Big-Flower Broom

Chamaecytisus supinus

Native to:
Austria, Bulgaria, Czechia-Slovakia, France, Germany, Greece, Hungary, Italy, NW. Balkan Pen., Poland, Romania, Spain, Switzerland, Türkiye-in-Europe

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Chamaecytisus
Species:
Chamaecytisus supinus
USDA Symbol:
CHSU22

Growth Characteristics

Height:
100 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
may,jun,jul
Bloom Colors:
yellow
Landscaping Shrub:
Yes

Garden & Ecology Notes

Wildlife Value:
bees, butterflies

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to rocky, calcareous slopes

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Scarification:
Seed coat scarification required before sowing
Germination Time:
14–30 days
Notes:
Seeds benefit from scarification (nicking or hot water) followed by cold stratification for 4-8 weeks.