Flowers
All zones: Alyssum, marigold, petunia, portulaca, salvia, snapdragon, verbena and zinnia.
Zones 2–5: Ageratum, amaranthus, aquilegia, aster, coleus, gerbera, impatiens, linaria, nasturtium, pansy, phlox, poppy, stock, and wallflower.
Zones 7–8: Begonia, cosmos, gomphrena, sunflower, torenia and vinca.
Vegetables
All zones: Beans, broccoli, cabbage, cauliflower, cress, leek, lettuce, radish, rhubarb silverbeet and spring onion.
Zones 2–5: Beetroot, brussels sprout, carrot, endive, herbs, kohlrabi, parsnip, swede and turnip.
Zones 7–8: Artichoke suckers, capsicum, celery, cucumber, eggplant, kohlrabi, marrow, melon, okra, potato tubers, squash, sweet corn, sweet potato tubers, tomatoes and zucchini.…