Scientific Name: Euphorbia esula
Common Name: green spurge, leafy spurge
Family Name: Euphorbiaceae
Origin: Europe
Hardiness Zone: Zone 3: (-40 to -34 °C)
Plant Type: Herbaceous perennial, Invasive plant
Mature Size: 0.7 - 1.3m x 0.3 - 0.6m (height x width)
Habit: Dense, Upright
Form: Oval - horizontal, Vase
Texture: Medium - fine
Landscape Uses: Mixed shrub border, Rock garden, Woodland margin
Exposure: Full sun, Part sun/part shade
Soil or Media: Humus rich, Well-drained
Leaves: Simple, Alternate, Soft flexible, Glabrous, Linear, Oblong, Undulate (wavy)
Flowers: Cyathium, Yellow, Green-yellow, Apr-May-Jun
Fruit: Schizocarp, Brown
Key ID Features:
Leaves alternate, broadly linear to narrowly oblong, 3-9cm long x 3-8mm wide, with a slightly wavy margin; umbels with a basal pair of bright yellow-green petal-like bracts (appear in late spring, while the actual flowers do not develop until early summer); capsules 3 lobed, exploding when mature to release seeds several meters.