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What to Plant this Month
May Planting Guide - Summer Rainfall Regions
Hot summer and cold winter with frost in some parts. Includes most of Gauteng and Limpopo Province, the Free State highveld, Mpumalanga highveld, North West and Northern Provinces, and the KZN Midlands.
| Plant Name | Sow or Transplant |
| Broad Beans | Sow seed |
| Horseradish | Plant crowns |
| Mint | Sow Seed |
| Mustard greens (also gai choy) | Sow Seed |
| Pak Choi | Start in seed trays or plant out (transplant) seedlings or sow seed |
| Thyme | Sow Seed |
May Planting Guide - Humid Sub-Tropical Regions
Warm temperate region including most of the East coast, the Garden Route, and Eastern lowveld. Typified by the humid KZN coastal region, which is very hot and humid in summer (average 18 degrees C).
| Plant Name | Sow or Transplant |
| Angelica | Sow Seed |
| Beans | Sow Seed |
| Beetroot | Sow Seed |
| Broccoli | Plant out (transplant) seedlings |
| Cabbage | Start in seed trays or plant out (transplant) seedlings or sow seed |
| Capsicum (Bell peppers, Sweet peppers) | Plant out (transplant) seedlings |
| Carrots | Sow Seed |
| Chilli peppers (also Hot peppers) | Plant out (transplant) seedlings |
| Chives | Sow Seed |
| Cucumber | Sow Seed |
| Dill | Plant out (transplant) seedlings |
| Horseradish | Plant crowns |
| Mustard Greens | Sow Seed |
| Kohlrabi | Sow Seed |
| Mint | Sow Seed |
| Mustard Greens | Sow Seed |
| Oregano (also Pot Marjoram) | Plant out (transplant) seedlings |
| Pak Choi | Start in seed trays or plant out (transplant) seedlings or sow seed |
| Parsley | Start in seed trays or plant out (transplant) seedlings or sow seed |
| Peas | Sow Seed |
| Pumpkin & Squash | Sow Seed |
| Radish | Sow Seed |
| Rutabaga & Swedes | Sow Seed |
| Spinach | Sow Seed |
| Sweet Marjoram (also Knotted marjoram) | Plant out (transplant) seedlings |
| Tarragon | Plant out (transplant) seedlings |
| Thyme | Sow Seed |
| Tomato | Sow Seed |
| Turnip | Sow Seed |
| Zucchini (also Courgette/Marrow, Summer squash) | Sow Seed |
May Planting Guide - Dry Summer Sub-Tropical Regions
Warm temperate, typical Mediterranean-type climate with dry,warm sub-tropical summer (normally above 10 degrees C). Cool, wet winter. Confined to the South Western Cape and western part of the Southern Cape.
| Plant Name | Sow or Transplant |
| Angelica | Sow Seed |
| Broad Beans | Sow seed |
| Cabbage | Plant out (transplant) seedlings |
| Cauliflower | Sow Seed |
| Celery & Celeriac | Sow Seed |
| Chives | Sow Seed |
| Dill | Plant out (transplant) seedlings |
| Horseradish | Plant crowns |
| Mint | Sow Seed |
| Mustard Greens | Sow Seed |
| Onions | Start in seed trays or plant out (transplant) seedlings or sow seed |
| Oregano(also Pot Marjoram) | Plant out (transplant) seedlings |
| Pak Choi | Start in seed trays or plant out (transplant) seedlings or sow seed |
| Parsley | Start in seed trays or plant out (transplant) seedlings or sow seed |
| Peas | Sow Seed |
| Potato | Plant seed potatoes |
| Radish | Sow Seed |
| Shallots | Plant out (transplant) seedlings |
| Spinach | Sow Seed |
| Sweet Marjoram (also Knotted marjoram) | Plant out (transplant) seedlings |
| Thyme | Sow Seed |
| Turnip | Sow Seed |
May Planting Guide - Semi-Arid Regions
Dry and hot in summer. Cold, often with frost in winter. Includes most of the northern part of the Eastern Cape, including the Klein Karoo, the Great Karoo and Northern Cape, as well as some of the northern West Coast towards Namibia.
| Plant Name | Sow or Transplant |
| Angelica | Sow Seed |
| Chives | Sow Seed |
| Dill | Sow Seed |
| Mint | Sow Seed |
| Mustard Greens | Sow Seed |
| Onions | Start in seed trays or plant out (transplant) seedlings or sow seed |
| Oregano & Marjoram | Sow Seed |
| Parsley | Start in seed trays or plant out (transplant) seedlings or sow seed |
| Pak Choi | Start in seed trays or plant out (transplant) seedlings or sow seed |
| Tarragon | Plant out (transplant) seedlings |
| Thyme | Sow Seed |
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