When to Plant Caraway in Cairns, Tropical Guide

Out of season. Next window opens in April Soil 24.7°C, best 18–22°C. Too warm for it.

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

What this month normally looks like in Tropical

In October the Tropical zone normally runs 34°C by day and 23°C overnight, with about 53 mm of rain over 5 or 6 wet days. Averages 1991 to 2026, 37 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 Caraway guide is written for the Tropical zone, which takes in Cairns, Townsville and Darwin. Somewhere else? Your postcode picks the right one.

Not your zone? Brisbane Sydney Melbourne Canberra Alice Springs Perth

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

Planting window
Apr to Jul
Days to harvest
about 12 weeks
Sun
Full sun to part shade
Spacing
25 cm apart
Soil pH
6.5–7.0

Caraway is a hardy biennial seed herb in the Carrot family. It grows leaves and an edible taproot in the first season and flowers and sets seed in the second summer after a winter (Happy Valley, The Seed Collection).

Caraway

Photo: Wikimedia Commons

Planting Calendar for Tropical

  • Jan -
  • Feb -
  • Mar -
  • Apr D
  • May D
  • Jun D
  • Jul D
  • Aug -
  • Sep -
  • Oct -
  • Nov -
  • 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 Tropical zone right now, Caraway included, plus which veg has jumped in price at the supermarket. Free, and you can stop it in one click.

How to Grow Caraway in Tropical Australia

Soil
Well drained fertile soil (Green Harvest), kept moist (The Seed Collection).
Salt
Moderately sensitive. Copes with a little salt, but the harvest drops on salty bore water.
pH Range
6.5-7.0
Sunlight
Full sun to partial shade (Eden Seeds, Green Harvest).
Spacing
25cm apart, 45cm between rows
Watering
Even watering (Green Harvest).
Good companions
Peas

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Tropical Growing Tips for Caraway

Key Challenges

  • Humid wet season
  • No cool winter for seed set

Pro Tips

  • Sow at the start of the dry season
  • Pick leaves and roots, treat seed as a bonus

Pests and problems for Caraway in Tropical

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Browse the full pest library →

Harvesting Caraway

When ready: Leaves from 10 to 12 weeks (Happy Valley). Seed ripens about a month after flowering, when plump and light brown (Happy Valley) or rich deep brown (Green Harvest).

How to harvest: Cut whole seed heads, hang upside down in a paper bag, then thresh (Green Harvest, Happy Valley). Dig roots in the first autumn or winter (The Seed Collection).

Storing and preserving caraway

How to keep it
  • Drying seed. Hang seed heads in a paper bag with holes until the seed drops (NCHFP). Keeps: 1 to 3 years airtight.
  • Freezing leaves. Chop and freeze in ice cube trays (NCHFP). Keeps: 6 months.

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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 Caraway

When do you plant caraway in Australia?

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

Can you grow caraway all year round in Cairns?

No. In the Tropical zone the planting months are Apr to Jul. Outside that window it either bolts, sulks or gets cut down by the weather.

When should I plant Caraway in Cairns?

You might be able to grow it here under the right conditions. Green Harvest says it is unlikely to do well in the tropics and prefers cooler climates. Eden Seeds gives April to July for the tropics, the dry season. Grow it for leaves and roots; seed needs a cool winter it may not get.

What soil temperature do Caraway need?

Caraway germinate best when soil temperature is between 18°C and 22°C.

How do I know when Caraway are ready to harvest?

Leaves from 10 to 12 weeks (Happy Valley). Seed ripens about a month after flowering, when plump and light brown (Happy Valley) or rich deep brown (Green Harvest).

What grows well with Caraway?

Good companion plants for Caraway include: Peas.

Are caraway salt tolerant?

Only a little. Caraway 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 Tropical zone, Cairns is its reference city.