In my experience, for the best possible flowers, I fertilize zinnias monthly during the blooming season. I choose fertilizers ...

‘For healthy zinnia plants, choose a full-sun location that receives six or more hours of direct sunlight each day,’ says Pangborn. ‘Keep them well watered and feed them regularly with a ...

Humidity isn’t a major concern for zinnias. A little bit of fertilizer can enhance their bloom power. Feed your zinnias with ...