Madwoman's Milk

Euphorbia helioscopia

Native to:
Afghanistan, Albania, Algeria, Austria, Azores, Baleares, Baltic States, Bangladesh, Belarus, Belgium, Bulgaria, Canary Is., China, Corse, Cyprus, Czechia-Slovakia, East Aegean Is., Egypt, Finland, France, Germany, Greece, Gulf States, Hainan, Hungary, India, Iran, Iraq, Italy, Japan, Kazakhstan, Kirgizstan, Korea, Kriti, Krym, Lebanon-Syria, Libya, Madeira, Morocco, Nansei-shoto, Netherlands, North Caucasus, Norway, NW. Balkan Pen., Oman, Pakistan, Palestine, Poland, Portugal, Romania, Russia, Sardegna, Saudi Arabia, Sicilia, Sinai, Spain, Sweden, Switzerland, Tadzhikistan, Taiwan, Transcaucasus, Tunisia, Türkiye, Turkmenistan, Ukraine, Uzbekistan, Vietnam, Yemen

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Euphorbiaceae
Genus:
Euphorbia
Species:
Euphorbia helioscopia
USDA Symbol:
EUHE2

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb , Succulent
Height:
50 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
apr,may,jun,jul,aug,sep
Bloom Colors:
yellow, green

Keystone Species Ranking

Pollen Specialist Bee Keystone:
★★★★☆ Native pollen specialist bee species supported by this genus (NWF)

Garden & Ecology Notes

Deer Resistant:
Yes

Soil Requirements

Soil Type:
fertile, well-drained loamy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
thrives in disturbed soils and open areas

Propagation & Germination

Stratification:
None required
Germination Time:
14–30 days
Notes:
Seeds germinate readily without pretreatment; light may improve germination rates.

The above propagation data sourced from Claude AI