Marigold Flower Buds Not Opening. The pathogen also infects leaves causing blight. Sometimes partially opened flowers are attacked and individual petals turn brown and shrivel.
Deadhead marigold blooms as soon as they begin to wilt and fade. It is more of a wispy fragile flower that barely opens as if they just dont have the energy to fully bloom. Sometimes partially opened flowers are attacked and individual petals turn brown and shrivel.
If any flower bud is actually stagnant unchanging for more than a couple weeks you should be cutting the bud off.
Whitish small superficial spots appear on the plant leaves later on they spread over. Then it will be able to support the foliage and flowers much better. That might have stunted the growth of buds. The fungus infects the young flower buds.