I have a rose in my garden that looks healthy but is not producing any flowers. What is wrong?
It could be the use of high nitrogen fertilizers which cause lots of nice foliage but few to no blooms. I recommend using a good well balanced organic or organic based fertilizer. It can also be an insect problem where the buds start to form and tiny little insects bore into the baby buds for nourishment and thus they die and fall off well before forming up fully to bloom. A systemic insecticide is the best way to get to the boring insects. The other issue means to stop the use of or stay away from high nitrogen fertilizers.