How long does kohlrabi take to grow in Australia?

Kohlrabi takes 45–60 days from sowing to harvest, depending on variety and climate.

How much space does kohlrabi need?

Space kohlrabi 20cm apart in rows 30cm apart. Each plant needs 4–6 hours of sun per day.

Yes — in Melbourne, kohlrabi can be planted during June, July, August.

Companion plants for kohlrabi vary by garden conditions. Add kohlrabi to your patch in My Veggie Patch to see personalised companion recommendations.

Brassica oleracea var. gongylodes

Brassicaceae

Days to harvest: 45–60 days

Spacing: 20 × 30 cm

Plant kohlrabi March to August in temperate climates (Melbourne, Adelaide, Sydney).

The swollen stem is eaten, not the root. Harvest when 5–7cm diameter — larger ones become woody and bitter. Succession sow every 4 weeks.

Sunlight

4–6 hours direct sun per day

Watering

Medium — water when topsoil feels dry

Spacing

20cm between plants, 30cm between rows

Frost tolerance

Hardy — tolerates frost

How long does kohlrabi take to grow in Australia?: Kohlrabi takes 45–60 days from sowing to harvest, depending on variety and climate.
How much space does kohlrabi need?: Space kohlrabi 20cm apart in rows 30cm apart. Each plant needs 4–6 hours of sun per day.
Can I grow kohlrabi in Melbourne in winter?: Yes — in Melbourne, kohlrabi can be planted during June, July, August.
What should I plant next to kohlrabi?: Companion plants for kohlrabi vary by garden conditions. Add kohlrabi to your patch in My Veggie Patch to see personalised companion recommendations.

Track your kohlrabi in My Veggie Patch — get personalised planting reminders, companion suggestions, and harvest tracking.