When to Plant Sage in Sydney, Warm Temperate Guide

Sow now in Warm Temperate Soil 18.3°C, best 10–25°C

Soil temperature is modelled from Open-Meteo forecast (Sydney), not a live sensor.

What this month normally looks like in Warm Temperate

In October the Warm Temperate zone normally runs 24°C by day and 13°C overnight, with about 66 mm of rain over 7 or 8 wet days. The coldest October night on record across the zone was -1.5°C, so a late frost is not out of the question. Averages 1991 to 2026, 153 postcodes, SILO.

Jump to section
  1. Planting calendar
  2. How to grow
  3. Local tips and varieties
  4. Pests and problems
  5. Harvesting
  6. Storing and preserving
  7. Other zones and related crops
  8. Common questions

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This Sage guide is written for the Warm Temperate zone, which takes in Sydney, Newcastle and Wollongong. Somewhere else? Your postcode picks the right one.

Not your zone? Cairns Brisbane Melbourne Canberra Alice Springs Perth

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

Planting window
Mar to Apr, Sep to Nov
Days to harvest
about 11 weeks
Sun
Full sun
Water
Low
Spacing
50 cm apart
Soil pH
6.0–7.0

Evergreen perennial shrub with soft grey-green aromatic leaves. Essential for stuffings, pork, poultry, and Italian cuisine. Like rosemary, sage is Mediterranean and hates wet feet and humidity.

Sage

Photo: Wikimedia Commons

Planting Calendar for Warm Temperate

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

S = Seed Tray   T = Transplant   D = Direct Sow

Want a nudge when it is sowing time?

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

How to Grow Sage in Warm Temperate Australia

Soil
Well-drained, lean soil. Sandy or gravelly. Does not want rich, wet soil.
Salt
Moderately sensitive. Copes with a little salt, but the harvest drops on salty bore water.
pH Range
6.0-7.0
Sunlight
Full sun. Minimum 6 hours.
Spacing
50cm apart, 60cm between rows
Watering
Low water needs once established. Water young plants regularly until rooted. Allow to dry between waterings.
Good companions
Carrot, Cabbage, Strawberry, Thyme, Broccoli
Keep away from
Basil, Cucumber, Garlic, Gooseberry, Onion, Rue

Members see the exact salt threshold, how much harvest it loses as salt rises, and what to grow instead. See what members get

Warm Temperate Growing Tips for Sage

Recommended Varieties

  • Common sage
  • Purple sage
  • Tricolour sage

Key Challenges

  • Humid coastal summers

Pro Tips

  • Good zone for sage with proper drainage
  • Prune after flowering
  • Reliable perennial

Pests and problems for Sage in Warm Temperate

Members see each pest score and pest risk alerts for your area. See what members get

Browse the full pest library →

Harvesting Sage

When ready: Harvest once plant has multiple stems 15cm+. Evergreen but flavour peaks before flowering.

How to harvest: Snip stem tips above a leaf pair. Never cut into bare wood. Regular light harvesting keeps plant productive.

Storing and preserving sage

How to keep it
  • Drying (excellent). Hang bundles in dark dry place 1-2 weeks. Strip leaves. Sage dries very well. Keeps: 12-18 months.
  • Freezing. Freeze whole leaves flat on trays. Transfer to bags. Drop frozen leaves directly into cooking. Keeps: 6 months.
  • Sage butter. Brown 100g butter, add 20 sage leaves, cook until crispy. Pour over pasta. Or blend sage into softened butter and freeze. Keeps: 3 months frozen.

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What members get

  • Soil and weather from your nearest station
  • An email when it's time to sow
  • Your own garden plan, including planning from a photo
  • Price history and price alerts
  • Pest risk alerts for your area
  • Full salt and canning detail

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Common Questions About Sage

When do you plant sage in Australia?

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

Can you grow sage all year round in Sydney?

No. In the Warm Temperate zone the planting months are Mar to Apr, Sep to Nov. Outside that window it either bolts, sulks or gets cut down by the weather.

When should I plant Sage in Sydney?

A woody perennial, usually planted as cuttings or potted plants. It rots in humid summers, so plant it into sharp drainage.

What soil temperature do Sage need?

Sage germinate best when soil temperature is between 10°C and 25°C.

How do I know when Sage are ready to harvest?

Harvest once plant has multiple stems 15cm+. Evergreen but flavour peaks before flowering.

What are the best Sage varieties for Sydney?

Recommended varieties for the Warm Temperate zone include: Common sage, Purple sage, Tricolour sage.

What grows well with Sage?

Good companion plants for Sage include: Carrot, Cabbage, Strawberry, Thyme, Broccoli.

Are sage salt tolerant?

Only a little. Sage 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 Warm Temperate zone, Sydney is its reference city.