Tutsan (Hypericum androsaemum)

Photo: Agnieszka Kwiecień (Nova), CC BY 3.0 · source

Pruning guide · Shrub

Tutsan: when and how to prune

Hypericum androsaemum

Tutsan is best pruned in March.

Key facts
Pruning monthsMarch
Nesting season (15 March–15 August)Take care in March
FloweringJune–August
Good for bees, butterflies and birdsYes, for bees and birds
Native to BelgiumNo, planted
Poisonous to people and petsYes, take care with children and pets

Tutsan: when to prune it?

Prune in March, before the new shoots appear. Tutsan flowers on new wood, so a firm prune costs no flowers.

What else to prune in those months? March

Tutsan: how to prune it?

  1. Cut the shrub back by about half; a bare or untidy plant can go down to 15–20 cm above the ground.
  2. Remove dead, weak and frost-damaged stems at the base.
  3. If there has been rust, take all the cut leaves and stems out of the garden.

How much to cut, and how often?

  • One pruning period a year: March.
  • Prune in moderation: never remove more than about a third of the shrub at once.

What does it mean for wildlife?

  • Pruning in March can fall in the nesting season (15 March–15 August). Check carefully for nesting birds first: disturbing an active nest is against the law.
  • Tutsan flowers in June–August, when it attracts bees.
  • Prunings can go on a dead hedge or brash pile in a corner of the garden: shelter for hedgehogs, wrens and insects.

Common mistakes

  • Clipping without first checking for nesting birds.
  • Leaving a stub or sawing flush with the trunk: cut just outside the branch collar.

Caution: If you do not want seedlings all over the garden, cut off some of the berries after summer, before they turn black and ripen. Tutsan is poisonous: wear gloves and keep clippings away from children, pets and livestock.

Nearby: related pruning guides

Plant profile: Tutsan · Pruning calendar and basic rules

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

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