When to Plant Thyme in Melbourne, Cool Temperate Guide
Soil temperature is modelled from Open-Meteo forecast (Melbourne), not a live sensor.
What this month normally looks like in Cool Temperate
In October the Cool Temperate zone normally runs 19°C by day and 8°C overnight, with about 67 mm of rain over 9 or 10 wet days. The coldest October night on record across the zone was -3.0°C, so a late frost is not out of the question. Averages 1991 to 2026, 28 postcodes, SILO.
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This Thyme guide is written for the Cool Temperate zone, which takes in Melbourne, Hobart and Geelong. Somewhere else? Your postcode picks the right one.
Not your zone? Cairns Brisbane Sydney Canberra Alice Springs Perth
Also handy: will it frost this week? and what grows in shade.
- Planting window
- Sep to Dec
- Days to harvest
- about 13 weeks
- Sun
- Full sun
- Spacing
- 25 cm apart
- Soil pH
- 6.0–8.0
Low-growing Mediterranean perennial subshrub with tiny aromatic leaves. Common/garden thyme (T. vulgaris) is the culinary standard; lemon thyme (T. x citriodorus) adds citrus notes.
Published · By GardenBuddy.au
Planting dates, current conditions and prices on this page update daily.
Photo: Wikimedia Commons
Planting Calendar for Cool Temperate
- Jan -
- Feb -
- Mar -
- Apr -
- May -
- Jun -
- Jul -
- Aug -
- Sep S/D
- Oct S/T/D
- Nov S/T/D
- Dec T
S = Seed Tray T = Transplant D = Direct Sow
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How to Grow Thyme in Cool Temperate Australia
- Soil
- Well-drained, lean, sandy or gravelly soil. Does NOT want rich soil.
- Salt
- Moderately sensitive. Copes with a little salt, but the harvest drops on salty bore water.
- pH Range
- 6.0-8.0
- Sunlight
- Full sun. Maximum sun = maximum essential oil = maximum flavour.
- Spacing
- 25cm apart, 30cm between rows
- Watering
- Minimal once established. Water young plants until rooted. Overwatering is the primary killer.
- Good companions
- Tomato, Cabbage, Strawberry, Broccoli, Lavender
- Keep away from
- Basil (different water needs), Mint
Cool Temperate Growing Tips for Thyme
Recommended Varieties
- Common thyme
- Lemon thyme
- Creeping thyme
Key Challenges
- Wet cold winters can rot crowns
Pro Tips
- Excellent zone overall
- Gravel mulch around crown for winter
- Very cold hardy once established
Pests and problems for Thyme in Cool Temperate
Harvesting Thyme
When ready: Harvest from established plants (3+ months). Evergreen. Best flavour just before flowering.
How to harvest: Snip stem tips. Never cut into old woody growth, it won't regenerate. Always cut above green leafy growth.
Storing and preserving thyme
How to keep it
- Drying (excellent). Hang bundles 1-2 weeks. Strip leaves. Thyme is one of the best herbs for drying, retains most flavour. Keeps: 12-18 months.
- Freezing. Freeze whole sprigs in bags. Strip leaves from frozen stems directly into cooking. Keeps: 6 months.
- Bouquet garni (freezing). Bundle thyme, parsley, and bay leaf. Tie with string. Freeze bundles individually. Drop frozen into soups and stews. Keeps: 6 months.
- Thyme-infused honey. Pack fresh thyme sprigs into warm (not hot) honey. Seal for 2 weeks. Strain. Excellent for tea, cheese, and sore throats. Keeps: 12 months.
What thyme costs in the shops right now, retailer by retailer, updated daily.
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- Soil and weather from your nearest station
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Common Questions About Thyme
When do you plant thyme in Australia?
It depends on your climate zone, not the calendar month alone. Planting months by zone:
- Tropical (Cairns): Apr to Jun
- Subtropical (Brisbane): Mar to Jun, Aug to Oct
- Warm Temperate (Sydney): Mar to Apr, Aug to Nov
- Cool Temperate (Melbourne): Sep to Dec
- Cold / Highland (Canberra): Sep to Dec
- Arid / Semi-Arid (Alice Springs): Mar to May, Aug to Oct
- Mediterranean (Perth): Mar to May, Aug to Nov
Can you grow thyme all year round in Melbourne?
No. In the Cool Temperate zone the planting months are Sep to Dec. Outside that window it either bolts, sulks or gets cut down by the weather.
When should I plant Thyme in Melbourne?
A hardy woody perennial. Plant in spring in a sunny, well-drained spot and pick all year.
What soil temperature do Thyme need?
Thyme germinate best when soil temperature is between 15°C and 25°C.
How do I know when Thyme are ready to harvest?
Harvest from established plants (3+ months). Evergreen. Best flavour just before flowering.
What are the best Thyme varieties for Melbourne?
Recommended varieties for the Cool Temperate zone include: Common thyme, Lemon thyme, Creeping thyme.
What grows well with Thyme?
Good companion plants for Thyme include: Tomato, Cabbage, Strawberry, Broccoli, Lavender.
Are thyme salt tolerant?
Only a little. Thyme are moderately sensitive to salt, so the harvest drops on salty bore water. Mix salty water with rainwater, and mulch the bed.
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 Cool Temperate zone, Melbourne is its reference city.