Growing in Carnarvon

Best time to plant spring onion in Carnarvon

Allium cepa

Also called Welsh onion, Japanese bunching onion, green onion, salad onion, bunching onion

Sow spring onion in Carnarvon in Mar to Nov.

Spring onion, or bunching onion, is a clump-forming perennial with tubular evergreen leaves up to 60 centimetres tall and white flower heads on top. Native to China and common in Asian cooking, it also goes by Welsh onion, a name that has nothing to do with Wales.

When to sow in Carnarvon

Carnarvon, WA is in the arid zone. Its months for spring 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 Carnarvon

Carnarvon frosts in fewer than 1 year in 10, so frost doesn't hold back any planting here.

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 in the bed
Sowing depth
12mm
Plant spacing
5cm
Row spacing
8cm
Height
30cm
Germination
About 10 days
Time to harvest
70 days from sowing
Frost
Hardy, takes a light frost
Sun
Full sun
Life cycle
perennial, usually grown as an annual

These are typical figures, and varieties differ. Your seed packet takes priority.

Spring Onion elsewhere

Spring Onion across Australia