Bitterweed
Picris rhagadioloides
- Native to:
- Albania, Algeria, Bulgaria, Cyprus, East Aegean Is., Egypt, France, Germany, Greece, Italy, Kriti, Lebanon-Syria, Libya, NW. Balkan Pen., Palestine, Poland, Sinai, Spain, Switzerland, Türkiye, Türkiye-in-Europe
Oceancetaceen - Alice Chodura






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Picris
- Species:
- Picris rhagadioloides
- USDA Symbol:
- PISP
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- apr,may,jun,jul
- Bloom Colors:
- yellow
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
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:
- thrives in disturbed habitats
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 7–21 days
The above propagation data sourced from Claude AI