Euphorbia helioscopia – Sun Spurge, Madwoman’s Milk
- Mar 22
- 2 min read
Explore Euphorbia helioscopia (Sun Spurge) – its characteristics, habitat, cultivation, propagation, and functional uses and benefits.
Euphorbia helioscopia | Botanical Characteristics
Common Names: Sun Spurge, Madwoman’s Milk
Family: Euphorbiaceae
Appearance: An annual herb with erect, smooth stems and obovate green leaves arranged alternately along the stem. Produces characteristic yellow-green cup-like inflorescences (cyathia) forming an umbel-like structure. Exudes a white milky latex when damaged.
Type: Annual
Evergreen / Deciduous: N/A
Layer: Herbaceous layer
Root System: Shallow taproot with fine lateral roots
Height: 0.1–0.4 m
Width: 0.1–0.3 m
Lifespan: Annual
Growth Rate: Fast
Fertility: Self-fertile
Flowers: Hermaphroditic
Pollinator: Insects
Toxicity: All parts contain toxic milky latex that can cause skin irritation and is poisonous if ingested
Euphorbia helioscopia | Habitat and Cultivation
Range
Native Range: Europe, North Africa, and western Asia
Companionship: Often appears as a ruderal species in disturbed soils; may compete with crops and low-growing plants
Invasive Range: Naturalized globally; considered a weed in many agricultural systems
USDA Hardiness Zone: 4–9
Minimum Chill Hours Required: None
Resistance/Tolerance
Poor Soil: High tolerance
Drought: Moderate tolerance
Shade: Low tolerance – prefers full sun
Flood: Low tolerance
Wind: Moderate tolerance
Maritime: Moderate tolerance
Air Pollution: High tolerance
Fire: Low tolerance
Thriving Conditions
Sun Exposure: Full sun
Soil Moisture: Low to moderate; prefers well-drained soils
Soil Type: Adaptable; sandy, loamy, or disturbed soils
Soil pH: Slightly acidic to alkaline
Propagation
Seeds: Primary method; prolific self-seeder
Cuttings: Not applicable
Euphorbia helioscopia | Functional Uses and Benefits
Permalogica cannot take any responsibility for any adverse reactions or health effects from using plants. Always consult a professional before using plants for medicinal purposes.
Edible: No
Medicinal: Traditionally used in folk medicine; toxic and requires caution
Cosmetics: No
Animal Feed: Not suitable
Fiber: No
Timber: Not applicable
Firewood: Not applicable
Wind Break: No
Fence: No
Cover Crop: No
Mulch: No
Nitrogen Fixer: No
Dynamic Accumulator: No confirmed data
Pollinator Attractor: Moderate – attracts small insects
Pest Repellent: No
Wildlife Supporter: Limited; toxicity reduces grazing pressure
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