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All the leaves on my azaleas are notched, and they are growing poorly. I don’t see any insect or pest causing this damage. What’s going on?

The damage you describe is that of the black vine weevil, a small nocturnal weevil that, in its larval stage, feeds on azalea and rhododendron roots. As the new leaves expand in the spring, adult weevils emerge from the soil and make nightly visits to the leaves to feed, chomping sections out of [...]

How and when should I prune my azaleas?

Prune azaleas just after they have finished flowering. Remove individual branches back to the spot where they join a larger branch. New flower buds for next spring’s bloom are set by midsummer, and any pruning after mid-June could result in diminished flower production next year. Avoid shearing azaleas since it results in a [...]

An old, established azalea died in my garden. What might have caused its death?

There are several possibilities. Voles, also known as meadow mice, may have chewed on the bark and roots near the crown of the plant. Sometimes they chew all the way around the trunk and kill the inner bark, resulting in death of the whole plant. Keep mulch away from the trunk to discourage [...]