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botanical name:
Euphorbia stygiana
Euphorbia stygiana © Deeproot Plant Base
common name:  Spurge
family:  Euphorbiaceae
characteristics: perennial, evergreen
height: 1.50m
width: 1.50m
growth rate: medium
growth habit: rounded
leaf colour: dark green
flower colour: yellow
main season: Spring
poison symbol poisonous or irritant
aspect: full sun, part shade
conditions: dry soil, moist soil, sandy soil
preferred soil pH: alkaline
minimum temp: -4°C
USDA zone: 9 to 10
description:
Rounded, evergreen sub-shrub. Thick branching shoots carry oblong to narrowly lance-shaped, dark green leaves with a pale mid-rib. The foliage sometimes becomes red-tinted in winter. Open umbels of small pale yellow flowers in late spring.

cultivation:
Well drained soil in full sun or light shade. Needs a warm, sheltered location.

propagation:
From seed

other notes:
Native to the Azores, now very rare and close to extinction in the wild. Subject to conservation efferts by the Oxford Botanic Garden. Plants and seed are available from several sources.
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