Helianthemum Wisley Primrose description
Primrose yellow flowers in spring and early summer.
A pollinator friendly plant including bees.
This is a butterfly friendly plant.
How easy is it to grow:
This has won the RHS Award of Garden Merit . To win this impressive accolade the plants must have outstanding excellence for decorating a garden, be robust, not require highly specialist growing conditions or care and not be particularly susceptible to any pest or disease.
Good for the front of a border, on a bank, cascading over a wall, in containers, or by a patio and is easy in any reasonably drained soil and can cope with some clay, and it isn’t very susceptible to black spot on the leaves.
Common name: Wisley Primrose Rock Rose, or Wisley Primrose Sunrose.
The best position in the garden:
Is it useful as a ground cover plant?
Yes, it will fill a largish space in the front or middle of a flower border.
What type of soil:
Any reasonable soil, also tolerates chalky soil.
How much moisture:
Normal or dryish stony.
Hardiness and, or, lifespan:
Care and maintenance:
When newly planted always keep it watered until the roots have grown down and it is able to find its own moisture.
Trim after flowering to maintain a good shape.
Size of plant:
Height 30 cm.
Spread 90 cm.
Planting density – to calculate how many plants are required in a planting scheme:
Allow 1 plant per square metre.
 Royal Horticultural Society – opens in a separate window.