Planting Information: Direct seed (recommended) Sow 1/4- 1/2” deep, 1/4- 1/2” apart. For leaf harvest, there is no need to thin, as cilantro continues to grow well even when sown thickly. For coriander seed production, thin to stand 2-4” apart. Successive sowings can be done every 2-3 weeks for the continual harvest of leaves. 21 seeds.