Euphorbia characias
ssp. wulfenii
Mediterranean Spurge
Family |
Euphorbiaceae |
Genus |
Euphorbia |
Species |
characias |
Category |
Perennials |
Subspecies |
wulfenii |
Synonyms |
Euphorbia wulfenii |
USDA Hardiness Zone |
6 - 8 |
Canadian Hardiness Zone |
5a - 8a |
RHS Hardiness Zone |
H4 - H7 |
Temperature (°C) |
-23 - (-7) |
Temperature (°F) |
-10 - 20 |
Height |
1 - 1.5 m |
Spread |
1 - 1.5 m |
General Description |
Euphorbia characias subsp. wulfenii is an upright evergreen sub-shrub with narrow, grey-green leaves and heads of yellow-green flowers. |
Cultivation |
Grow in a sheltered location, in full sun to part shade and light, well-drained soil. In late summer or autumn prune flowering shoots to the ground. Gloves should be worn when handling this plant as the sap is toxic. |
ID Characteristic |
Sparsely-branched. |
Pests |
Susceptible to aphids. No serious diseases of note. |
Leaf Description |
Narrow, linear to obovate, up to 13 cm in length, grey-green, arranged spirally along stems. |
Flower Description |
No petals, bracts are yellow-green, glands purple, arranged in large, rounded clusters. |
Notable Specimens |
RHS Garden Rosemoor, North Devon, England. |
Propagation |
Propagate by division in early spring or take basal cuttings in spring or early summer. |
Ethnobotanical Uses (Disclaimer) |
The entire plant is highly toxic if ingested. Stems contain a highly poisonous, milky white sap that will irritate the skin. |