Cauliflower
Brassica oleracea var. botrytis
When to plant cauliflower in Australia
Plant cauliflower March to May in temperate climates (Melbourne, Adelaide, Sydney); March to May in cool climates (Canberra, Hobart, Ballarat); April to June in subtropical climates (Brisbane, Gold Coast); June to July in tropical climates (Darwin, Cairns); April to June in arid climates (Alice Springs, Mildura).
Tie outer leaves over the developing head to blanch it white. More demanding than broccoli — needs consistent moisture and temperature. Bolts to flower quickly if stressed.
Growing guide
Sunlight
4–6 hours direct sun per day
Watering
Medium — water when topsoil feels dry
Spacing
60cm between plants, 60cm between rows
Frost tolerance
Hardy — tolerates frost
Frequently asked
- How long does cauliflower take to grow in Australia?
- Cauliflower takes 70–100 days from sowing to harvest, depending on variety and climate.
- How much space does cauliflower need?
- Space cauliflower 60cm apart in rows 60cm apart. Each plant needs 4–6 hours of sun per day.
- Can I grow cauliflower in Melbourne in winter?
- Cauliflower is generally not planted in Melbourne over winter. The temperate planting window is March to May.
- What should I plant next to cauliflower?
- Companion plants for cauliflower vary by garden conditions. Add cauliflower to your patch in My Veggie Patch to see personalised companion recommendations.
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