When to Plant Rutabaga in Melbourne, Cool Temperate Guide

Also called swede.

Sow now in Cool Temperate Soil 18.6°C, best 7–25°C

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

What this month normally looks like in Cool Temperate

In October the Cool Temperate zone normally runs 19°C by day and 8°C overnight, with about 67 mm of rain over 9 or 10 wet days. The coldest October night on record across the zone was -3.0°C, so a late frost is not out of the question. Averages 1991 to 2026, 28 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. Grow vs buy
  8. Other zones and related crops
  9. Common questions

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This Rutabaga guide is written for the Cool Temperate zone, which takes in Melbourne, Hobart and Geelong. Somewhere else? Your postcode picks the right one.

Not your zone? Cairns Brisbane Sydney Canberra Alice Springs Perth

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

Planting window
Sep to May
Days to harvest
about 13 weeks
Sun
Full sun
Water
Regular
Spacing
20 cm apart
Soil pH
6.0–7.5
Shop price
$7.50/kg at one shop

Swedes (known as rutabagas in North America) are a large, slow-growing root crop with yellow-orange flesh and a sweet, earthy flavour that improves after frost.

Rutabaga

Photo: Wikimedia Commons

Planting Calendar for Cool Temperate

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

How to Grow Rutabaga in Cool Temperate Australia

Soil
Deep, fertile, well-drained loam enriched with well-rotted compost. Avoid acid soils prone to clubroot. Remove stones which cause misshapen roots.
Salt
Moderately sensitive. Copes with a little salt, but the harvest drops on salty bore water.
pH Range
6.0-7.5
Sunlight
Full sun
Spacing
20cm apart, 40cm between rows
Watering
Consistent deep watering throughout growth. Irregular watering causes woody, fibrous roots and can lead to splitting. Water deeply once or twice weekly.
Good companions
Nasturtium (trap crop), Dwarf Beans, Onion, Chives, Peas
Keep away from
Strawberry
Grow before it
Legumes (Beans - Dwarf, Peas, Broad Beans)
Grow after it
Fruiting crops (Tomato, Capsicum, Zucchini)

Give the bed 3 turns before brassicas go back in. The cabbage family is hungry for nitrogen and shares club root and other soil diseases.

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

Cool Temperate Growing Tips for Rutabaga

Recommended Varieties

  • Purple Top
  • Altasweet
  • Laurentian
  • Virtue

Key Challenges

  • Clubroot in acidic soils
  • Flea beetle in warm months
  • Brown heart in deficient soils

Pro Tips

  • This is swede's ideal climate in Australia
  • Sow in December-January for the largest roots before winter
  • Leave in ground through frosts for sweetest flavour

Pests and problems for Rutabaga in Cool Temperate

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

Browse the full pest library →

Harvesting Rutabaga

When ready: Roots are 8-12cm diameter, with purple/green shoulders visible above soil. Harvest after first frost for sweetest flavour. Roots become woody if left too long (larger than 15cm).

How to harvest: Loosen soil alongside root with a fork. Lift gently. Trim foliage to 2cm. Brush off soil. Do not wash until ready to use.

Storing and preserving rutabaga

How to keep it
  • Root Cellar / Sand Storage. Twist off tops (do not cut). Layer in damp sand in wooden boxes. Store at 1-4C in dark conditions. Keeps: 3-5 months.
  • Freezing. Peel and dice into 2cm cubes. Blanch 3 minutes in boiling water. Ice bath, drain. Freeze on trays then bag. Alternatively, cook and mash, then freeze in portions. Keeps: 10-12 months.
  • Dehydrating. Peel and slice or dice thinly. Blanch 3 minutes. Dehydrate at 55C for 10-14 hours until crisp. Store in airtight jars. Keeps: 12 months.
  • In-Ground Storage. Leave roots in ground and harvest as needed through winter. Apply 10cm mulch for frost insulation. Best preservation method for fresh quality. Keeps: 3-4 months in ground.

Grow vs buy

A 2.4 m × 1.2 m bed fits 12 plants, about $45 worth at today’s Coles prices, checked today.

That is roughly 6 kg at $7.50 a kilo.

Draw your rutabaga bed → No account needed.

Members see the price history and price alerts for rutabaga. 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 Rutabaga

When do you plant rutabaga in Australia?

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

Can you grow rutabaga all year round in Melbourne?

No. In the Cool Temperate zone the planting months are Jan to May, Sep to Dec. Outside that window it either bolts, sulks or gets cut down by the weather.

What else is rutabaga called?

Rutabaga is the usual Australian name. Overseas seed packets and recipes call it swede. Same plant, same growing advice.

When should I plant Rutabaga in Melbourne?

Sow from September to April, direct or in punnets, and start harvesting from 12 weeks. The long cool autumn and winter suit swedes well.

What soil temperature do Rutabaga need?

Rutabaga germinate best when soil temperature is between 7°C and 25°C.

How do I know when Rutabaga are ready to harvest?

Roots are 8-12cm diameter, with purple/green shoulders visible above soil. Harvest after first frost for sweetest flavour. Roots become woody if left too long (larger than 15cm).

What are the best Rutabaga varieties for Melbourne?

Recommended varieties for the Cool Temperate zone include: Purple Top, Altasweet, Laurentian, Virtue.

What grows well with Rutabaga?

Good companion plants for Rutabaga include: Nasturtium, Dwarf Beans, Onion, Chives, Peas.

Are rutabaga salt tolerant?

Only a little. Rutabaga 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 Cool Temperate zone, Melbourne is its reference city.