Photo by Melody

PlantFiles: Howell's Mariposa
Calochortus howellii

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Family: Liliaceae (lil-ee-AY-see-ee) (Info)
Genus: Calochortus (kal-uh-KOR-tus) (Info)
Species: howellii (HOW-el-ee-eye) (Info)

Category:
Alpines and Rock Gardens
Bulbs
Perennials

Height:
12-18 in. (30-45 cm)

Spacing:
3-6 in. (7-15 cm)
6-9 in. (15-22 cm)

Hardiness:
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
N/A

Bloom Color:
Chartreuse (Yellow-Green)
Purple
White/Near White
Cream/Tan

Bloom Time:
Mid Spring
Late Spring/Early Summer

Foliage:
Deciduous

Other details:
Average Water Needs; Water regularly; do not overwater
This plant may be considered a protected species; check before digging or gathering seeds
Suitable for growing in containers

Soil pH requirements:
4.6 to 5.0 (highly acidic)
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored

Click thumbnail
to view:

By Lophophora
Thumbnail #1 of Calochortus howellii by Lophophora

By Venustus
Thumbnail #2 of Calochortus howellii by Venustus

No details have been posted.



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