When to Plant Lime 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 Lime 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
- $17.25/kg at one shop
The most frost-sensitive common citrus.
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 slight mound as the wet opens; limes will not tolerate waterlogging. Tahitian limes crop mainly from October to March.
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How to Grow Lime in Tropical Australia
- Soil
- Well-drained, rich in organic matter. Slightly acidic preferred.
- 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, protected from cold winds. Warmest position in garden.
- Good companions
- Nasturtium, Basil, Chives, Garlic, Comfrey
- Keep away from
- Cold exposed positions
Tropical Growing Tips for Lime
Recommended Varieties
- Tahitian (seedless, main crop)
- Key/Mexican (aromatic, small fruit)
- Kaffir/Makrut (leaf and zest use)
- Finger Lime varieties
Key Challenges
- Citrus leafminer
- Disease in wet season
Pro Tips
- Ideal lime climate. All types thrive.
- Key lime produces best flavour in tropical conditions.
- Finger lime is native to QLD rainforests, perfectly adapted.
Pests and problems for Lime in Tropical
Harvesting Lime
When ready: Tahitian: pick when bright green and full-sized (turning yellow means over-ripe). Key lime: pick when pale green to yellow. Finger lime: pick when full-sized and slightly soft at ends.
How to harvest: Cut with secateurs. Handle gently.
Storing and preserving lime
How to keep it
- Juice freezing. Juice and freeze in ice cube trays. Keeps: 12 months.
- Zest drying. Zest finely, air dry, store in jar. Keeps: 6 months.
- Finger lime freezing. Freeze whole finger limes. Slice frozen and scoop vesicles. They maintain shape better from frozen. Keeps: 12 months.
- Lime pickle (Indian style). Quarter limes, pack with salt, spices (turmeric, chilli, mustard seeds), and oil. Mature 4 weeks. Keeps: 12 months.
What lime costs in the shops right now, retailer by retailer, updated daily.
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
Common Questions About Lime
When do you plant lime 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): Sep to Nov
- Cool Temperate (Melbourne): Oct to Nov
- Cold / Highland (Canberra): Nov
- Arid / Semi-Arid (Alice Springs): Sep to Oct
- Mediterranean (Perth): Apr to May, Sep to Nov
When should I plant Lime in Cairns?
Plant grafted trees on a slight mound as the wet opens; limes will not tolerate waterlogging. Tahitian limes crop mainly from October to March.
How do I know when Lime are ready to harvest?
Tahitian: pick when bright green and full-sized (turning yellow means over-ripe). Key lime: pick when pale green to yellow. Finger lime: pick when full-sized and slightly soft at ends.
What are the best Lime varieties for Cairns?
Recommended varieties for the Tropical zone include: Tahitian (seedless, main crop), Key/Mexican (aromatic, small fruit), Kaffir/Makrut (leaf and zest use), Finger Lime varieties.
What grows well with Lime?
Good companion plants for Lime include: Nasturtium, Basil, Chives, Garlic, Comfrey.
Are lime salt tolerant?
No. Lime 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.