Best time to plant onion in Port Lincoln
Allium cepa
Also called bulb onion, common onion
Sow onion in Port Lincoln in Feb to Aug.
Onions are grown for the bulb that forms at the base of a fan of blue-green, hollow leaves, swelling once day length reaches a certain point. Although often biennial or perennial by nature, the plant is normally harvested in its first season. Garlic, leek and chives are close relatives.
When to sow in Port Lincoln
Port Lincoln, SA is in the temperate zone. Its months for onion apply here without a frost adjustment.
Broadly matches local guides, with some differences.
Your local conditions can shift any months shown here, so treat them as a guide.
Frost in Port Lincoln
Frost usually arrives in Port Lincoln around mid July and finishes by early August. In about 1 year in 10 it comes as early as mid June or as late as mid September, 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: suits a plot
Finishes in a season and stays within its space, so it suits most plots.
Growing details
- How to start
- Sow directly or raise seedlings
- Sowing depth
- 5mm
- Plant spacing
- 15cm
- Row spacing
- 40cm
- Germination
- 7-10 days at 20-25°C
- Frost
- Hardy, takes a light frost
- Sun
- Full sun
- Life cycle
- biennial, usually grown as an annual
These are typical figures, and varieties differ. Your seed packet takes priority.