Aster alpinus description
Mainly mid blue rayed flowers, but there can also be white or pink flowers.
All have a big yellow eye and flowering is in late spring and early summer.
Good for the front of a border.
A pollinator friendly plant including bees.
This is a butterfly friendly plant.
Good for wildlife in general.
Can tolerate a coastal aspect with a certain amount of salt laden air.
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.
It is great for the front of a border, Cottage Garden, alpine bed, rockery, by a patio or in pots.
It is easy in most soils, including heavy or clay soils.
Common name: Alpine Aster.
The best position in the garden:
Sun or semi shade.
What type of soil:
Any reasonable soil, also tolerates acidic soil and clay soil.
How much moisture:
Normal, or dryish stony. Also dry semi shade.
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.
Size of plant:
Height 30 cm.
Spread 30 cm.
Planting density – to calculate how many plants are required in a planting scheme:
Allow 10 plants per square metre.
Buy rockery plants and alpines online here.
 Royal Horticultural Society – opens in a separate window.