What's wrong with my Rosemary bush? - Knowledgebase Question

Name: Elizabeth Joy Farkas
North, So
Question by drejfarkas
April 12, 2009
Some of the needles(leaves) on my 3 yr. old Rosemary bush have white spots at the tips and are yellowish brown towards the stem. What is this and what should I do? It is a very large established bush.


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Answer from NGA
April 12, 2009

0

White spots may be a fungal infection, or you may be seeing a cluster of insects such as mealybugs. I'd cut off one of the affected stems and take it to your local cooperative extension office or Master Gardener clinic for positive diagnosis. It's normal for the inner leaves of your rosemary to die off. To prevent this, prune the plant back on an annual basis to force new growth both behind and above the pruning cut. Best wishes with your rosemary!

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