how long does it take for marigolds to grow from seed
Depending on the variety, marigolds can grow 8 to 40 inches tall, and develop blooms that can range in size from 1 to 5 inches. For germination within about five to 10 days, start the seeds indoors six weeks before the last spring frost and expose them to ideal conditions.Start marigold seeds in a seed-starting flat that's filled up until 3/4 inch from the top with sterile, moist, seed-starting mix.Sprinkle the seeds on top of the medium and sow them at a depth that equals two to four times the diameter of the seeds.or germination within about five to 10 days, start the seeds indoors six weeks before the last spring frost and expose them to ideal conditions. Start marigold seeds in a seed-starting flat that's filled up until 3/4 inch from the top with sterile, moist, seed-starting mix.