bears 1-3 flowers, creating intimate clusters that are perfect for close-up garden viewing.

As a perennial forb, this plant lacks woody stems but returns year after year from its underground bulb. It’s what botanists call facultative regarding wetland conditions, meaning it’s adaptable enough to thrive in both moist and drier locations – though it definitely leans toward the drier side during its summer dormancy.

Is This the Right Plant for Your Garden?

The Sierra mariposa lily isn’t your typical plant it and forget it garden flower. This specialized beauty is perfect for gardeners who love a challenge and appreciate unique, lesser-known natives. Here’s who should consider adding it to their landscape:

  • Rock garden enthusiasts looking for delicate, naturalized additions
  • Alpine garden specialists who understand seasonal dormancy cycles
  • Native plant collectors seeking authentic California species
  • Gardeners in USDA hardiness zones 4-8 with well-draining soil

Growing Your Sierra Mariposa Lily Successfully

Think of this plant as California’s answer to Mediterranean bulbs – it wants a feast-or-famine lifestyle that mimics its mountain home.

Perfect Growing Conditions:

  • Well-draining, sandy or rocky soil (heavy clay is a no-go)
  • Full sun to partial shade
  • Natural rainfall or irrigation in winter and spring
  • Bone-dry conditions during summer dormancy

Planting and Care Tips:

  • Plant bulbs in fall, just like you would tulips or daffodils
  • Allow the plant to go completely dormant in summer – resist the urge to water!
  • Provide minimal supplemental watering during the growing season
  • Consider container growing if your garden doesn’t naturally drain well

Wildlife and Pollinator Benefits

While small in stature, the Sierra mariposa lily is a valuable addition to pollinator-friendly gardens. Its flowers attract native bees and small butterflies, contributing to the biodiversity that makes California’s ecosystems so special.

The Bottom Line

The Sierra mariposa lily isn’t for every gardener or every garden, but for those who can provide the right conditions, it’s a truly special addition. This native gem rewards patient gardeners with delicate beauty that connects your landscape to California’s wild mountain heritage. Just remember – respect its summer sleep schedule, and it’ll reward you with years of springtime charm!

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Arid West

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Western Mountains, Valleys, and Coast

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Sierra 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 minimus Ownbey - Sierra 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