Q.Butterfly Bush
About 3 weeks ago, We planted 2 butterfly bushes in our front flowerbed. We’ve since noticed that the bottom Is starting to look sickly: stems are brownish & appear to be brittle(?), and the bottom leaves are yellowing. I’ve read on your website that it could be root rot? My husband does the watering, & admits this as a possibility. So…what do we do from here?
GKH_Susan
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on May 7, 2021
It does sound like root rot. I'm not sure how large these shrubs are, but if they're fairly small you may want to carefully dig them up, trim away the bad roots and replant them. Otherwise, they may need to be treated with a fungicide. Here's a helpful article:
https://www.gardeningknowhow.com/ornamental/shrubs/butterfly-bush/butterfly-bush-diseases.htm
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