Coriander is an annual cold-sensitive herb that needs full sun. Unless you regularly use a whole bunch of coriander, buying a potted plant or two will serve your needs. If you want to grow coriander from seed, sow after all danger of frost has passed. If you grow coriander in a container, water it every day or two (see containers
Both the leaves and the seeds can be harvested. If you grow coriander for the leaves, remove the flowers to prevent seeds forming and to encourage leaf growth.
Overwintering tender herbs indoors
The best location for overwintering herbs indoors are cool rooms with plenty of daylight. If you place the pots in a heated room, make sure to water amply and frequently, as the pots will dry out considerably.