Crown of Thorns, Christ Plant, Siamese Lucky Plant
Euphorbia milii 'Siam Cowgirl'

Family: Euphorbiaceae (yoo-for-bee-AY-see-ee) (Info)
Genus: Euphorbia (yoo-FOR-bee-uh) (Info)
Species: milii (MIL-ee-eye) (Info)
Cultivar: Siam Cowgirl

Category:

Tropicals and Tender Perennials

Height:

24-36 in. (60-90 cm)

Spacing:

18-24 in. (45-60 cm)

Hardiness:

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:

Sun to Partial Shade

Danger:

Parts of plant are poisonous if ingested

Bloom Color:

Red

Bloom Time:

Blooms all year

Blooms repeatedly

Foliage:

Grown for foliage

Evergreen

Deciduous

Other details:

Average Water Needs; Water regularly; do not overwater

This plant is suitable for growing indoors

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Patent Information:

Non-patented

Propagation Methods:

From softwood cuttings

Allow cut surface to callous over before planting

Seed Collecting:

Collect seedhead/pod when flowers fade; allow to dry

Allow seedheads to dry on plants; remove and collect seeds

Gardeners' Notes:

No details have been posted.