Alyssum diffusum
Alyssum diffusum
- Native to:
- France, Italy, Spain
iNaturalist: © tiggrx (iNaturalist #1305690)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Brassicaceae
- Genus:
- Alyssum
- Species:
- Alyssum diffusum
- USDA Symbol:
- ALDI11
Growth Characteristics
- Height:
- 30 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- apr,may,jun,jul
- Bloom Colors:
- white, cream
- Ground Cover:
- Yes
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
- Deer Resistant:
- Yes
- Fragrant:
- Yes
Soil Requirements
- Soil Type:
- rocky, well-drained, calcareous soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to rocky slopes and limestone areas
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 7–21 days
- Notes:
- Seeds germinate readily at temperatures between 15-20°C. Light improves germination but is not strictly required.
The above propagation data sourced from Claude AI