About
Draba incana, the hoary whitlow grass, is a compact, rosette-forming biennial or short-lived perennial with grey-hairy, lance-shaped leaves and short racemes of small, white, four-petalled flowers in spring. A native of upland, rocky and coastal habitats and an ornamental alpine plant for a sunny, very well-drained rock garden.
About the genus
Draba, the whitlow grasses, are mat-forming, rosette or cushion-forming annuals and perennials in the cabbage family (Brassicaceae), producing tight rosettes of small leaves and short racemes of small, four-petalled, white or yellow flowers in spring. Popular and easy-care rock garden and alpine plants for sunny, very well-drained positions.
Plant details
Suggested usesBedding, containers, hanging baskets.
Care notes
CultivationPlant out after last frost in fertile, well-drained soil.
PruningDeadhead regularly to prolong flowering.
PropagationGrow from seed sown in spring.
Pest resistanceGenerally pest-free. Monitor for common garden pests.
Disease resistanceGenerally disease-resistant. Ensure good air circulation.