When to Plant Rockmelon (Cantaloupe) in Perth, Mediterranean Guide
Sow September to December. Right now in September you can sow.
Also called cantaloupe.
Published · Last reviewed · By Garden Buddy
Growing advice is reviewed by hand. Planting dates, current conditions and prices on this page update daily.
This Rockmelon (Cantaloupe) guide is written for the Mediterranean zone, which takes in Perth, Adelaide and Bunbury. Somewhere else? Your postcode picks the right one.
Not your zone? Cairns Brisbane Sydney Melbourne Canberra Alice Springs
Also handy: will it frost this week? and what grows in shade.
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 Mediterranean
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| - | - | - | - | - | - | - | - | S | S/T/D | T/D | T |
S = Seed Tray T = Transplant D = Direct Sow
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Current Growing Conditions
Soil temperature: 15.9°C (optimal range: 20–35°C) ✗ Outside optimal range
Modelled from Open-Meteo forecast (Perth), not a live sensor.
How to Grow Rockmelon (Cantaloupe) in Mediterranean Australia
When to Plant
October 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
Mediterranean Growing Tips for Rockmelon (Cantaloupe)
Recommended Varieties
- Hales Best Jumbo
- Sweet Granite
- Planters Jumbo
Key Challenges
- Dry summer needs irrigation
- Powdery mildew
- Cool spring start
Pro Tips
- Very good zone
- Drip irrigate, reduce at maturity
- Black plastic mulch
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
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Open the planting dashboard Join Garden BuddyCommon 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:
- Tropical (Cairns): Mar to Jul
- Subtropical (Brisbane): Jan to Feb, Aug to Dec
- Warm Temperate (Sydney): Sep to Dec
- Cool Temperate (Melbourne): Sep to Dec
- Cold / Highland (Canberra): Oct to Nov
- Arid / Semi-Arid (Alice Springs): Jan to Mar, Aug to Dec
- Mediterranean (Perth): Sep to Dec
Does rockmelon grow all year round in Perth?
No. In the Mediterranean zone the planting months are Sep 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 Mediterranean zone, Perth is its reference city.