Has it been really hot where you are? Geraniums will sometimes 'rest' during the high heat, especially if they're in full, hot sun.

Have you been watering enough?

Have you deadheaded? That's really important to keep the flowers coming with geraniums, it's a continual chore if you want to really see the blooms.

I'm not familiar with the Schultz fertilizer. Is the first number higher than the second and third? If so, that may be the problem - too much nitrogen. If not, well, then I'm not sure if the fertilizer could be the problem.

I had some geraniums in a room that got hot, 90°F plus for several days and my thriving plants just died. The flowers went first and then the leaves. I had clipped some tips of stems with leaves for propagation. Had I not done this the whole batch would have been lost. I had recently fertilized with a house plant fertilizer just before the "hot spell".

My geraniums are in a container and in full bloom, and have been all summer,I water them WELL and no fertilizer.
I have had better luck this year than in the past, because
I never watered them every day and then not enough. They are on my patio with dappled sun in the mornings.Good soil.

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My geraniums stopped blooming, as soon as buds form they dry up & fall off. They have afternoon sun, we live in Ca.I water them two times a week & feed them once a week with Miracle Bloom Booster Flower Food. Some of the leaves have lost the deep green color.What am I doing wrong?
Thank you for your help.

My guess is they need more water.