Photo: Photo (c)2006 Derek Ramsey (Ram-Man), CC BY-SA 2.5 · source
Pruning guide · Annual
Heliotrope: when and how to prune
Heliotropium arborescens
Heliotrope is best pruned in March and May.
| Pruning months | March and May |
|---|---|
| Flowering | June–September |
| Good for bees, butterflies and birds | Yes, for bees and butterflies |
| Native to Belgium | No, planted |
| Poisonous to people and pets | Yes, take care with children and pets |
Heliotrope: when to prune it?
Pinch in May and cut back an overwintered plant in March; during flowering, remove faded clusters.
Heliotrope: how to prune it?
- Cut overwintered plants back by about a third in March, just above a healthy bud.
- Pinch out the tips of young shoots in May for bushy growth.
- During summer, cut faded flower clusters back to above a new leaf.
- Remove dead, weak or bare stems completely.
How much to cut, and how often?
- There are 2 pruning periods a year: March and May. You don’t have to prune in every one.
What does it mean for wildlife?
- Heliotrope flowers in June–September, when it attracts bees and butterflies.
Caution: Heliotrope is poisonous: wear gloves and keep clippings away from children, pets and livestock.
Nearby: related pruning guides
Plant profile: Heliotrope · Pruning calendar and basic rules
This guide is compiled from the Bladwijzer plant profile and pruning calendar.