When to prune rhododendron
Within about 3 weeks after flowers fade. Same as azalea: next year's buds set in summer. Snapping off spent flower trusses helps vigor.
| Type | shrub |
|---|---|
| Blooms on | old wood |
| Bloom season | spring |
| When to prune | Within about 3 weeks after flowers fade |
| Stop | No heavy pruning in the 6–8 weeks before your first fall frost |
Avoid
Late-summer and fall pruning.
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Sources
- University of Georgia Extension: B961: Pruning Ornamental Plants in the Landscape
- Clemson Cooperative Extension HGIC: Pruning Shrubs
- University of Minnesota Extension: Pruning trees and shrubs
Summarized in our own words from public extension publications.
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