Rock Buckthorn
Rhamnus saxatilis
- Native to:
- Albania, Austria, Bulgaria, Czechia-Slovakia, France, Germany, Greece, Hungary, Italy, NW. Balkan Pen., Romania, Spain, Switzerland
SABENCIA Guillermo César Ruiz,SABENCIA Guillermo César Ruiz,Balles2601,HermannSchachner,Krzysztof Ziarnek, Kenraiz,Krzysztof Ziarnek, Kenraiz,HermannSchachner,Balles2601,Orjen,Orjen,Jan Eckstein,Radio Tonreg (www.flickr.com) from Vienna, Austria
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Rhamnaceae
- Genus:
- Rhamnus
- Species:
- Rhamnus saxatilis
- USDA Symbol:
- RHSA7
Growth Characteristics
- Height:
- 300 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun
- Bloom Colors:
- yellow, green
- Landscaping Shrub:
- Yes
Garden & Ecology Notes
- Wildlife Value:
- birds
- Fall Color:
- yellow
Soil Requirements
- Soil Type:
- rocky, well-drained calcareous soil
- pH:
- 6.0 - 8.0 (neutral to slightly alkaline)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- common in rocky and limestone areas
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 14–42 days
- Notes:
- Seeds benefit from cold stratification; germination can be erratic.
The above propagation data sourced from Claude AI