When to Plant Lemon Balm in Brisbane, Subtropical Guide
Sow August to November. Right now in September you can sow.
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 Balm guide is written for the Subtropical zone, which takes in Brisbane, the Gold Coast and the Sunshine Coast. Somewhere else? Your postcode picks the right one.
Not your zone? Cairns Sydney Melbourne Canberra Alice Springs Perth
Also handy: will it frost this week? and what grows in shade.
Photo: Wikimedia Commons
A vigorous perennial herb with lemon-scented leaves related to mint. Easy to grow, spreads by runners and self-seeding. Can become invasive like mint. Mainly used for herbal teas, salads, and desserts. Tolerant of shade and a wide range of conditions. One of the most beginner-friendly herbs.
Planting Calendar for Subtropical
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| - | - | - | - | - | - | - | S | S/T/D | S/T/D | T/D | - |
S = Seed Tray T = Transplant D = Direct Sow
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Current Growing Conditions
Soil temperature: 20.4°C (optimal range: 10–25°C) ✓ Ready to plant
That figure is read off my own weather station here at Dayboro in South East Queensland at 18:55 yesterday, not a model. The radar, the rain gauge and the forecasts behind it sit on Dayboro.au.
How to Grow Lemon Balm in Subtropical Australia
When to Plant
Plant year-round. Best Mar-May or Aug-Oct.
- Soil
- Any reasonable soil with organic matter. Tolerates most conditions.
- pH Range
- 6.0-7.5
- Sunlight
- Full sun to part shade. Tolerates more shade than most herbs.
- Spacing
- 30cm apart, 45cm between rows
- Watering
- Regular watering for best growth. Tolerates some drought once established.
Companion plants: Most vegetables and herbs, Fruit trees
Subtropical Growing Tips for Lemon Balm
Recommended Varieties
- Standard Melissa officinalis
- Gold-leaf variety
Key Challenges
- Can become invasive
- Summer humidity causes mildew
Pro Tips
- Grow in pot or contained bed
- Cut back 2-3 times per season
- Excellent in part shade
Harvesting Lemon Balm
When ready: Harvest once plant is 20cm+ tall. Best flavour before flowering.
How to harvest: Cut stems 5cm above ground. Entire plant can be cut to ground 3-4 times per season.
Common Lemon Balm Pests in Subtropical Zones
Organic prevention: Good air circulation. Avoid overfertilising.
Where to next
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Open the planting dashboard Join Garden BuddyCommon Questions About Lemon Balm
When do you plant lemon balm in Australia?
It depends on your climate zone, not the calendar month alone. Planting months by zone:
- Tropical (Cairns): May to Jul
- Subtropical (Brisbane): Aug to Nov
- Warm Temperate (Sydney): Jan to Feb, Aug to Dec
- Cool Temperate (Melbourne): Jan to Feb, Aug to Dec
- Cold / Highland (Canberra): Jan, Sep to Dec
- Arid / Semi-Arid (Alice Springs): May to Jul
- Mediterranean (Perth): Jan to Feb, Aug to Dec
Does lemon balm grow all year round in Brisbane?
No. In the Subtropical zone the planting months are Aug to Nov. 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 Subtropical zone, Brisbane is its reference city.