German Knotgrass
Scleranthus annuus
- Native to:
- Albania, Algeria, Austria, Baleares, Baltic States, Belarus, Belgium, Bulgaria, Canary Is., Corse, Cyprus, Czechia-Slovakia, Denmark, Eritrea, Ethiopia, Finland, France, Germany, Greece, Hungary, Iran, Ireland, Italy, Kriti, Krym, Lebanon-Syria, Madeira, Morocco, Netherlands, North Caucasus, Norway, NW. Balkan Pen., Poland, Portugal, Romania, Russia, Sardegna, Saudi Arabia, Sicilia, Spain, Sweden, Switzerland, Tadzhikistan, Transcaucasus, Tunisia, Türkiye, Türkiye-in-Europe, Ukraine, Uzbekistan
Fornax (en.wikipedia.org) at German Wikipedia (en.wikipedia.org)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Caryophyllaceae
- Genus:
- Scleranthus
- Species:
- Scleranthus annuus
- USDA Symbol:
- SCAN2
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 20 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- apr,may,jun,jul,aug,sep,oct
- Bloom Colors:
- green
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
Soil Requirements
- Soil Type:
- sandy, nutrient-poor, well-drained soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- thrives in open, disturbed habitats
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 7–21 days
- Notes:
- Seeds germinate readily in spring or autumn without pretreatment. Light may improve germination rates.
The above propagation data sourced from Claude AI