Rose of Sharon Tree
All the trees around the area are already in full bloom. Mine is not. What is the problem?
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The Garden Frog with C Renee on Aug 14, 2013First thing to check for~any bugs or weird fuzzy or sticky substance on the buds or leaves? If you do see this then mix some ivory or mild dish soap with water and give her leaves and buds a bath. Whenever I have a sick plant that is the first thing I check. I do not see any problems with the leaves in the pics as far as any fungus or mold so my next question is How much water is she getting? You should also make a slightly larger ring around her base and mulch it about 4" for moisture and weed control. Drought or lack of water can cause the buds to dry and fall off.Helpful Reply
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Douglas Hunt on Aug 14, 2013I think inadequate water is the most likely cause, although rose of Sharon can drop its flower buds for a frustrating number of reasons. Another possibility is a fungal disease called Botrytis that infects flower buds and causes them to turn brown and drop, often before or just after they open.Helpful Reply
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Peg on Aug 14, 2013I agree with Doug and Renee. It look healthy to me, I don't see aphids or other pests on it, leaves look great too. I was going to suggest the same thing as Renee did as it was one of the first things I noticed - add a wider base around the tree and mulch. If you put any weed killer on the lawn, you don't want it close to the tree. And if they get dried out just one time, the plant will suffer and drop their buds. These look like they will be a "double" flowering type. I'd love to see it in bloom.Helpful Reply
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Catherine Smith on Aug 14, 2013Agree with Doug and Renee as well. You might take a couple of those buds to your local extension agent. Botrytis can be controlled if it's caught early. RoS are tough, and that one looks very healthy.Helpful Reply
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Mary Halfacer on Aug 14, 2013Thank you for the suggestions. I do not believe it has bugs or a sticky substance. We have had a lot of rain this summer and we have been watering her. We will try the wider base and give it more water. Is there such a thing of too much water? We will also checked into the Botrytis disease. I've never heard of it. Thanks so much for the advice. I will get back to you.Helpful Reply
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Nancy Hand on Aug 14, 2013Mary in the first picture the tree looks like it might be planted too deep, could it be??? I agree with all above check for Botrytis. :)Helpful Reply
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Mary Halfacer on Aug 15, 2013I don't believe the tree was planted too deep, but we are checking for Botrytis. Thanks Nancy.Helpful Reply
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April E on Aug 16, 2013how often do you water it and for how long? do you use a sprinkler or a hose?Helpful Reply
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Janie Freeman on Aug 16, 2013Why not try some Epsom salts or Phosphorus. I would try it some doses at first it suppose to encourage blossoms.Helpful Reply
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Mary Halfacer on Aug 16, 2013We have had a lot of rain in the Michigan area, so I haven't watered it much. How much water should it get?Helpful Reply
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Mary Halfacer on Aug 16, 2013How much Epsom salts? Do I mix it with water and what is the ratio?Helpful Reply
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Lauren on Aug 16, 2013You probably want to get a soil sample done too. This will help you know if the ph levels are right for the Rose of Sharon. It will also tell you what to add to your soil, if anything, to help the plant. You can get a soil sample kit from your extension services office. The store bought ones aren't always accurate.Helpful Reply
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April E on Aug 17, 2013most trees and shrubs need to be deep watered and having a lot of rain could be your issue if there is not adequate time for the soil to dry 4-5 inches deep you roots may not be getting the aeration needed and this could be causing the blooms to drop the first and most prevalent issue with plants are watering conditions and other when mother nature takes a hand they are the easiest to correct I would still think about a fungicide due to lots of rain means lots of moisture which is 1 of the things that leads to botrytisHelpful Reply
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Mary Halfacer on Aug 17, 2013Thank you April. My husband used a fungicide the other day and the blooms look like they about to open. I am keeping my fingers crossed and will let everyone know what happens.Helpful Reply
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Mary Halfacer on Aug 17, 2013Thanks Lauren. Wow so much good advice. I appreciate everything.Helpful Reply
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Peg on Aug 19, 2013Hopefully you can post a pic of the flowers in bloom!!!!Helpful Reply
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Mary Halfacer on Aug 19, 2013I will shout from on top when my flowers bloom. Oh yes. Pictures will be posted when that happens.Helpful Reply
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