When to Plant Mulberry 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.

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  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 Mulberry 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 to part shade
Soil pH
5.5–7.5

Possibly the easiest fruit tree to grow in Australia. Virtually indestructible, tolerates poor soil, drought, neglect, and a wide climate range. Black mulberry (M. nigra) produces the best-flavoured fruit.

Mulberry

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 marcotted trees at the start of the wet. The main crop comes in the late dry and build-up, with a smaller flush after rain or pruning.

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How to Grow Mulberry in Tropical Australia

Soil
Tolerates almost anything including heavy clay, sand, and poor soils. Performs best in well-drained fertile soil but genuinely undemanding.
Salt
Sensitive. Struggles with salty bore water or salty soil. Give it rainwater if you can.
pH Range
5.5-7.5
Sunlight
Full sun for best fruit. Tolerates part shade.
Good companions
Anything, mulberries are not fussy
Keep away from
Paths, driveways, clotheslines, swimming pools (staining), Anything you don't want purple-stained

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 Mulberry

Recommended Varieties

  • Black English (M. nigra)
  • White Shahtoot (M. alba, long sweet fruit)
  • Hicks Fancy

Key Challenges

  • Minimal, mulberries are tough
  • Fruit fly moderate concern

Pro Tips

  • Grows vigorously. Prune to control size.
  • Shahtoot produces sweet elongated white fruit popular in tropical areas.

Pests and problems for Mulberry in Tropical

Members see each pest score and pest risk alerts for your area. See what members get

Browse the full pest library →

Harvesting Mulberry

When ready: Black mulberry: fully black-purple and soft. White/Shahtoot: pale pink to white and sweet. Ripe fruit falls at a touch. Lay a clean sheet under the tree and shake branches.

How to harvest: Shake branches over a sheet or pick individually. Wear old clothes, staining is inevitable.

Storing and preserving mulberry

How to keep it
  • Freezing. Spread on tray, freeze, bag. Best preservation method for mulberries. Keeps: 12 months.
  • Dehydrating. Spread on trays, dehydrate at 55°C for 12-18 hours. Keeps: 12 months.
  • Jam. Simmer with sugar (1:1) and lemon juice to setting point. Jar hot. Keeps: 12 months.
  • Syrup. Simmer berries in water, strain, add sugar, reduce to syrup. Bottle. Keeps: 6 months refrigerated.
  • Wine. Ferment juice with sugar and wine yeast. Traditional use. Keeps: Years.

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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 Mulberry

When do you plant mulberry in Australia?

It depends on your climate zone, not the calendar month alone. Planting months by zone:

When should I plant Mulberry in Cairns?

Plant marcotted trees at the start of the wet. The main crop comes in the late dry and build-up, with a smaller flush after rain or pruning.

How do I know when Mulberry are ready to harvest?

Black mulberry: fully black-purple and soft. White/Shahtoot: pale pink to white and sweet. Ripe fruit falls at a touch. Lay a clean sheet under the tree and shake branches.

What are the best Mulberry varieties for Cairns?

Recommended varieties for the Tropical zone include: Black English (M. nigra), White Shahtoot (M. alba, long sweet fruit), Hicks Fancy.

What grows well with Mulberry?

Good companion plants for Mulberry include: Anything, mulberries are not fussy.

Are mulberry salt tolerant?

No. Mulberry 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.