Armenian cranesbill (Geranium psilostemon)

Photo: Jean-Pol GRANDMONT, CC BY 3.0 · source

Pruning guide · Perennial

Armenian cranesbill: when and how to prune

Geranium psilostemon

Armenian cranesbill is best pruned in March and August.

Key facts
Pruning monthsMarch and August
FloweringJune–August
Good for bees, butterflies and birdsYes, for bees
Native to BelgiumNo, planted

Armenian cranesbill: when to prune it?

In August, after the first flush of flowers, and in March to clear away the old, dead leaves.

What else to prune in those months? March · August

Armenian cranesbill: how to prune it?

  1. After flowering, cut the spent stems and old leaves back to 10–15 cm above the ground.
  2. Then water and add some compost so that new leaves come quickly.
  3. Leave the leaves in autumn for their colour and cut the dead remains back to just above the ground in March.
  4. If you want seedlings, leave a few flower stems until the seed is ripe.

How much to cut, and how often?

  • There are 2 pruning periods a year: March and August. You don’t have to prune in every one.

What does it mean for wildlife?

  • Armenian cranesbill flowers in June–August, when it attracts bees.
  • If pruning falls during flowering, wait until it is over or leave part of the plant to flower, so bees and butterflies still benefit.

Nearby: related pruning guides

Plant profile: Armenian cranesbill · Pruning calendar and basic rules

This guide is compiled from the Bladwijzer plant profile and pruning calendar.

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