When to Plant Lemon in Cairns, Tropical Guide

Plant year round in Cairns. That includes right now, in September.

Published · Last reviewed · By Garden Buddy
Growing advice is reviewed by hand. Planting dates, current conditions and prices on this page update daily.

This Lemon 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.

Lemon

Photo: Wikimedia Commons

The most widely grown backyard fruit tree in Australia. Tough, productive, and fruits nearly year-round in warm climates. Eureka and Lisbon are the main varieties; Meyer is a lemon-orange hybrid (easier to grow but less acidic). A single grafted tree on dwarfing rootstock fits any suburban garden and produces more lemons than most families can use. Grafted trees fruit in 2-3 years.

Best Planting Window for Tropical

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
P P P P P P P P P P P P

P = Planting window

Plant anytime. Year-round cropping in tropics.

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How to Grow Lemon in Tropical Australia

When to Plant

Plant anytime. Year-round cropping in tropics.

Soil
Well-drained, slightly acidic to neutral. Tolerates most soils except heavy waterlogged clay. Add gypsum to clay soils.
pH Range
6.0-7.0
Sunlight
Full sun, minimum 6 hours. More sun = more fruit.

Companion plants: Nasturtium, Comfrey, Marigold, Chives

Avoid planting near: Grass right to trunk

Tropical Growing Tips for Lemon

Recommended Varieties

  • Eureka
  • Lisbon
  • Meyer
  • Yen Ben

Key Challenges

  • Citrus leafminer year-round
  • Higher disease pressure
  • Less distinct fruiting seasons

Pro Tips

  • Lemons grow easily in tropics. Eureka is a year-round producer.
  • Leafminer management on young trees only.

Harvesting Lemon

When ready: Skin turns fully yellow. Fruit feels heavy and gives slightly when squeezed. Lemons can hang on tree for months, getting larger (eventually lose acidity if left too long).

How to harvest: Cut with secateurs or twist-pull. Don't tear bark.

Where to next

What lemon costs in the shops right now, retailer by retailer, updated daily.

Also worth sowing in the tropical zone this September: Lemongrass, Ginger, Cucumber and Basil.

The pest most likely to find your lemon: Possums (Common Brushtail, Ringtail).

Supermarket Price

Current average retail: $11.00/kg (12-month range: $5.99–$13.00)

Grow your own and save on grocery bills.

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Common Questions About Lemon

When do you plant lemon in Australia?

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

Does lemon grow all year round in Cairns?

Yes, every month is on the calendar for the Tropical zone, though not every month is equally easy. Plant anytime. Year-round cropping in tropics.

Which zone am I in?

Type your postcode into the box under the heading and the page 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.