#ssp.

[jarmansgarden]

Artemisia tridentata ssp. vaseyana by Lomatium on Flickr.

Artemisia 菊科蒿属

[growthasinhorticulture-blog]

Scientific Name – Euphorbia amygdaloides ssp. robbiae

Common Name – Mrs. Robb's bonnet

Family – Euphorbiaceae

Plant Type – Evergreen perennial

Habit – Spreading

Hardiness Zone – USDA Zone 6

Mature Size – Height - 0.4-0.7m - Spread - 0.6-1.0m

Fall/Winter Colour – Green

Leaf – Simple, succulent, oblanceolate, obtuse, attenuate, entire

Leaf Arrangement - Alternate

Blooming Time/Fruiting Time – April to May

Flowers – Showy, green-yellow

Inflorescences – Floriferous, cyathium

Water Use – High

Soil – Humus rich

Exposure – Full sun if moist, Part sun to deep shade

Landscape Uses – Containers, shrub/mass planting, spring interest

Limitations/Other Features – Europe origin