My 2 blueberry plants have lots of flowers on them, but also some of the leaves are turning red. Last summer they also turned red and the berries dried up, we thought it was because the plants were scorched by the sun during the hellish weeks we had.
We started researching red leaves on blueberries and it looks like the plants have 'Mummy Berry' disease. This is a fungus that infects the leaves and flower and the fruits. The leaves turn red and curl up, the flowers change and create a sweet syrup (that entices bees to spread the fungus) and the berries turn hard and look like pumpkins. When the berries dry up and fall off, the berries sit on the ground. When spring comes little fungus 'funnels' come up from the berries and spread the spores. And so the cycle continues.
This fungus can kill the plants, so we did some research and found that Serenade can help with this problem (http://www.serenadegarden.com/). I just sprayed the plants and hopefully they will start to get better before they die off.
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