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botanical name:
Euphorbia lathyris
Euphorbia lathyris © Deeproot Plant Base
common name:  Caper Spurge, Mole Plant
family:  Euphorbiaceae
characteristics: annual/biennial, evergreen
height: 1.00m
width: 0.30m
growth rate: fast
growth habit: erect
leaf colour: blue-green
flower colour: light green
fruit colour: light green
stem/bark: green
main season: Spring
poison symbol poisonous or irritant
medicinal symbol medicinal
aspect: full sun, part shade
conditions: dry soil, moist soil, clay soil, sandy soil
preferred soil pH: neutral-alkaline
minimum temp: -20°C
USDA zone: 6 to 9
Biennial with tall erect stems and opposite, regularly arranged large leaves. Yellowish green flowers in its second year, followed by large caper-like seeds.

Prefers light, well drained, neutral to alkaline soil and a sunny position, but very adaptable and grows almost anywhere.

By seed, self seeds very freely

The roots are reputed to deter moles.

Sometimes planted as an ornamental, but also a fairly common garden weed.

An oil can be extracted from the seed, which has been used medicinally and for other purposes.

other notes:
Europen native, possibly native to southern Britain but more likely a garden escape.

All parts are toxic and the milky sap is a skin irritant.
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