Colutea arborescens
Colutea arborescens
- Native to:
- Albania, Austria, Bulgaria, Czechia-Slovakia, France, Germany, Greece, Hungary, Italy, NW. Balkan Pen., Romania, Spain, Switzerland, Türkiye-in-Europe
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fabaceae
- Genus:
- Colutea
- Species:
- Colutea arborescens
- USDA Symbol:
- COARB
Growth Characteristics
- Height:
- 400 cm
- Drought Tolerance:
- High
- Bloom Months:
- may,jun,jul,aug
- Bloom Colors:
- yellow
- Landscaping Shrub:
- Yes
Host Plant for Caterpillars
Pulse pod borer (Etiella zinckenella)
Garden & Ecology Notes
- Wildlife Value:
- birds, bees
- Deer Resistant:
- Yes
Propagation & Germination
- Stratification:
- None required
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 14–30 days
- Notes:
- Scarification (hot water soak or mechanical abrasion) greatly improves germination rates. Seeds may germinate without pretreatment but erratically.
The above propagation data sourced from Claude AI
ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months. Requires soaking 24-48 hrs; discard floaters.