North America Native Plant

Elegant Mariposa Lily

Botanical name: Calochortus elegans var. oreophilus

USDA symbol: CAELO

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Elegant Mariposa Lily: A Hidden Gem for Native Plant Enthusiasts If you’re looking to add a touch of delicate beauty to your native plant garden, the elegant mariposa lily (Calochortus elegans var. oreophilus) might just be the perfect choice. This charming perennial bulb brings understated elegance and authentic Pacific Northwest ...

Rare plant alert!

Region: Conservation status by state

Status: S3S4T1T3Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ 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 ⚘ 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 ⚘

Elegant Mariposa Lily: A Hidden Gem for Native Plant Enthusiasts

If you’re looking to add a touch of delicate beauty to your native plant garden, the elegant mariposa lily (Calochortus elegans var. oreophilus) might just be the perfect choice. This charming perennial bulb brings understated elegance and authentic Pacific Northwest character to gardens lucky enough to host it.

What Makes the Elegant Mariposa Lily Special?

The elegant mariposa lily is a true native treasure, naturally occurring in the mountainous regions of California and Oregon. As a forb—basically a non-woody flowering plant—it emerges each spring from underground bulbs to produce slender stems topped with exquisite three-petaled flowers. These blooms are typically white to pale pink with distinctive purple markings that seem almost painted by hand.

This lovely native grows naturally in California and Oregon, where it has adapted to the region’s unique climate patterns of wet winters and dry summers.

Why You Might Want to Grow It

Here are some compelling reasons to consider adding elegant mariposa lily to your garden:

  • Authentic native beauty that supports local ecosystems
  • Attracts native pollinators like bees and butterflies
  • Perfect for rock gardens and naturalized areas
  • Drought-tolerant once established
  • Adds delicate texture and seasonal interest
  • Low maintenance once growing conditions are met

Important Conservation Note

Before you rush to plant this beauty, there’s something important to know: the elegant mariposa lily has a conservation status that suggests it may be somewhat rare in parts of its range. If you decide to grow this plant, please make sure to source bulbs only from reputable native plant nurseries that propagate their own stock rather than wild-collecting. This helps protect wild populations while still allowing gardeners to enjoy this special species.

Where and How to Grow Elegant Mariposa Lily

This mountain native is best suited for USDA hardiness zones 7-9 and thrives in conditions that mimic its natural habitat:

Ideal Growing Conditions

  • Well-draining soil (this is crucial!)
  • Partial shade to full sun exposure
  • Dry summer conditions during dormancy
  • Protection from excessive winter moisture

Perfect Garden Settings

The elegant mariposa lily shines in:

  • Rock gardens with excellent drainage
  • Native plant gardens
  • Xerophytic or drought-tolerant landscapes
  • Naturalized woodland edges
  • Specialized bulb gardens

Planting and Care Tips

Success with elegant mariposa lily comes down to understanding its natural rhythm:

  • Plant bulbs in fall when they’re naturally ready to start their growth cycle
  • Ensure excellent drainage—soggy soil is the fastest way to lose these bulbs
  • Allow for summer dormancy—don’t water during the dry season
  • Mark planting locations since the plants disappear completely during dormancy
  • Be patient—these bulbs may take time to establish and bloom reliably

Is This Plant Right for Your Garden?

The elegant mariposa lily isn’t for every gardener or every garden. It’s best suited for those who appreciate subtle beauty and are willing to provide the specific conditions it needs. If you have heavy clay soil, tend to overwater, or prefer plants that provide year-round structure, this might not be your best choice.

However, if you’re passionate about native plants, have well-draining soil, and enjoy the seasonal rhythms of bulb gardening, the elegant mariposa lily could become one of your most treasured plants. Just remember to source it responsibly and give it the dry summer rest it craves.

When grown successfully, this delicate native will reward you with flowers that capture the essence of the Pacific Northwest’s wild beauty—a true gift for any garden lucky enough to host it.

Elegant 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 elegans Pursh - elegant 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