Growing in Orbost

Best time to plant onion in Orbost

Allium cepa

Also called bulb onion, common onion

Sow onion in Orbost in Feb to Sep.

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 Orbost

Orbost, VIC is in the cool zone. Its months for onion apply here without a frost adjustment.

Matches local guides.

Your local conditions can shift any months shown here, so treat them as a guide.

Frost in Orbost

Frost usually arrives in Orbost around mid June and finishes by mid August. In about 1 year in 10 it comes as early as early 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.

Onion elsewhere

Onion across Australia