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

Category
Tropicals and Tender Perennials

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Sun to Partial Shade

Foliage
Grown for foliage
Evergreen
Deciduous

Foliage Color

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)

Where to Grow
Suitable for growing in containers

Danger
Parts of plant are poisonous if ingested

Bloom Color
Red

Bloom Characteristics

Bloom Size

Bloom Time
Blooms all year
Blooms repeatedly

Other details

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