When to plant corn in Australia
Plant corn October to December in temperate climates (Melbourne, Adelaide, Sydney); November to December in cool climates (Canberra, Hobart, Ballarat); January to March in subtropical climates (Brisbane, Gold Coast); March to May in tropical climates (Darwin, Cairns); March to April in arid climates (Alice Springs, Mildura).
Plant in blocks of at least 4×4 (not rows) to ensure wind pollination. Ready to harvest when silk turns brown and juice from a kernel is milky. Eat within hours of picking.
Growing guide
Sunlight
6–8 hours direct sun per day
Watering
Medium — water when topsoil feels dry
Spacing
30cm between plants, 75cm between rows
Frost tolerance
Tender — frost will damage or kill
Frequently asked
- How long does corn take to grow in Australia?
- Corn takes 70–90 days from sowing to harvest, depending on variety and climate.
- How much space does corn need?
- Space corn 30cm apart in rows 75cm apart. Each plant needs 6–8 hours of sun per day.
- Can I grow corn in Melbourne in winter?
- Corn is generally not planted in Melbourne over winter. The temperate planting window is October to December.
- What should I plant next to corn?
- Companion plants for corn vary by garden conditions. Add corn to your patch in My Veggie Patch to see personalised companion recommendations.
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