When to Plant Rosemary in Brisbane, Subtropical Guide

Sow September to October. 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 Rosemary 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.

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 Subtropical

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

S = Seed Tray   T = Transplant   D = Direct Sow

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

One email a week with what is worth planting in the Subtropical 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: 20.4°C (optimal range: 15–20°C) ✗ Outside optimal range

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 Rosemary in Subtropical Australia

When to Plant

Plant Mar-Jun and Aug-Oct. Avoid wet summer planting.

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)

Subtropical Growing Tips for Rosemary

Recommended Varieties

  • Tuscan Blue
  • Prostrate
  • Common rosemary

Key Challenges

  • Wet summers cause root rot and dieback
  • Humidity reduces vigour

Pro Tips

  • Raised bed with 50% sand/gravel mix
  • North-facing position with maximum airflow
  • Prune regularly for air circulation

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.

Common Rosemary Pests in Subtropical Zones

Scale Insects and Aphids, risk: MODERATE (score: 51/100)

Organic prevention: Good air circulation.

View all pest alerts →

Where to next

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

Also worth sowing in the subtropical zone this September: Lemongrass, Ginger, Beetroot and Chilli Peppers.

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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 Brisbane?

No. In the Subtropical zone the planting months are Sep to Oct. 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.