Best time to plant watermelon in Perth
Citrullus lanatus
Sow watermelon in Perth in Oct to Dec.
A sprawling, frost-tender vine grown for its large, sweet, juicy fruit. It needs a long, hot season, plenty of room and steady water while the fruit swells.
When to sow in Perth
Perth, WA is in the temperate zone. The zone also plants in Aug to Sep, but Perth's frost dates make those months risky for a frost-tender crop.
Matches local guides.
Your local conditions can shift any months shown here, so treat them as a guide.
Frost in Perth
Frost usually arrives in Perth around early July and finishes by late August. In about 1 year in 10 it comes as early as late May or as late as early October, so frost-tender crops are planned around those dates.
From its Bureau of Meteorology station, 1991 to 2020, counting a night at 2°C or lower as a frost. Frost hollows and hillsides can shift these dates by weeks, so ask the growers at your garden too.
On a shared plot: needs a lot of room
Vines wander well beyond a small bed. Train them back into your plot, and ask your coordinator if space is tight.
Growing details
- How to start
- Sow directly in the bed
- Sowing depth
- 25-38mm
- Plant spacing
- 90-120cm
- Row spacing
- 125cm
- Germination
- 10-14 days at 27-32°C
- Time to harvest
- 85 days
- Frost
- Frost tender
- Sun
- Full sun
- Life cycle
- annual
These are typical figures, and varieties differ. Your seed packet takes priority.