Paudho ecosystem
Container growing guide
Welsh Onion
Welsh Onion / Negi
Welsh Onion grows well in containers with the right season and container size.
Planting calendar
Month-by-month sowing suitability (northern-hemisphere reference — the app shifts calendars for your latitude). Best months to sow: Oct–Dec.
| Month | Suitability |
|---|---|
| January | Not recommended |
| February | Not recommended |
| March | Not recommended |
| April | Not recommended |
| May | Not recommended |
| June | Not recommended |
| July | Possible |
| August | Good |
| September | Good |
| October | Best |
| November | Best |
| December | Best |
Traits
- Beginner safe
- Low effort
Questions about growing Welsh Onion
Can I grow Welsh Onion or Welsh Onion / Negi in a balcony or terrace?
Yes, Welsh Onion can be grown in a balcony or terrace if you can provide 5-7 hours of direct light and a container around 12L.
Which month is best to sow Welsh Onion?
The best sowing months for Welsh Onion are Oct–Dec. Check the monthly calendar on this page before sowing outside that window.
What size pot or grow bag does Welsh Onion need?
Welsh Onion works best in a container around 12L with at least 20 cm of soil depth and reliable drainage.
How many days does Welsh Onion take to harvest?
Welsh Onion usually reaches first harvest in about 90 days from sowing, with a harvest window of roughly 45 days.
What are common pests and diseases for Welsh Onion?
Watch for Aphids, Whitefly and Leaf spot, Powdery mildew. Start checks early and improve airflow if leaves stay wet.