Blueberry problem

Asked May 16, 2020, 2:18 PM EDT

Hello! I was wondering if you could help me with this problem? My blueberries started getting brownish colour on their leaves, marginal. What can be the problem?
Thank you for the answer!


1 Response

If those blueberries are from Michigan they must be inside. I think that is a potassium deficiency. It could also be fertilizer burn from too much fertilizer which have burned the roots, or drought stress. Here is a link to some information of potassium deficiency.
I generally recommend fertilizing potassium sulfate not, potassium chloride the common potash fertilizer. For small plantings I recommend using a rhododendron/Azalea mix such as Mir-Acid which has the correct blend of nutrients.