I have a hard time growing gladiolus plants. They get leaves but no flowers. I tried planting them far apart, in a circle together. The few that do grow will have dead flowers at the bottom before the top flowers finish blooming. In other words, I never get an entire gladiola flower at the same time!! I buy the bulbs at a warehouse store. Should I try buying them from a local garden center?
Certified GKH Gardening Expert
They may be lacking phosphorus. Without enough phosphorus, they will not be able to bloom well or even at all. Bone meal is high in phosphorus, so that is a good choice. Here is more information: