Kohlrabi
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Kohlrabi is not a root vegetable, instead it has a swollen stem that grows above the ground.
Likes: Full sun to part shade; free-draining fertile soil.
Dislikes: Drying out.
When to plant/sow in zone:
How to start: Enrich soil with compost and organic fertiliser. Sow seed direct or in punnets 5mm deep.
How to grow: Keep moist and feed every 6 weeks with organic fertiliser. Shade in hot weather.
When to harvest: Wait until stem is 5–7cm in diameter – any larger and it becomes woody. Leaves can also be eaten.
Pests and diseases: Cabbage white butterfly, brassica downy mildew.
Suppliers: The Diggers Club Garden Express
Wondering what to plant when?
Use our planner to create a planting calendar for your climate zone
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