When to Plant Lemon Balm in Melbourne — Cool Temperate Guide

Lemon Balm

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
S/T/D T S S/T/D S/T/D S/T/D S/T/D

S = Seed Tray   T = Transplant   D = Direct Sow

Current Growing Conditions

Soil temperature: 21.9°C (optimal range: 10–25°C) ✓ Ready to plant

How to Grow Lemon Balm in Cool Temperate Australia

When to Plant

Plant Sep-Nov. Dies back in winter.

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

Cool Temperate Growing Tips for Lemon Balm

Recommended Varieties

  • Standard Melissa officinalis

Key Challenges

  • Winter dormancy

Pro Tips

  • Perfectly suited to this zone
  • Mulch crown lightly in winter

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 Cool Temperate Zones

Aphids and Powdery Mildew — Risk: LOW (score: 36/100)

Organic prevention: Good air circulation. Avoid overfertilising.

View all pest alerts →

Get the Full Interactive Guide

Open the interactive planting dashboard with real-time weather, all pest alerts, and garden tracking.

Join Garden Buddy for premium features: disease management, seed saving, preservation guides,.