Sweet Potato
Ipomoea batatas
When to plant sweet potato in Australia
Plant sweet potato November to January in temperate climates (Melbourne, Adelaide, Sydney); December to January in cool climates (Canberra, Hobart, Ballarat); October to December in subtropical climates (Brisbane, Gold Coast); September to November in tropical climates (Darwin, Cairns); October to December in arid climates (Alice Springs, Mildura).
Grow from slips (rooted cuttings), not seed. Needs 4–5 months frost-free growing. The vines spread widely — give at least 1m per plant. Harvest after foliage yellows.
Growing guide
Sunlight
6–8 hours direct sun per day
Watering
Medium — water when topsoil feels dry
Spacing
30cm between plants, 90cm between rows
Frost tolerance
Tender — frost will damage or kill
Frequently asked
- How long does sweet potato take to grow in Australia?
- Sweet Potato takes 90–120 days from sowing to harvest, depending on variety and climate.
- How much space does sweet potato need?
- Space sweet potato 30cm apart in rows 90cm apart. Each plant needs 6–8 hours of sun per day.
- Can I grow sweet potato in Melbourne in winter?
- Sweet Potato is generally not planted in Melbourne over winter. The temperate planting window is November to January.
- What should I plant next to sweet potato?
- Companion plants for sweet potato vary by garden conditions. Add sweet potato to your patch in My Veggie Patch to see personalised companion recommendations.
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