Tropical
Open climate guide →JanWaitFebWaitMarPlantAprPlantMayPlantJunPlantJulPlantAugPlantSepPlantOctWaitNovWaitDecWait
Aim for March, April, May, June, July, August, September.
Grow to Eat
When to plant Watermelon in Australia
A practical climate-by-climate starting point for planting watermelon, plus care details to help it establish well.
StartSow directLightFull sunTiming14–20 weeksDifficultyModerate
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Australian planting calendar
Best months by climate
Highlighted months are the usual planting window. A local nursery, seed packet and current weather forecast should take priority over a broad climate calendar.
Subtropical
Open climate guide →JanPlantFebPlantMarWaitAprWaitMayWaitJunWaitJulWaitAugPlantSepPlantOctPlantNovPlantDecPlant
Aim for August, September, October, November, December, January, February.
Temperate
Open climate guide →JanWaitFebWaitMarWaitAprWaitMayWaitJunWaitJulWaitAugWaitSepPlantOctPlantNovPlantDecPlant
Aim for September, October, November, December.
Cool temperate
Open climate guide →JanWaitFebWaitMarWaitAprWaitMayWaitJunWaitJulWaitAugWaitSepWaitOctPlantNovPlantDecPlant
Aim for October, November, December.
Mediterranean
Open climate guide →JanWaitFebWaitMarWaitAprWaitMayWaitJunWaitJulWaitAugWaitSepPlantOctPlantNovPlantDecPlant
Aim for September, October, November, December.
Care essentials
Help watermelon settle in
- Soil
- Fertile, free-draining soil enriched with compost
- Water
- Water deeply and consistently through flowering and fruit development
- Spacing
- Usually 45 cm to 2 m; climbing plants also need support
- Patch tip
- Protect flowers, avoid moisture swings and harvest regularly once production begins.