May
| Indoor | Outdoor | Harvesting |
| Climbing Bean | Broad Bean | Asparagus |
| Dwarf Bean | Climbing Bean | Cabbage |
| Runner Bean | Dwarf Bean | Carrot |
| Broccoli | Runner Bean | Cauliflower |
| Cabbage | Beetroot | Garlic |
| Cauliflower | Broccoli | Lettuce |
| Celery | Cabbage | Pea |
| Courgette | Carrot | Radish |
| Cucumber | Cauliflower | Rocket |
| Kale | Chard | Samphire |
| Leek | Chicory | Spinach |
| Pumpkin | Courgette | Spring Onion |
| Squash | Cucumber | |
| Sweetcorn | Kale | |
| Kohl Rabi | ||
| Leek | ||
| Lettuce | ||
| Marrow | ||
| Pak Choi | ||
| Parsnip | ||
| Pea | ||
| Pumpkin | ||
| Radish | ||
| Rocket | ||
| Samphire | ||
| Spinach | ||
| Spring Onion | ||
| Squash | ||
| Swede | ||
| Sweetcorn | ||
| Turnip |
| Flowers To Sow | Flowers To Sow | Flowers To Sow |
| African Daisy | Ageratum | Alyssum |
| Amaranthus | Antirrhinum | Aster |
| Blue Fescue | Brachycome | Calendula |
| Campanula | Candytuft | Carnation |
| Catmint | Celosia | Chrysanthemum |
| Cineraria | Clarkia | Cleome |
| Coleus | Cornflower | Cosmos |
| Dahlia | Delphinium | Digitalis |
| Echinacea | Forget Me Not | Foxglove |
| Godetia | Gypsophila | Impatiens |
| Ipomoea | Larkspur | Lavatera |
| Lavendar | Linaria | Lobelia |
| Love In A Mist | Lupin | Marigold |
| Mimulus | Mirabilis | Morning Glory |
| Nasturtium | Nemesia | Nicotiana |
| Nigella | Pansy | Petunia |
| Phlox | Pincushion | Poppy |
| Portulaca | Rudbeckia | Salvia |
| Statice | Stocks | Sunflower |
| Sweet Pea | Verbena | Viola |
| Wildflower | Zinnia |