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Bulb

Calochortus

Calochortus spp. (various species)

Mariposa LilyButterfly TulipFairy LanternGlobe TulipCat's EarsSego LilyStar Tulip

Calochortus, known as Mariposa Lily, is a genus of exquisite bulbous perennials native to western North America. The tulip-like flowers come in stunning colors with intricate markings, blooming in spring and early summer.

Plant Family

Liliaceae (Lily family)

Blooming

Spring to early summer (April-July depending on species and elevation)

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Calochortus Mariposa Lily with tulip-like flowers and intricate petal markings
Calochortus Mariposa Lily with tulip-like flowers and intricate petal markings

Symbolism & Meanings

Key Meanings

Beauty
Butterfly grace
Western heritage
Survival
Rarity
Delicate strength
Native wisdom

Perfect For

Native plant celebrationsWestern wildflower displaysRock garden showcasesConservation awareness

Color Meanings

White:Purity and survival (Sego Lily)
Yellow:Sunshine and hope
Purple:Rarity and nobility
Pink:Delicate beauty

Similar flowers: lily (true lily)s and roses also share similar meanings.

Cultural Significance

Calochortus holds deep significance in western North American history and culture. The Sego Lily (Calochortus nuttallii) is the state flower of Utah and saved Mormon pioneers from starvation in 1848-1849 when their crops failed. The name "Mariposa" means "butterfly" in Spanish, referring to the delicate, butterfly-wing-like petals. Many species are now rare due to habitat loss, making them symbols of conservation. The intricate petal markings and colors have inspired artists and wildflower enthusiasts for generations.
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Botanical Information

Physical Characteristics

Flower Size: Cup-shaped flowers 1-3 inches across (2.5-7.5 cm)
Plant Size: 6-24 inches tall (15-60 cm) depending on species
Flower Shape: Tulip-like cups (upright or nodding), globular lanterns, or star-shaped depending on species

Natural Habitat

Native to: Western United States (California, Oregon, Washington, Nevada, Utah, Idaho, Montana), Western Canada (British Columbia), Northwestern Mexico
Habitat: Grasslands, meadows, open woodlands, chaparral, mountain slopes in western North America
Climate: Mediterranean, Temperate, Mountain, Dry summer

Growing Guide

Sunlight

Full sun to light shade; most species prefer full sun

Water

Moderate moisture during spring growth; must be kept completely dry during summer dormancy

Soil

Well-drained, Sandy to loamy, Gravelly, Neutral to slightly alkaline pH, Dry in summer

Expert Growing Tips

1

Plant bulbs in fall, 3-4 inches deep

2

CRITICAL: Must remain completely dry during summer dormancy or bulbs will rot

3

Difficult to grow outside native range without perfect drainage

4

Best suited to Mediterranean climates with dry summers

5

In rainy summer climates, lift bulbs after flowering and store dry

6

Or grow in raised beds, rock gardens with excellent drainage

7

Many species are challenging even for experienced gardeners

8

Do not water after foliage dies back in late spring

9

Mulch not recommended as it retains moisture

10

Deer and rodent resistant

11

Some species (Sego Lily - C. nuttallii) have cultural significance to Native Americans

Uses & Benefits

Ornamental Uses

  • Rock gardens
  • Native plant gardens
  • Naturalistic meadow plantings
  • Bulb gardens
  • Containers (alpine species)
  • Dry summer gardens
  • Wildflower gardens

Traditional Uses

  • Bulbs of Sego Lily (Calochortus nuttallii) were important food source for Native American tribes
  • Bulbs eaten raw or cooked by Great Basin and Western tribes
  • Provided critical nutrition during famine (Mormon pioneers)
  • Bulbs have sweet, potato-like flavor
  • Some species were used medicinally by indigenous peoples
  • Modern foraging not recommended - most species are rare or protected

Disclaimer: Information provided is for educational purposes only. Consult healthcare professionals before using any plant medicinally.

Frequently Asked Questions about the Calochortus

why are calochortus hard to grow

Calochortus are challenging because they require completely dry conditions during summer dormancy — in areas with summer rain, bulbs rot unless lifted and stored dry or grown in perfect drainage.

can you eat calochortus bulbs

Historically, Native Americans ate Sego Lily (Calochortus nuttallii) bulbs which saved Mormon pioneers from starvation — however, modern foraging is not recommended as most species are rare or protected.

when do mariposa lilies bloom

Mariposa Lilies bloom in spring to early summer (April-July depending on species and elevation) — after blooming, foliage dies back and bulbs go dormant through dry summer.

are calochortus deer resistant

Yes, Calochortus are generally deer and rodent resistant — the bulbs and foliage are not palatable to browsing animals, making them good choices for native gardens with wildlife.

Available Colors

White
Yellow
Pink
Purple
Red
Orange
Lavender
Cream
Often with contrasting markings

Quick Facts

Type:bulb
Family:Liliaceae (Lily family)
Native to:Western United States (California, Oregon, Washington, Nevada, Utah, Idaho, Montana)
Blooms:Spring to early summer (April-July depending on species and elevation)

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