When to Plant Mandarin in Cairns, Tropical Guide

Plant now in Tropical
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.

Jump to section
  1. Planting calendar
  2. How to grow
  3. Local tips and varieties
  4. Pests and problems
  5. Harvesting
  6. Storing and preserving
  7. Other zones and related crops
  8. Common questions

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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.

Mandarin

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

Members see the exact salt threshold, how much harvest it loses as salt rises, and what to grow instead. See what members get

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

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Browse the full pest library →

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.

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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

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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:

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.