Genista sagittalis (central Europe)
(= Genistella sagittalis)
Habit: A semi-shrub or dwarf shrub that forms carpets, 0.1-0.2 m tall, somewhat prostrate, evergreen shoots with two lengthways strips and a few lanceolate, weak leaflets; basic shoots creeping and lignifying.
Flowers: Golden yellow in numerous racemes, May or June.
Roots: Shallow to moderately deep, creeping runners, collect nitrogen.
Demands: Full sun, needs warmth, prefers mild areas but is frost hardy.
Soil: On acidic or neutral, well drained, humic and mineral soil, moderately dry to fresh; not too nutritious.
Hardiness: Zone 6b