Mrs. Robb's bonnet (Euphorbia amygdaloides var. robbiae) yew-FOR-bee-ah ah-mig-dah-LOY-deez variety ROB-ee-ay Synonyms:  E. robbiae Genus:  Euphorbia This variety has dark, glossy evergreen leaves arranged in tight rosettes, and it produces yellow-green bracts in mid-spring and early summer. Noteworthy Characteristics:  This plant spreads rapidly (it may be invasive), and it is difficult to remove. Milky sap may cause irritation to skin and severe discomfort if ingested. Care:  It can take a wide range of conditions: moist or dry soil in full sun to shade.  Propagation:  Sow seed when ripe or in spring. Divide plants in early spring. Problems:  Nematodes, spider mites, aphids, mealybugs, fungal and bacterial diseases.

Overview

Height 1 ft. to 3 ft. Spread 3 ft. to 6 ft. Growth Habit Runs Growth Pace Fast Grower, Invasive/Aggressive Grower Light Full Sun to Part Shade Moisture Dry Maintenance Moderate Characteristics Showy Flowers, Showy Foliage Bloom Time Early Summer, Late Spring, Spring, Summer Flower Color Green, Yellow Foliage Color Evergreen Uses Ground Covers, Naturalizing Style Woodland Garden Seasonal Interest Spring Interest Tolerance Deer Tolerant Type Perennials