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For rhododendrons with large leaves,youwant to prune right above their “growthjoints” theplace where the plant is starting to grow. Justbeneath that pointis where dormant buds are, so take care not tocut them off.Small-leafed rhododendrons and azaleascan be prunedanywhere along their stems.
Considering this, how hard can I cut back a rhododendron?
Cut back the plant to expose the innerbranches.Follow the branch down to the last whorl of leaves youwant to keepand cut just above those leaves, about 1/4 inchabove thetopmost leaf in this cluster. Large, overgrownrhododendronscan be cut 12-15 inches from the groundwhennecessary.
Similarly, it is asked, how do you prune old rhododendrons?
Rejuvenation pruning calls for drastic cutsonold wood. Cuts for rejuvenation pruning are mademuchfarther back on the shrub. On the primary branches, make yourcutjust above a latent bud, or even better, a cluster of buds.Insevere cases, you can sometimes cut your rhododendrontowithin 6 inches of the ground.
How to Bring a Rhododendron Back to Life
- Make sure that the rhododendron is in the right location.Theshrub prefers the afternoon shade.
- Check the soil for moisture.
- Scrape the branch slightly with a knife to see if there isanygreen colored layer under the bark.
- Check the rhododendron for fungus disease.
- Check if the leaves look yellow with a green vein.