Common name: Spanish Broom.
Size and spread (10 years): 3m x 1.8m
Treatment required: Leguminous seed, requires either soaking in water or scarifying before sowing.
Seeds / kg: c. 62900 ; 88%viable
Ideal sowing period: Spring
Soil conditions: Poor, light or chalky soils especially suited to coastal areas.
Planting instructions: Plant in full sun for best flowering
Mature height: 3m x 1.8m
pic courtesy of Ewilli08, CC0, via Wikimedia Commons