When to Plant Culantro in Canberra, Cold / Highland Guide

Sow now in Cold / Highland Soil 15.1°C, best 22–28°C. Still too cold.

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

What this month normally looks like in Cold / Highland

In October the Cold / Highland zone normally runs 20°C by day and 7°C overnight, with about 58 mm of rain over 7 or 8 wet days. The coldest October night on record across the zone was -6.4°C, so a late frost is not out of the question. Averages 1991 to 2026, 15 postcodes, SILO.

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

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This Culantro 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.

Planting window
Oct to Jan
Days to harvest
about 10 weeks
Sun
Part shade
Soil pH
6.0–7.5

Eryngium foetidum is culantro, a serrated-leaf culinary herb distinct from common coriander (Coriandrum sativum).

Culantro

Photo: Wikimedia Commons

Planting Calendar for Cold / Highland

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

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 Cold / Highland zone right now, Culantro included, plus which veg has jumped in price at the supermarket. Free, and you can stop it in one click.

How to Grow Culantro in Cold / Highland Australia

Soil
Moist, fertile, organic-rich well-drained loam
Salt
Moderately sensitive. Copes with a little salt, but the harvest drops on salty bore water.
pH Range
6.0-7.5
Sunlight
Partial shade to shade, protected from intense direct sun
Spacing
15-30cm apart, 25cm between rows
Watering
Keep plants moist, and out of full sun and dry spots.
Good companions
Tomato, Capsicum, Coriander, Lemongrass, Ginger

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

Cold / Highland Growing Tips for Culantro

Key Challenges

  • Common Garden Snail: Introduced snail with a tan spiral shell
  • Slugs: Soft-bodied shell-less molluscs that feed at night on seedlings and leafy vegetables
  • Slugs and Snails: Eat young seedlings and tender leaves
  • Root rot and damping off: Plants die in poorly drained or waterlogged soil

Pro Tips

  • Mix organic compost into soil prior to planting; feed monthly with a liquid nitrogen fertiliser to encourage fresh leafy growth
  • Apply a light layer of organic mulch around the plant base to retain moisture and keep roots cool
  • Pinch off central flower stalks as soon as they emerge to prevent bolting and prolong leaf production

Pests and problems for Culantro in Cold / Highland

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

Browse the full pest library →

Harvesting Culantro

When ready: Harvest long serrated leaves once rosettes form 8 to 10 mature, fully open green leaves

How to harvest: Cut individual outer leaves near the base or clip whole rosette above the crown using sharp snips

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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 Culantro

When do you plant culantro in Australia?

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

Can you grow culantro all year round in Canberra?

No. In the Cold / Highland zone the planting months are Jan, Oct to Dec. Outside that window it either bolts, sulks or gets cut down by the weather.

When should I plant Culantro in Canberra?

Start in trays in October to November and plant out in December to January, or sow direct in November to December. Keep it warm and sheltered, and protect it from frost.

What soil temperature do Culantro need?

Culantro germinate best when soil temperature is between 22°C and 28°C.

How do I know when Culantro are ready to harvest?

Harvest long serrated leaves once rosettes form 8 to 10 mature, fully open green leaves

What grows well with Culantro?

Good companion plants for Culantro include: Tomato, Capsicum, Coriander, Lemongrass, Ginger.

Are culantro salt tolerant?

Only a little. Culantro 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 Cold / Highland zone, Canberra is its reference city.