When to Plant Pumpkin in Canberra, Cold / Highland Guide

Sow now in Cold / Highland Soil 15.1°C, best 18–35°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. Storing and preserving
  7. Grow vs buy
  8. Other zones and related crops
  9. Common questions

Add to my garden

This Pumpkin 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 Dec
Days to harvest
about 14 weeks
Sun
Full sun
Spacing
150 cm apart
Soil pH
6.0–7.0
Shop price
$2.50/kg at one shop

Pumpkins are warm-season cucurbits central to Australian food culture. Three species are commonly grown: C. maxima (Queensland Blue, Jarrahdale), C. moschata (Butternut), and C. pepo (Golden Nugget).

Pumpkin

Photo: Wikimedia Commons

Planting Calendar for Cold / Highland

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

How to Grow Pumpkin in Cold / Highland Australia

Soil
Deep, fertile, well-drained soil enriched heavily with compost and aged manure. Traditionally grown on old compost heaps.
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 daily)
Spacing
150cm apart, 200cm between rows
Watering
Deep watering 2-3 times per week at base of plant. Avoid wetting leaves. Reduce watering as fruit matures to concentrate flavour and improve storage life.
Good companions
NZ Spinach (as ground cover beneath tall crops), Nasturtium, Sweet Corn, Marigold, Sunflower
Keep away from
Egyptian Spinach, Potato
Grow before it
Leafy greens and brassicas (Lettuce, Silverbeet, Broccoli)
Grow after it
Roots and alliums (Carrot, Beetroot, Onion)

Give the bed 3 turns before cucurbits go back in. Pumpkin, cucumber and zucchini want a bed with fresh compost dug through.

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 Pumpkin

Recommended Varieties

  • Golden Nugget (bush)
  • Baby Blue (bush)

Key Challenges

  • Very short frost-free season
  • Large varieties unlikely to mature

Pro Tips

  • Golden Nugget (90 days) safest choice
  • Greenhouse start essential
  • Queensland Blue (120+ days) unlikely to mature

Pests and problems for Pumpkin 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 Pumpkin

When ready: Skin hard (cannot dent with thumbnail), stem dry and corky, fruit sounds hollow when tapped.

How to harvest: Cut stem with sharp knife leaving 5-10cm stem attached. Do not carry by stem. Cure in sun for 7-10 days.

Storing and preserving pumpkin

How to keep it
  • Whole Storage (curing). Cure in sun 7-10 days. Store cool (15-20C), dry, ventilated. Don't stack. Keeps: 3-6 months (Butternut up to 12 months).
  • Freezing. Peel, deseed, cut chunks. Steam or roast until tender. Cool and freeze in portions. Or puree and freeze. Keeps: 12 months.
  • Dehydrating. Peel, deseed, slice thin (3-5mm). Steam blanch 3 min. Dehydrate 55C for 8-12 hours. Keeps: 12 months.
  • Pumpkin Soup (freeze). Roast pumpkin with onion and garlic. Blend with stock. Cool and freeze in portions. Keeps: 6 months frozen.

Canning safety. Low-acid vegetables like pumpkin must be pressure canned, never water-bath canned.

Members see the full pressure-canning detail for pumpkin (3 tested recipes). See what members get

Grow vs buy

A 2.4 m × 1.2 m bed fits 1 plant, about $8 worth at today’s Coles prices, checked today.

That is roughly 3 kg at $2.50 a kilo.

Draw your pumpkin bed → No account needed.

Members see the price history and price alerts for pumpkin. 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

Join GardenBuddy.au

Common Questions About Pumpkin

When do you plant pumpkin in Australia?

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

Can you grow pumpkin all year round in Canberra?

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

When should I plant Pumpkin in Canberra?

Pumpkins need a long warm season, so start in trays in October and plant or sow out after the last frost. Leave fruit on the vine as long as possible but cut them before the first heavy frost.

What soil temperature do Pumpkin need?

Pumpkin germinate best when soil temperature is between 18°C and 35°C.

How do I know when Pumpkin are ready to harvest?

Skin hard (cannot dent with thumbnail), stem dry and corky, fruit sounds hollow when tapped.

What are the best Pumpkin varieties for Canberra?

Recommended varieties for the Cold / Highland zone include: Golden Nugget (bush), Baby Blue (bush).

What grows well with Pumpkin?

Good companion plants for Pumpkin include: NZ Spinach, Nasturtium, Sweet Corn, Marigold, Sunflower.

Are pumpkin salt tolerant?

Only a little. Pumpkin 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.