Best time to plant spring onion in Australia
Allium cepa
Also called Welsh onion, Japanese bunching onion, green onion, salad onion, bunching onion
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.
On a shared plot: suits a plot
Finishes in a season and stays within its space, so it suits most plots.
When to sow
| Zone | Months | How well checked |
|---|---|---|
| Cool | Mar to Nov | Matches local guides |
| Temperate | Mar to Nov | Matches local guides |
| Subtropical | Mar to Oct | Matches local guides |
| Tropical | Mar to Sep | Broadly matches local guides, with some differences |
| Arid | Mar to Nov | Matches local guides |
Your local conditions can shift any months shown here, so treat them as a guide.
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.