Euphorbia, Crown of Thorns, Christ Plant, Siamese Lucky Plant
Euphorbiamilii 'Helena'

Category
Shrubs
Cactus and Succulents

Water Requirements
Drought-tolerant; suitable for xeriscaping

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage
Evergreen
Smooth

Foliage Color

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

Spacing
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)

Hardiness
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
Can be grown as an annual

Danger
All parts of plant are poisonous if ingested
Plant has spines or sharp edges; use extreme caution when handling

Bloom Color
Pale Yellow

Bloom Characteristics

Bloom Size

Bloom Time
Blooms all year

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

Propagation Methods

Seed Collecting