About
Alyssum serpyllifolium is a low-growing evergreen perennial that forms a dense mat, reaching a height of up to 6 cm. It features small, silver-grey foliage and produces numerous tiny yellow flowers in the spring.
About the genus
Alyssum includes annuals, evergreen perennials, and sub-shrubs, characterized by their simple foliage. In early summer, they produce short racemes bearing small flowers with four petals, which may be yellow or white.
Growing conditions
- Sunlight
- Full sun
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Neutral, Alkaline, Acid
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H5
Plant details
- Plant type
- Alpine Rockery
- Habit
- Matforming
- Foliage
- Evergreen
- Height
- Up to 10 cm
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- Cottage and informal garden, Gravel garden, Patio and container plants, Rock garden, Wildlife gardens, City and courtyard gardens, Coastal
Care notes
- Cultivation
- Prefers a sunny, well-drained situation; ideally suited to rock garden conditions, sink troughs, containers, and gravel gardens. See RHS advice profile on rock gardening for more details
- Pruning
- Cut back lightly after flowering
- Propagation
- Propagate by softwood cutting or by seed
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free