I have a lovely lavender bush that has been growing and looking very healthy until recently and now parts of it look like "dried lavender." I cut off the dried looking part, but the problem seems to be spreading. Do you have any guesses as to what is causing this and how to fix it before the whole plant is gone?
Lavender is one of those plants that thrives in drier seasons, and struggles in damp, hot and humid ones, especially if the drainage isn't great or if you have a sprinkler system which hits it regularly. Raised beds and rocky, poor soils tend to be better than highly amended, rich sites. Cut out the damaged parts and get it through the winter. Then prune it back by 1/3 to 1/2 before new growth kicks in next spring and see what happens. It tends to do better in poor soils which are not heavily fertilized or watered.
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