When to Plant Chestnut 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 Chestnut 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.
- Sun
- Full sun
- Soil pH
- 5.5–6.5
A large, fast growing deciduous tree that crops in autumn and is at home where winters are cold and summers hot, from the Victorian high country to the Adelaide Hills (Daleys, Chestnuts Australia).
Published · By GardenBuddy.au
Planting dates, current conditions and prices on this page update daily.
Photo: Wikimedia Commons
Best Planting Window for Tropical
Chestnut is not recommended for Tropical.
Chestnut is a cold climate tree that needs a cold winter and a dry, well drained site. No Australian source lists it for the tropics, and the humid wet season brings the Phytophthora root rot it cannot stand.
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How to Grow Chestnut in Tropical Australia
- Soil
- Deep, fertile, perfectly drained soil, sand or volcanic ground; never waterlogged (Daleys, Organic Gardener, InDaily).
- Salt
- Sensitive. Struggles with salty bore water or salty soil. Give it rainwater if you can.
- pH Range
- 5.5-6.5
- Sunlight
- Full sun (Daleys).
- Keep away from
- Heavy or waterlogged ground, Horse chestnut trees, which look alike and are not edible
Tropical Growing Tips for Chestnut
Key Challenges
- No winter cold
- Root rot in the wet season
Pro Tips
- Choose macadamia or cashew instead
Pests and problems for Chestnut in Tropical
Harvesting Chestnut
When ready: Burrs split and nuts fall to the ground in autumn (Pip Magazine).
How to harvest: Collect fallen nuts every day, within two days of falling, wearing gloves for the spiky burrs; 2 to 3 nuts per burr (Chestnuts Australia).
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 Chestnut
When do you plant chestnut in Australia?
It depends on your climate zone, not the calendar month alone. Planting months by zone:
- Tropical (Cairns): not recommended
- Subtropical (Brisbane): Jun to Aug
- Warm Temperate (Sydney): Jun to Aug
- Cool Temperate (Melbourne): Jun to Aug
- Cold / Highland (Canberra): Jun to Aug
- Arid / Semi-Arid (Alice Springs): Jun to Aug
- Mediterranean (Perth): Jun to Aug
When should I plant Chestnut in Cairns?
Chestnut is a cold climate tree that needs a cold winter and a dry, well drained site. No Australian source lists it for the tropics, and the humid wet season brings the Phytophthora root rot it cannot stand.
How do I know when Chestnut are ready to harvest?
Burrs split and nuts fall to the ground in autumn (Pip Magazine).
Are chestnut salt tolerant?
No. Chestnut 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.