When to Plant Papaya in Cairns, Tropical Guide
Also called pawpaw.
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 Papaya 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
- Apr to Jun, Sep to Oct
- Sun
- Full sun
- Soil pH
- 5.5–6.5
Fast-growing tropical herbaceous plant (not a true tree) that fruits within 10-12 months from seed. In Australia, 'papaya' refers to red/orange-fleshed varieties and 'pawpaw' to yellow-fleshed types.
Published · By GardenBuddy.au
Planting dates, current conditions and prices on this page update daily.
Photo: Wikimedia Commons
Best Planting Window for Tropical
- Jan -
- Feb -
- Mar -
- Apr P
- May P
- Jun P
- Jul -
- Aug -
- Sep P
- Oct P
- Nov -
- Dec -
P = Planting window
Plant seedlings on mounds in the early dry season, or at the start of the build-up with irrigation. Waterlogged soil rots the roots. Trees fruit all year and last two to three years.
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How to Grow Papaya in Tropical Australia
- Soil
- Rich, well-drained soil. Cannot tolerate waterlogging. Raised mounds in heavy soil. Sandy loam with organic matter ideal.
- Salt
- Moderately sensitive. Copes with a little salt, but the harvest drops on salty bore water.
- pH Range
- 5.5-6.5
- Sunlight
- Full sun, maximum heat. Sheltered from wind (large leaves are easily damaged).
- Good companions
- Sweet Potato, Banana, Coconut
- Keep away from
- Waterlogged areas, Windy exposed positions
Tropical Growing Tips for Papaya
Recommended Varieties
- Red Papaya (bisexual varieties)
- Yellow Pawpaw
- Solo types (Hawaiian, Sunrise)
- Fiji Red
Key Challenges
- Fruit fly
- Root rot in wet season
- Ringspot virus
Pro Tips
- Ideal zone. Plant on mounds for drainage.
- Keep 3-4 plants in rotation as they're short-lived.
- Harvest at first colour change for fruit fly management.
Pests and problems for Papaya in Tropical
- Queensland Fruit Fly Fruit fly Watch
- Phytophthora Root and Stem Rot DRAINAGE. Plant on raised mounds (30-50cm above surrounding grade). Never over-water. Choose well-drained site. Watch
- Papaya Ringspot Virus Control aphids. Use virus-free seed. Tolerant varieties available (e.g., some solo types). Rotate planting sites. Watch
- Root rot Root rot in wet season Watch
Harvesting Papaya
When ready: Skin changes from green to yellow (amount varies by variety). Fruit gives slightly when pressed. Harvest at 1/4 to 1/2 colour change for fruit fly management and ripen indoors.
How to harvest: Twist and pull, or cut stem. Handle carefully. Ripe papaya bruises easily.
Storing and preserving papaya
How to keep it
- Freezing. Peel, deseed, cube. Freeze on tray then bag. Keeps: 6 months.
- Dehydrating. Slice ripe fruit 5mm. Dehydrate at 55°C for 10-14 hours. Keeps: 6-12 months.
- Green papaya salad/pickle. Shred unripe green fruit. Use fresh for Thai som tam or pickle with vinegar, sugar, and chilli. Keeps: 2 weeks refrigerated (pickle).
- Jam. Cook ripe pulp with sugar, lemon juice, and ginger. Jar hot. Keeps: 12 months.
What papaya costs in the shops right now, retailer by retailer, updated daily.
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Common Questions About Papaya
When do you plant papaya in Australia?
It depends on your climate zone, not the calendar month alone. Planting months by zone:
- Tropical (Cairns): Apr to Jun, Sep to Oct
- Subtropical (Brisbane): Sep to Dec
- Warm Temperate (Sydney): Nov to Dec
- Cool Temperate (Melbourne): not recommended
- Cold / Highland (Canberra): not recommended
- Arid / Semi-Arid (Alice Springs): not recommended
- Mediterranean (Perth): Oct to Dec
What else is papaya called?
Papaya is the usual Australian name. Overseas seed packets and recipes call it pawpaw. Same plant, same growing advice.
When should I plant Papaya in Cairns?
Plant seedlings on mounds in the early dry season, or at the start of the build-up with irrigation. Waterlogged soil rots the roots. Trees fruit all year and last two to three years.
How do I know when Papaya are ready to harvest?
Skin changes from green to yellow (amount varies by variety). Fruit gives slightly when pressed. Harvest at 1/4 to 1/2 colour change for fruit fly management and ripen indoors.
What are the best Papaya varieties for Cairns?
Recommended varieties for the Tropical zone include: Red Papaya (bisexual varieties), Yellow Pawpaw, Solo types (Hawaiian, Sunrise), Fiji Red.
What grows well with Papaya?
Good companion plants for Papaya include: Sweet Potato, Banana, Coconut.
Are papaya salt tolerant?
Only a little. Papaya are moderately sensitive to salt, so the harvest drops on salty bore water. Mix salty water with rainwater, and mulch the bed.
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.