Rough Clover
Trifolium scabrum
Also known as: Sulphur Clover
- Native to:
- Albania, Algeria, Azores, Baleares, Belgium, Bulgaria, Canary Is., Corse, Cyprus, East Aegean Is., Egypt, France, Germany, Greece, Iran, Iraq, Ireland, Italy, Kriti, Krym, Lebanon-Syria, Libya, Madeira, Morocco, Netherlands, North Caucasus, NW. Balkan Pen., Palestine, Portugal, Romania, Sardegna, Sicilia, Spain, Switzerland, Transcaucasus, Tunisia, Türkiye, Türkiye-in-Europe, Turkmenistan
No machine-readable author provided. Aroche assumed (based on copyright claims).






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fabaceae
- Genus:
- Trifolium
- Species:
- Trifolium scabrum
- USDA Symbol:
- TRSC7
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 20 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- apr,may,jun,jul
- Bloom Colors:
- white, pink
- Ground Cover:
- Yes
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
Keystone Species Ranking
- Pollen Specialist Bee Keystone:
- ★★☆☆☆ Native pollen specialist bee species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- bees
- Salt Tolerant:
- Yes
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 6.0 - 7.5 (neutral to slightly alkaline)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- prefers open, sunny habitats
Propagation & Germination
- Stratification:
- None required
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 7–21 days
- Notes:
- Scarification improves germination. Seeds may germinate without pretreatment but rates are higher with mechanical scarification or hot water treatment.
The above propagation data sourced from Claude AI