When to Plant Jicama in Canberra, Cold / Highland Guide

Not recommended for the Cold / Highland zone

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. Storing and preserving
  7. Other zones and related crops
  8. Common questions

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This Jicama 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.

Days to harvest
about 39 weeks
Sun
Full sun
Spacing
20 cm apart
Soil pH
Not given by the sources opened.

Jicama (yam bean) is a climbing legume, 2 to 5 m, grown for its crisp sweet tuber (Daleys).

Jicama

Photo: Wikimedia Commons

Planting Calendar for Cold / Highland

Jicama is not recommended for Cold / Highland.

It needs 9 frost-free months for a crop and at least 5 for small tubers, and is killed by frost (Green Harvest). The highland season is too short.

Want a nudge when it is sowing time?

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

How to Grow Jicama in Cold / Highland Australia

Soil
Rich, free draining soil; roots rot in wet ground (Rob Pyne).
Salt
Moderately sensitive. Copes with a little salt, but the harvest drops on salty bore water.
pH Range
Not given by the sources opened.
Sunlight
Full sun, about 9 hours (Rob Pyne).
Spacing
20cm apart, 90cm between rows
Watering
Steady water, never waterlogged (Rob Pyne).
Grow before it
Fruiting crops (Tomato, Capsicum, Zucchini)
Grow after it
Legumes (Beans - Dwarf, Peas, Broad Beans)

Give the bed 3 turns before root crops go back in. Roots fork and go leafy in fresh manure, so they take the bed after the heavy feeders have used it.

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 Jicama

Key Challenges

  • Season too short

Pro Tips

  • Not an outdoor crop

Pests and problems for Jicama 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 Jicama

When ready: Vines yellow after 9 months; small tubers from 4 months (Green Harvest, Rob Pyne).

How to harvest: Dig carefully before frost (Rob Pyne).

Storing and preserving jicama

How to keep it
  • Fresh storage. Keep whole tubers cool and dry; cut pieces in water in the fridge. Keeps: 2-4 weeks.

Members see the price history and price alerts for jicama. See what members get

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 Jicama

When do you plant jicama in Australia?

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

When should I plant Jicama in Canberra?

It needs 9 frost-free months for a crop and at least 5 for small tubers, and is killed by frost (Green Harvest). The highland season is too short.

What soil temperature do Jicama need?

Jicama germinate best when soil temperature is between 21°C and 29°C.

How do I know when Jicama are ready to harvest?

Vines yellow after 9 months; small tubers from 4 months (Green Harvest, Rob Pyne).

Are jicama salt tolerant?

Only a little. Jicama 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.