Hemp Broomrape
Orobanche ramosa
- Native to:
- Albania, Algeria, Austria, Baleares, Bulgaria, Canary Is., Corse, Djibouti, East Aegean Is., Egypt, Eritrea, Ethiopia, France, Hungary, Italy, Kazakhstan, Krym, Lebanon-Syria, Libya, Madeira, Mauritania, Morocco, NW. Balkan Pen., Oman, Portugal, Romania, Russia, Sardegna, Saudi Arabia, Sicilia, Sinai, Socotra, Somalia, Spain, Sudan-South Sudan, Switzerland, Transcaucasus, Tunisia, Türkiye, Türkiye-in-Europe, Ukraine, Yemen
Javier martin






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Orobanchaceae
- Genus:
- Orobanche
- Species:
- Orobanche ramosa
- USDA Symbol:
- ORRA
Growth Characteristics
- Life Cycle:
- Annual | Biennial | Perennial
- Growth Habit:
- Forb/herb
- Height:
- 40 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun,jul,aug,sep
- Bloom Colors:
- yellow, white, blue, violet
Garden & Ecology Notes
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- poor, sandy, well-drained soil
- pH:
- 6.0 - 8.0 (neutral to slightly alkaline)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- parasitic plant, often found in disturbed areas
Propagation & Germination
- Notes:
- Parasitic plant; seeds require chemical signals from host plant roots to germinate. Cannot germinate without host presence.
The above propagation data sourced from Claude AI