Nasturtium
Tropaeolum majus
When to plant nasturtium in Australia
Plant nasturtium October to December in temperate climates (Melbourne, Adelaide, Sydney); October to December in cool climates (Canberra, Hobart, Ballarat); March to June in subtropical climates (Brisbane, Gold Coast); April to July in tropical climates (Darwin, Cairns); March to June in arid climates (Alice Springs, Mildura).
Sow directly — dislikes transplanting. Flowers and leaves are edible (peppery flavour). Acts as a "trap crop" drawing aphids away from vegetables. Both climbing and compact varieties available.
Growing guide
Sunlight
5–8 hours direct sun per day
Watering
Low — drought tolerant once established
Spacing
25cm between plants, 30cm between rows
Frost tolerance
Tender — frost will damage or kill
Frequently asked
- How long does nasturtium take to grow in Australia?
- Nasturtium takes 50–60 days from sowing to harvest, depending on variety and climate.
- How much space does nasturtium need?
- Space nasturtium 25cm apart in rows 30cm apart. Each plant needs 5–8 hours of sun per day.
- Can I grow nasturtium in Melbourne in winter?
- Nasturtium is generally not planted in Melbourne over winter. The temperate planting window is October to December.
- What should I plant next to nasturtium?
- Companion plants for nasturtium vary by garden conditions. Add nasturtium to your patch in My Veggie Patch to see personalised companion recommendations.
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