Paudho ecosystem
Container growing guide
Komatsuna
Komatsuna / Japanese Mustard Spinach
Komatsuna 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 | Possible |
| July | Good |
| August | Good |
| September | Good |
| October | Best |
| November | Best |
| December | Best |
Traits
- Fast harvest
- Beginner safe
- Low effort
Questions about growing Komatsuna
Can I grow Komatsuna or Komatsuna / Japanese Mustard Spinach in a balcony or terrace?
Yes, Komatsuna can be grown in a balcony or terrace if you can provide 5-7 hours of direct light and a container around 15L.
Which month is best to sow Komatsuna?
The best sowing months for Komatsuna are Oct–Dec. Check the monthly calendar on this page before sowing outside that window.
What size pot or grow bag does Komatsuna need?
Komatsuna works best in a container around 15L with at least 20 cm of soil depth and reliable drainage.
How many days does Komatsuna take to harvest?
Komatsuna usually reaches first harvest in about 35 days from sowing, with a harvest window of roughly 45 days.
What are common pests and diseases for Komatsuna?
Watch for Aphids, Whitefly and Leaf spot, Powdery mildew. Start checks early and improve airflow if leaves stay wet.