How To Grow Marigolds From Seed Youtube. Gather the dead seed heads from the marigold plants by cutting them from the plant by using pruning shears or scissors. Any good garden soil (and a little water during dry spells) should keep them happy, as long as the soil is not too acidic.
Storing marigold seeds is best done in a paper envelope so any additional moisture can escape. Keep the soil ph above about 6.0. When growing marigolds from seed, the main problem encountered is damping off.
Decrease to 10 hours per day over the second month.
Water gently and regularly over the next week to keep the soil from drying out. However, you can also propagate from cuttings. Plant on an overcast day to protect the marigold seedlings from the stress of hot sun while they cope with transplant shock. See more ideas about growing marigolds, homemade plant food, plants.