When to Plant Mandarin 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 Mandarin 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
- Oct to Dec
- Sun
- Full sun
- Soil pH
- 6.0–7.0
- Shop price
- $4.13/kg
Easy-peel citrus that's extremely popular in Australian home gardens. Huge variety range from early to late season, covering harvest from April to November. Imperial is the classic Australian variety.
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 -
- May -
- Jun -
- Jul -
- Aug -
- Sep -
- Oct P
- Nov P
- Dec P
P = Planting window
Plant grafted trees on a mound with the first storms. Tropical mandarins ripen early and may stay green-skinned when ripe; Mareeba and Dimbulah supply the first fruit of the season.
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How to Grow Mandarin in Tropical Australia
- Soil
- Well-drained, slightly acidic. Reasonable tolerance of various soils.
- Salt
- Sensitive. Struggles with salty bore water or salty soil. Give it rainwater if you can.
- pH Range
- 6.0-7.0
- Sunlight
- Full sun. 6+ hours direct.
- Good companions
- Nasturtium, Basil, Garlic, Marigold, Comfrey
- Keep away from
- Grass to trunk
Tropical Growing Tips for Mandarin
Recommended Varieties
- Imperial
- Emperor
- Murcott
- Ellendale
Key Challenges
- Heavy fruit fly pressure
- Thick rind development
- Less sweetness than temperate-grown
Pro Tips
- Mandarins grow fine in tropics but fruit is typically less sweet than from cooler areas.
- Netting essential for fruit fly.
Pests and problems for Mandarin in Tropical
Harvesting Mandarin
When ready: Full colour development (orange). Easy peel test, skin separates easily. Taste test is definitive. Sweeter the longer left on tree (within reason).
How to harvest: Cut with secateurs leaving short stub, or twist-pull gently.
Storing and preserving mandarin
How to keep it
- Juice freezing. Juice and freeze in ice cube trays. Keeps: 12 months.
- Dehydrated slices. Slice 3-4mm, dehydrate at 55°C for 10-12 hours. Keeps: 12 months.
- Segments in syrup. Peel, segment, remove pith. Pack in light sugar syrup in sterilised jars. Water bath 15 minutes. Keeps: 12 months.
- Marmalade. Slice whole fruit, soak overnight, cook with sugar to setting point. Keeps: 12 months.
What mandarin costs in the shops right now, retailer by retailer, updated daily.
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- Soil and weather from your nearest station
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Common Questions About Mandarin
When do you plant mandarin in Australia?
It depends on your climate zone, not the calendar month alone. Planting months by zone:
- Tropical (Cairns): Oct to Dec
- Subtropical (Brisbane): Sep to Nov
- Warm Temperate (Sydney): Mar to Apr, Sep to Nov
- Cool Temperate (Melbourne): Sep to Nov
- Cold / Highland (Canberra): Oct to Nov
- Arid / Semi-Arid (Alice Springs): Mar to Apr, Sep to Oct
- Mediterranean (Perth): Apr to May, Sep to Nov
When should I plant Mandarin in Cairns?
Plant grafted trees on a mound with the first storms. Tropical mandarins ripen early and may stay green-skinned when ripe; Mareeba and Dimbulah supply the first fruit of the season.
How do I know when Mandarin are ready to harvest?
Full colour development (orange). Easy peel test, skin separates easily. Taste test is definitive. Sweeter the longer left on tree (within reason).
What are the best Mandarin varieties for Cairns?
Recommended varieties for the Tropical zone include: Imperial, Emperor, Murcott, Ellendale.
What grows well with Mandarin?
Good companion plants for Mandarin include: Nasturtium, Basil, Garlic, Marigold, Comfrey.
Are mandarin salt tolerant?
No. Mandarin 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.