Scotch broom (Cytisus scoparius) SIT-ih-sus sko-PAR-ee-us Genus:  Cytisus Scotch broom is an upright, deciduous shrub with slender, arching shoots. In late spring, it produces abundant yellow flowers in axillary clusters. Noteworthy Characteristics:  Initially planted as an ornamental, this Western Europe native is considered invasive in the Northwest U.S. Care:  Grow in moderately fertile, well-drained soil. Thrives in poor, acidic soils. Propagation:  Root ripewood cutings in mid-summer or semi-ripe cuttings in late summer. Problems:  Gray mold (Botrytis), dieback, root rot, and spider mites.

Overview

Height 3 ft. to 6 ft. Spread 3 ft. to 6 ft. Growth Pace Invasive/Aggressive Grower Light Full Sun Only Moisture Dry to Medium Characteristics Showy Flowers Bloom Time Late Spring, Spring Flower Color Yellow Uses Beds and Borders, Container, Roadside Style Rock Garden Seasonal Interest Spring Interest Type Shrubs