Q. My Crabapple bush has spots on many leaves. The bush is a good size and just starting to bloom. I'm not inclined to prune at this time. Is

My Crabapple bush has spots on many leaves. The bush is a good size and just st arting to bloom. I'm not inclined to prune at this time. Is it too late to start spraying with a captan or thiophanate-methyl???

Answer

It sounds like your crabapple has apple tree scab or some other similar fungal problem.  It is more than likely too late to apply any fungicide.  This year has been especially bad for the trees due to the wet, warm spring followed by our typical hot and humid summer.  Although unsightly, it usually doesn't kill the tree or shrub, although may transmit to the fruit.  Try to keep any leaves that fall disposed of in the trash,  and practice good clean up practices in the fall. Happy Gardening.  ep

  • Last Updated Jan 08, 2019
  • Views 65
  • Answered By Aska Gardener

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