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Butterfly Bushes

Q.what causes whole brown leaves on bush

Zone 5 | CW added on July 4, 2012 | Answered

I’ve had a white butterfly bush for ten years that was healthy the first year. Each year since, it has grown from a tiny sprout in the spring but never gets a foot high before the leaves turn brown and it apparently goes dormant until the following spring. It’s been in a shady area and full sun with the same results. Can you help? Thanks.

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Certified GKH Gardening Expert
Answered on July 15, 2012

It sounds like it may have a reoccurring fungus that kills the leaves but not the plant. Start treating the plant with a fungicide once every 1-2 weeks. It should start to regrow leaves this year. Next spring, start with a fungicide as soon as you see growth. Once you get through spring with regular treatments of fungicide, the fungus should not return.

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