When to Plant Oregano in Cairns, Tropical Guide
Sow April to August. Right now in September it is out of season. The next sowing month is April.
Published · Last reviewed · By Garden Buddy
Growing advice is reviewed by hand. Planting dates, current conditions and prices on this page update daily.
This Oregano 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.
Photo: Wikimedia Commons
Hardy perennial Mediterranean herb essential to Italian, Greek and Mexican cuisines. Oregano's flavour intensifies when dried. One of the few herbs where dried can be better than fresh. Drought-tolerant, heat-loving, hates wet feet.
Planting Calendar for Tropical
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| - | - | - | S | S/T/D | S/T/D | S/T/D | T | - | - | - | - |
S = Seed Tray T = Transplant D = Direct Sow
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Current Growing Conditions
Soil temperature: 21.4°C (optimal range: 18–25°C) ✓ Ready to plant
Modelled from Open-Meteo forecast (Cairns), not a live sensor.
How to Grow Oregano in Tropical Australia
When to Plant
Plant dry season (Apr-Sep).
- Soil
- Well-drained, lean soil. Excess fertility reduces flavour.
- pH Range
- 6.0-8.0
- Sunlight
- Full sun. Maximum sun = maximum flavour.
- Spacing
- 30cm apart, 45cm between rows
- Watering
- Low water once established. Overwatering is the #1 killer.
Companion plants: Tomato, Capsicum, Basil, Rosemary, Thyme
Avoid planting near: Mint
Tropical Growing Tips for Oregano
Recommended Varieties
- Greek oregano (most heat tolerant)
Key Challenges
- Root rot from humidity
- Reduced flavour in humid conditions
Pro Tips
- Terracotta pots with sandy mix
- Maximum drainage
- Elevated position
Harvesting Oregano
When ready: Harvest once bushy and 15cm+ tall. Best flavour just before flowering.
How to harvest: Cut stems above a leaf pair. Take up to 2/3 of plant in peak season.
Where to next
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Open the planting dashboard Join Garden BuddyCommon Questions About Oregano
When do you plant oregano in Australia?
It depends on your climate zone, not the calendar month alone. Planting months by zone:
- Tropical (Cairns): Apr to Aug
- Subtropical (Brisbane): Jan to May, Aug to Dec
- Warm Temperate (Sydney): Jan, Sep to Dec
- Cool Temperate (Melbourne): Jan, Sep to Dec
- Cold / Highland (Canberra): Jan, Oct to Dec
- Arid / Semi-Arid (Alice Springs): Jan to Apr, Aug to Dec
- Mediterranean (Perth): Jan, Sep to Dec
Does oregano grow all year round in Cairns?
No. In the Tropical zone the planting months are Apr to Aug. Outside that window it either bolts, sulks or gets cut down by the weather.
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.