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Plant Profile: Wallich Spurge (Euphorbia wallichii)

Euphorbia wallichii 2Wallich spurge is a clump forming herbaceous perennial native the Himalayas. It is a member of the spurge family, Euphorbiaceae, that also includes poinsettia, caster-oil plant, and cassava. The lanceolate leaves dark green with a white midrib before turning yellow or orange in the fall. The flower-like structure appears terminal clusters in early spring and lasts for months. It is four to six inches across, lacks sepals or petals, and consists of three yellow bracts surrounding a cyanthium that is formed by the fusion of a single stamen (male) and a long stalked ovary (female). The stems are coral red and contain a milky sap that may be irritating to the skin and eyes.

Type: Herbaceous perennial

Bloom: Clusters of flower like structures composed of three yellow bracts in spring for a long bloom time

Size: 24-30” H x 18” W

Light: Sun to part shade (especially in the South)

Soil: Average, moist, well-drained

Hardiness: Zones 6-9

Care: Cut back flowering shoots to ground level in late summer or autumn.

Pests and Diseases: None of significance

Propagation: Basal cuttings, division, seed with 4 to 6 week cold period

Companion plants: Salvia sylvestris, Salvia nemorosa, purple leafed Heuchera, Frikart’s aster, Crocosmia ‘Jennine’