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Old 08-22-2014, 11:54 AM
 
4 posts, read 9,857 times
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In our neighborhood we have many tall( 5-7 feet) bee balm plants used as barriers between yards. This spring we noticed that the bee balm was having many branches die. New blooms and branches begin with many green healthy, smaller leaves, only to have these leaves shrivel and fall off. We've tried fertilizing. Any idea as to what's wrong and what we can do to save these?
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Old 08-22-2014, 12:09 PM
 
Location: North Beach, MD on the Chesapeake
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It happened to mine earlier in the summer.

I swore that this would be the last time I try to grow it.
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Old 08-22-2014, 10:27 PM
 
Location: CO
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Did the leaves have a white substance on them before they shriveled up and died? Powdery mildew is pretty common with bee balm especially when they are grouped closely together with little room for air circulation.
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Old 08-23-2014, 03:31 AM
 
Location: North Beach, MD on the Chesapeake
35,891 posts, read 46,044,318 times
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For mine, no. They were good one day, the next the leaves were drying out, the third the stems fell down.
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Old 08-23-2014, 10:04 PM
 
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No mildew problems. They look great and healthy and then the leaves curl, turn brown, and fall off!
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Old 08-23-2014, 10:24 PM
 
Location: Out there somewhere...a traveling man.
41,054 posts, read 51,645,657 times
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Powdery mildew, wet feet, heat wave, not trimming back, poor air circulation, are some of the problems with bee balm plants.

Bee balm information:Growing Bee Balm - Bonnie Plants
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Old 08-24-2014, 12:36 PM
 
7,340 posts, read 10,042,765 times
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My suggestion is to trim it back to below the spot where the leaves start to shrivel up and let it grow back. Some copper dust will eliminate any 'fungus among us.' And don't water them from overhead from now on!
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