Coriander Seeds from Seeds of Madness are Coriandrum Sativum seeds. As soon as they turn beige, coriander seeds can be harvested and dried. You can then store them in an airtight box or jar. Pick the oldest leaves rather than cutting off the stems. In the autumn, in order to preserve the coriander, cut the stems short, chop the leaves and then put them in an airtight pot in the freezer. It is advisable to sow from spring to autumn in the garden, in pots or planters. Sow the seeds light at a depth of 1 cm. If you sow in rows, space the rows 20 cm apart. Water regularly without soaking, in a light rain until emergence. When they have 4 to 5 true leaves (don't count the cotyledons), thin out to allow space and allow your plants to develop. Harvest is done about 2 months after sowing. Store in a place fresh and dry.