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My hydrangea leaves on some of the stems are starting to curl up tight and looks like the stems are going to die. Do you have any idea what disease it is and how to treat it. Thanks.

It could be as simple of  problem as not enough water…hydrangeas like consistently moist soil.  Also check that you haven’t piled mulch in a volcano style up around the base of the plant.  This can cause all kinds of problems.   Never spray water your plants,,,just wet the soil,  Spray-watering promotes diseases.

It is possible that, due to getting sprayed with water or our damp, cool spring, your hydrangea has developed a fungal disease.   HERE’s a link   http://www.tnstate.edu/extension/documents/Foliar%20diseases%20of%20Hydrangea%20FBG%20022916%20G1.pdf to more on hydrangea diseases. Botrytis is another disease that could be the problem…more on that HERE. http://www.plantmanagementnetwork.org/pub/php/management/botrytis/

It is also possible that a weed killer that was used nearby could be adversely affecting your hydrangea and there are leaf rolling insects that could cause the symptoms you describe.

Since there are so many possibilities, I’d suggest bringing a sample of the damage to Hewitt’s or, if you are not in our area, a local garden center to let them take a look at it to determine what the problem is and how to treat it.

 

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