Photo: Eric Hunt, CC BY-SA 4.0 · source
Pruning guide · Perennial
Giant coneflower: when and how to prune
Rudbeckia maxima
Giant coneflower is best pruned in March.
| Pruning months | March |
|---|---|
| Flowering | July–September |
| Good for bees, butterflies and birds | Yes, for bees and birds |
| Native to Belgium | No, planted |
Giant coneflower: when to prune it?
In March, before the new flower stems appear.
What else to prune in those months? March
Giant coneflower: how to prune it?
- Cut last year’s flower stems and seed cones down to just above the rosette.
- Remove damaged or dead leaves from the rosette by hand.
- If you do not want seedlings, cut off some of the seed cones in autumn.
How much to cut, and how often?
- One pruning period a year: March.
What does it mean for wildlife?
- Giant coneflower flowers in July–September, when it attracts bees.
- If you only cut back in March, the old stems stand through the winter: insects overwinter in them and birds eat the seeds.
Nearby: related pruning guides
- Brown-eyed Susan (Rudbeckia triloba)
- Cutleaf coneflower
- Sweet coneflower (Rudbeckia subtomentosa)
- Western coneflower (Rudbeckia occidentalis)
Plant profile: Giant coneflower · Pruning calendar and basic rules
This guide is compiled from the Bladwijzer plant profile and pruning calendar.