Q.Why Is My New Blueberry Bush Turning Brown?
Purchased a two months ago with many white blooms on a twig-like bush. Short freeze post planting occurred and blooms have fallen off with brown underneath. New leaves growing, but also turning brown. Watering every 1-2 days with hose. Given miracle grow plant food 3x since planting.
Certified GKH Gardening Expert
Unfortunately, you have offered your plant a death sentence!
Blueberries CANNOT handle nitrates, which your fertilizer of choice is chalk full of. Feeding once is enough to decimate a blueberry shrub, but three times is likely to make that soil unusable for blueberries for at least a year.
Make sure to feed ONLY with something suitable for blueberries, unless you are using compost alone. Blueberry feed contains ammonium sulfate, which is a form of nitrogen that blueberries can use.
Here are some articles to help you with blueberry care. Once you are confident in your research and have a plot crafted up, specifically, for your plant then you can give it a second go: