Kousa Dogwood

How Do I Keep My Pink Kousa Dogwood Producing Pink Flowers?

jorossi added on May 26, 2015 | Answered

This is my 3rd season for my pink kousa dogwood. This year the flowers were a very pale pink, almost white. Is there anything I can do to keep it producing deep pink flowers like it had the 1st year?

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Certified GKH Gardening Expert
Answered on May 26, 2015

Your soil pH may not be acidic enough; pink dogwoods do best when the pH is below 6.5. I recommend that you test the soil around your tree. To lower the pH you will need to add aluminum sulfate, and you will probably need to do it for a few years at least as pH adjustments happen slowly over time. To get a soil test you can contact your local extension office which you can find using the following link: https://www.gardeningknowhow.com/extension-search/

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