When to Plant Rockmelon (Cantaloupe) in Brisbane, Subtropical Guide

Sow August to February. Right now in September you can sow.

Also called cantaloupe.

Planting window
September to December.
Days to harvest
about 12 weeks
Sunlight
Full sun (minimum 8 hours for sweet fruit)
Water needs
Regular deep watering during vine growth and fruit set. CRITICAL: reduce watering...
Spacing
100cm apart, 180cm between rows
Soil pH
6.0-7.0

This Rockmelon (Cantaloupe) guide is written for the Subtropical zone, which takes in Brisbane, the Gold Coast and the Sunshine Coast. Somewhere else? Your postcode picks the right one.

Not your zone? Cairns Sydney Melbourne Canberra Alice Springs Perth

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

Rockmelon (Cantaloupe)

Photo: Wikimedia Commons

Rockmelon (called cantaloupe outside Australia/NZ) is a warm-season melon requiring long hot summers for sweet fruit. Australia is a major commercial rockmelon producer. Success depends on sustained warmth, good drainage, and bee pollination. Best in arid and subtropical zones; marginal in cool-temperate.

Planting Calendar for Subtropical

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

S = Seed Tray   T = Transplant   D = Direct Sow

Want a nudge when it is Rockmelon (Cantaloupe) sowing time in Brisbane?

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Current Growing Conditions

Soil temperature: 20.7°C (optimal range: 20–35°C) ✓ Ready to plant

That figure is read off my own weather station here at Dayboro in South East Queensland at 22:55 yesterday, not a model. The radar, the rain gauge and the forecasts behind it sit on Dayboro.au.

How to Grow Rockmelon (Cantaloupe) in Subtropical Australia

When to Plant

September to December.

Soil
Sandy loam or well-drained fertile soil. Excellent drainage essential.
pH Range
6.0-7.0
Sunlight
Full sun (minimum 8 hours for sweet fruit)
Spacing
100cm apart, 180cm between rows
Watering
Regular deep watering during vine growth and fruit set. CRITICAL: reduce watering significantly as fruit approaches maturity for sweetness.

Companion plants: Corn, Sunflower, Nasturtium, Radish

Avoid planting near: Potato, Other melons if seed saving

Subtropical Growing Tips for Rockmelon (Cantaloupe)

Recommended Varieties

  • Hales Best Jumbo
  • Planters Jumbo
  • Sweet Granite
  • Minnesota Midget

Key Challenges

  • Fruit fly from October
  • Powdery mildew
  • Variable sweetness in humid years

Pro Tips

  • Reduce watering 2 weeks before harvest for sweetness
  • Straw under fruit
  • Net against fruit fly from fruit set

Harvesting Rockmelon (Cantaloupe)

When ready: Skin changes from green to golden beneath netting. Strong sweet aroma at stem end. Fruit 'slips' from vine easily (full slip). Stem end cracks slightly.

How to harvest: Gently push fruit from vine or cut with knife. Handle carefully. Harvest in morning.

Where to next

What rockmelon costs in the shops right now, retailer by retailer, updated daily.

Also worth sowing in the subtropical zone this September: Lemongrass, Ginger, Radish and Beetroot.

The pest most likely to find your rockmelon: Mosaic Viruses (CMV, ToMV, ZYMV).

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Common Questions About Rockmelon (Cantaloupe)

When do you plant rockmelon in Australia?

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

Does rockmelon grow all year round in Brisbane?

No. In the Subtropical zone the planting months are Jan to Feb, Aug to Dec. Outside that window it either bolts, sulks or gets cut down by the weather.

What else is rockmelon called?

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

Which zone am I in?

Type your postcode into the box under the heading and the page 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 Subtropical zone, Brisbane is its reference city.