To harvest dill seeds, wait until the seeds start to turn brown; as the seed clusters gain weight, they may need staking to keep them high and dry. Gather the ripe seed heads by clipping them into a paper bag, and place the bag in a warm, dry place indoors for a week or more.Click to see full answer. Just so, can you use dill seed?Dill seeds can be used whole or crushed, and are often used in bread, soups, vegetable dishes, and pickles. They can also be used in salad dressings, or to make dill vinegar.Subsequently, question is, how long do dill seeds take to grow? Dill tends to bolt if transplanted, so it is best direct sown. Stagger your harvest by sowing every 2-3 weeks for a constant supply of fresh leaves. Optimal soil temperature for germination: 15-21°C (60-70°F). Seeds should germinate in 10-21 days. Just so, what does dill seeds look like? Dill seeds are flat and oval shaped. They are grayish-brown in color, with lighter colored stripes running the length of the seed, and also around the outer edge of the seeds.What happens when Dill goes to seed?Once dill flowers, leaf growth slows as the plant puts energy toward producing seeds. Dill leaves do taste best right when the plants are starting to flower, but once the flowers mature, the plants will start dying back. When dill produces a flower, harvest the plant.