When to Plant Rosemary in Canberra, Cold / Highland Guide

Sow October to December. Right now in September it is out of season. The next sowing month is October.

This Rosemary guide is written for the Cold / Highland zone, which takes in Canberra, Cooma and Bright. Somewhere else? Your postcode picks the right one.

Not your zone? Cairns Brisbane Sydney Melbourne Alice Springs Perth

Also handy: will it frost this week? and what grows in shade.

Rosemary

Photo: Wikimedia Commons

Iconic Mediterranean evergreen shrub with intensely aromatic needle-like leaves. Extremely drought-tolerant once established. HATES wet feet and humidity. Root rot kills more rosemary in Australia than anything else. Forms a woody shrub 1-1.5m tall. Long-lived (10+ years) in suitable conditions. Upright and prostrate forms available.

Planting Calendar for Cold / Highland

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
- - - - - - - - - D D D

S = Seed Tray   T = Transplant   D = Direct Sow

Want a nudge when it is Rosemary sowing time in Canberra?

One email a week with what is worth planting in the Cold / Highland zone right now, Rosemary included, plus which veg has jumped in price at the supermarket. Free, and you can stop it in one click.

Current Growing Conditions

Soil temperature: 11.2°C (optimal range: 15–20°C) ✗ Outside optimal range

Modelled from Open-Meteo forecast (Canberra), not a live sensor.

How to Grow Rosemary in Cold / Highland Australia

When to Plant

Plant Oct-Nov.

Soil
Well-drained, lean, slightly alkaline soil. Sandy or gravelly. Does NOT want rich soil.
pH Range
6.5-7.5
Sunlight
Full sun. Minimum 6 hours. More = better.
Spacing
100cm apart, 120cm between rows
Watering
Minimal once established. Water young plants weekly until rooted. Established plants need almost no supplementary water in temperate zones. OVERWATERING KILLS ROSEMARY.

Companion plants: Sage, Thyme, Lavender, Beans, Cabbage, Carrot

Avoid planting near: Mint, Basil (different water needs)

Cold / Highland Growing Tips for Rosemary

Recommended Varieties

  • Arp (hardiest variety)
  • Common rosemary in sheltered spots

Key Challenges

  • Hard frosts can kill plants
  • Wet cold soil

Pro Tips

  • Sheltered north-facing position essential
  • Pot culture allows bringing under cover in severe cold
  • Mulch base with gravel not organic matter

Harvesting Rosemary

When ready: Harvest from established plants (6+ months old). Evergreen, available year-round.

How to harvest: Snip 10-15cm stem tips. Never cut into old leafless wood, it won't regrow. Always cut above green growth.

Where to next

What rosemary costs in the shops right now, retailer by retailer, updated daily.

Also worth sowing in the cold and highland zone this September: Sweet Corn, Beetroot, Chilli Peppers and Snow Peas.

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Common Questions About Rosemary

When do you plant rosemary in Australia?

It depends on your climate zone, not the calendar month alone. Planting months by zone:

Does rosemary grow all year round in Canberra?

No. In the Cold / Highland zone the planting months are Oct to Dec. 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 Cold / Highland zone, Canberra is its reference city.