These will be ready for sowing 8 weeks before your last frost. Place seeds on the surface of the soil and lightly cover the seeds with the soil. Pat the soil to keep it firm, and water to keep the soil evenly moist. Seedlings will emerge in 21 days.
Sow your seeds 10 weeks before your last frost date. Plant seeds ¼ inch deep in trays filled with growing mix. You should notice your plants germinating in about 1-3 weeks.
Seeds should be chilled for a few weeks before planting. This will help to mimic the colder outdoor temperatures. Plant these seeds at a depth of ½ inch. Your seeds will begin to germinate in about 2 weeks.
Begin planting your dianthus seeds 8 weeks before your projected last frost date. These seeds will quickly germinate in about 10 days as long as they are kept warm in a sunny location with nice moist soil.
These will take up to 30 days to germinate. Place trays in the sunlight and don't cover the seeds, rather just gently press them into the surface of the soil. Keep soil moist, and transplant when the threat of frost has passed.