Cytisus scoparius – Common Broom (central Europe)
(= Sarothamnus scoparius)
Habit: Upright normal shrub, (0.5) 1-2 (5) m tall, 1-2 m wide; with many, usually leafless, switch-like green twigs; moderate growth.
Flowers: Yellow butterfly flowers, beginning to end of June; pungent smell.
Leaves: In threes or alone, lanceolate, already falling in summer.
Roots: Deep, collect nitrogen.
Demands: Only full sun, needs warmth, sensitive to frost, regenerating willingly and strongly after damage; not wind resistant.
Soil: Well drained substrates, acidic to slightly acidic, not too nutritious, moderately dry to fresh.
Note: Cut back to 30-40 cm often to further shooting and thus also flower production.
Hardiness: Zone 6b