Forpurposes the gardener can roughly divide plants into: Annuals, which grow from , bloom and die all in one season. Biennials, which grow the first year, bloom and die the second season. Perennials, which continue to grow from year to year, producing blossom and increasing with age.
Offor the open plots, two other divisions are: Hardy, which can be sown with success in the open. HalJ-Hardy, where seed has to be sown under glass, or during the heat of summer. These two divisions are mostly marked on the seed packets.