Steamy sun rays
I live in North Carolina, and lately it has 95 degrees and over. Is the steaming sun the reason why my marigolds and perennials are dying?
Certified GKH Gardening Expert
They usually do well in high temperatures I do see what looks like clay soils and this will be the cause of slow growth here. They will grow much faster in a soil with more texture. Try adding organic material or a little compost before planting to help out.
This article will help with the care of these: https://www.gardeningknowhow.com/ornamental/flowers/marigold/growing-marigold-flowers.htm