Flowers
All zones: Alyssum, amaranthus, begonia, cosmos, marigold, petunia, portulaca, salvia, verbena and zinnia.
Zones 2-5: Ageratum, arctotis, aster, calendula, candytuft, carnation, chrysanthemum, cornflower, dahlia, delphinium, dianthus, impatiens, lobelia, nasturtium and snapdragon.
Zones 6-8: Celosia, cleome, gomphrena, phlox.
Vegetables
All zones: Beetroot, capsicum, cucumber, lettuce, pumpkin, shallot, silverbeet, squash, tomato and zucchini.
Zones 2-5: Beans, cabbage, carrot, celery, kohlrabi, leek, parsnip, parsley, peas, potato, radish, rhubarb, spinach, spring onion and sweet corn.
Zones 6-8: Eggplant, okra, radish, sweet corn.…