Allow the soil almost dry Out between watering . Water regularly in high heat or dry weather.

Marigolds aren’t too picky about their soil, but will be their best in moderately fertile, well-drained soil. If planted in clay soil or an area that doesn’t drain well, they may not perform as expected.

It's need full sunlight

When transplanting, a 5-10-5 fertilizer can be added, but is completely optional. Marigolds grown in-ground generally don’t require any fertilizer. In fact, if fertilizer is applied during the growing phase, it can boost foliage growth at the expense of flower production. Marigolds in containers can benefit from a diluted liquid fertilizer watered in occasionally.