When to Plant Dragon Fruit in Cairns, Tropical Guide
What this month normally looks like in Tropical
In October the Tropical zone normally runs 34°C by day and 23°C overnight, with about 53 mm of rain over 5 or 6 wet days. Averages 1991 to 2026, 37 postcodes, SILO.
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This Dragon Fruit guide is written for the Tropical zone, which takes in Cairns, Townsville and Darwin. Somewhere else? Your postcode picks the right one.
Not your zone? Brisbane Sydney Melbourne Canberra Alice Springs Perth
Also handy: will it frost this week? and what grows in shade.
- Planting window
- All year
- Sun
- Full sun to part shade
Dragon fruit, or pitaya, is a climbing cactus with long, three sided stems. It flowers at night and gives bright, sweet fruit with white, pink or red flesh.
Published · By GardenBuddy.au
Planting dates, current conditions and prices on this page update daily.
Photo: Wikimedia Commons
Best Planting Window for Tropical
- Jan P
- Feb P
- Mar P
- Apr P
- May P
- Jun P
- Jul P
- Aug P
- Sep P
- Oct P
- Nov P
- Dec P
P = Planting window
GrowVeg says planting can be done all year in tropical climates. Fruit runs from about September to March in the NT (NT Government). Use a free draining sandy mix and a strong post or trellis. Cut back on watering when it is cool and wet.
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How to Grow Dragon Fruit in Tropical Australia
- Soil
- Free draining, sandy and fertile (GrowVeg, Love The Garden). Not cactus mix, which may dry too fast (Lawn.com.au).
- Salt
- Sensitive. Struggles with salty bore water or salty soil. Give it rainwater if you can.
- Sunlight
- Full sun to part shade (Guildford Garden Centre, Daleys).
- Keep away from
- Waterlogged or frost pocket positions
Tropical Growing Tips for Dragon Fruit
Recommended Varieties
- Choose a variety that suits your climate and pollination (Daleys lists Londonii, Neon, Pink Panther, Sugar Dragon and others as self pollinating)
Key Challenges
- Humid, wet weather rots stems
- Fruit fly
- Birds
Pro Tips
- Free draining sandy mix
- Strong post, about 2 m tall
- Bag fruit early
Pests and problems for Dragon Fruit in Tropical
- Queensland Fruit Fly Fruit fly Watch
- Stem and Root Rot Plant in free draining sandy mix. Water cactus style, less in winter (Guildford Garden Centre). Prune for airflow. Watch
- Brown Spot and Fungal Fruit Rot (Botryosphaeria, Dothiorella) Avoid overhead watering and over fertilising. Keep the canopy open. Watch
Harvesting Dragon Fruit
When ready: Fruit is ready when it pulls free with a gentle twist (GrowVeg). Pick when the bud end starts to crack (Qld club). Pick when ripe, fruit will not ripen off the plant (Love The Garden). Harvest comes 4 to 6 weeks after flowering (Love The Garden), 28 to 30 days (NT Government).
How to harvest: Twist by hand or cut the fruit from the stem at full colour.
What members get
- Soil and weather from your nearest station
- An email when it's time to sow
- Your own garden plan, including planning from a photo
- Price history and price alerts
- Pest risk alerts for your area
- Full salt and canning detail
Common Questions About Dragon Fruit
When do you plant dragon fruit in Australia?
It depends on your climate zone, not the calendar month alone. Planting months by zone:
- Tropical (Cairns): all year
- Subtropical (Brisbane): Sep to Nov
- Warm Temperate (Sydney): Oct to Nov
- Cool Temperate (Melbourne): Nov
- Cold / Highland (Canberra): not recommended
- Arid / Semi-Arid (Alice Springs): Oct to Nov
- Mediterranean (Perth): Oct to Nov
Can you grow dragon fruit all year round in Cairns?
Yes, every month is on the calendar for the Tropical zone, though not every month is equally easy. GrowVeg says planting can be done all year in tropical climates. Fruit runs from about September to March in the NT (NT Government). Use a free draining sandy mix and a strong post or trellis. Cut back on watering when it is cool and wet.
When should I plant Dragon Fruit in Cairns?
GrowVeg says planting can be done all year in tropical climates. Fruit runs from about September to March in the NT (NT Government). Use a free draining sandy mix and a strong post or trellis. Cut back on watering when it is cool and wet.
How do I know when Dragon Fruit are ready to harvest?
Fruit is ready when it pulls free with a gentle twist (GrowVeg). Pick when the bud end starts to crack (Qld club). Pick when ripe, fruit will not ripen off the plant (Love The Garden). Harvest comes 4 to 6 weeks after flowering (Love The Garden), 28 to 30 days (NT Government).
What are the best Dragon Fruit varieties for Cairns?
Recommended varieties for the Tropical zone include: Choose a variety that suits your climate and pollination (Daleys lists Londonii, Neon, Pink Panther, Sugar Dragon and others as self pollinating).
Are dragon fruit salt tolerant?
No. Dragon fruit are salt-sensitive, one of the more sensitive veggies. Use rainwater if your bore water is salty, or grow them in a raised bed of fresh mix if your soil is.
Which zone am I in?
Type your postcode into the box near the top of the page and it tells you, and links this crop in your own zone if it differs. Or look it up on the grow zone map. This page is the Tropical zone, Cairns is its reference city.