Why Are My Marigolds Dying

Marigolds may also be affected by root, crown and stem rot, which are caused by fungi that infect the crowns and roots of the plant. … Because the fungus attacks the roots, plant growth is usually stunted as well, and the marigold may eventually die.

How do you revive marigolds?

Marigolds don’t require deadheading, but if dying blossoms are regularly removed, it will encourage the plant to continue blooming profusely. When you water marigolds, allow the soil to dry somewhat between waterings, then water well and repeat the process.

Will dead marigolds come back?

Marigolds have vibrant flowers for one season. Marigolds are an attractive summer annual that adds a reliable burst of color to your landscape from summer through fall. While the plants will wilt and die back in the fall, the flowers are easy to grow again from seed the following season.