About
Arabis alpina subsp. caucasica Little Treasure White ('Aralba') is a low-growing, evergreen perennial that reaches a height of 15 cm (6 in) and can spread up to 20 cm (8 in) wide. It features loose rosettes of obovate, serrated, mid-green foliage and produces fragrant, four-petaled white blooms during late spring and summer.
About the genus
Arabis consists of either annuals or evergreen perennials that typically grow in a mat-like formation. They feature simple leaves and produce racemes adorned with flowers that have four petals, available in white, pink, or purple hues.
Growing conditions
- Sunlight
- Full sun
- Soil type
- Chalk, Loam, Sand, Clay
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, East-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H6
Plant details
- Plant type
- Alpine Rockery
- Habit
- Matforming
- Foliage
- Evergreen
- Height
- 0.1-0.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- Rock garden, Gravel garden, Patio and container plants, Wildlife gardens
- Fragrance
- Flower
Care notes
- Cultivation
- Grow in well drained soils. Good for ground cover
- Pruning
- Trim back after flowering
- Propagation
- Propagate by softwood cuttings in summer, or by division
- Pest resistance
- May be susceptible to arabis midge and flea beetles
- Disease resistance
- May be susceptible to downy mildews, white blister, and virus diseases