Helianthemum nummularium Wisley Primrose

Sun Rose, Rock Rose

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Plant Code: HEWR

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Resembling tiny wild roses, the single soft-yellow silky flowers surround feathery darker yellow stamens. This evergreen sub-shrub with smoky green foliage will fill in quickly and is quite drought tolerant once established. An Award of Garden Merit winner.

Helianthemum Wisley Primrose is named for the RHS Wisley Gardens in Woking, England. A Mediterranean native, perfect for any sunny location, it looks lovely cascading over a low wall.


Type: Perennials
Height: Short 12"
Spacing: Plant 24" apart
Bloom Time: Late Spring to Mid-Summer
Sun-Shade: Full Sun
Zones: 4-8   Find Your Zone
Soil Condition: Normal, Sandy
Flower: Yellow
Pot Size: 3.5" square x 4" deep

Features to Note

  • Attracts Butterflies
  • Deer Resistant
  • Hot Dry Site Tolerant
  • Edgers
  • Evergreen
  • OK in Containers
  • Rabbit Resistant

Helianthemum General Information

Sun Roses, evergreen subshrubs, are extremely drought tolerant once established. Vivid colored flowers will blanket the low mound of wiry stems. Idaho has restricted all potted plant material from being shipped into Idaho at this time.

Helianthemum Plant Care

Plants must have good winter drainage. Best grown in dry, alkaline, sandy well-drained soil in full sun. Shear lightly immediately after flowering to shape and encourage additional growth and possible rebloom.