Perth, Western Australia
When to plant melon (cantaloupe/watermelon) in Perth
Station data · 80% confidence warm seasontender to frost
- Direct sowmid AugustAug 15 – Sep 5 · 80% conf.
- Harvestlate OctoberOct 29 – Nov 23 · 72% conf.
- Start seeds indoorsmid JulyJul 11 – Aug 1 · 76% conf.
- Transplant outdoorsmid AugustAug 15 – Sep 5 · 80% conf.
The growing window at a glance
Melon (cantaloupe/watermelon) at a glance in Perth
- Needs soil above 21°C to germinate well.
- Days to maturity: 75–100 days.
- Climate zone: Mediterranean, hot summer (Csa).
Frost dates are probabilities, not guarantees. Your garden's microclimate — slopes, walls, urban heat, cold pockets — can shift these dates by a week or more. Use them as a confident starting point, then watch your local forecast.
Frequently asked
When can I sow melon (cantaloupe/watermelon) outdoors in Perth?
Direct-sow around mid August (Aug 15–Sep 5) in Perth, based on its local frost dates. Confidence 80%.
When will melon (cantaloupe/watermelon) be ready to harvest in Perth?
Expect to harvest from around late October (Oct 29–Nov 23) in Perth, based on its local frost dates. Confidence 72%.
When should I start melon (cantaloupe/watermelon) seeds indoors in Perth?
Start seeds indoors around mid July (Jul 11–Aug 1) in Perth, based on its local frost dates. Confidence 76%.
When can I transplant melon (cantaloupe/watermelon) outdoors in Perth?
Transplant outdoors around mid August (Aug 15–Sep 5) in Perth, based on its local frost dates. Confidence 80%.
How long is the growing season in Perth?
Perth has roughly 343 frost-free days, which is enough time to grow melon (cantaloupe/watermelon) to maturity outdoors.
Melon (cantaloupe/watermelon) in other places
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