🥬 Chinese Cabbage 'Napa'

Sowing window (UK)	June to August
Minimum soil temperature	10°C at seed depth
Sowing depth	1 cm
Spacing	40 cm apart
Days to germination	7 days
Days to harvest	70 days
Sowing method	Direct sow outdoors
Frost hardy	No
Sun	full-sun
Watering	high
Plant family	Brassicaceae

When should I sow Chinese Cabbage 'Napa' in the UK?

In the UK, sow Chinese Cabbage 'Napa' from June to August. It is normally sown direct outdoors. Wait until the soil has reached 10°C at seed depth rather than going by the calendar - chinese cabbage will sit and rot in cold ground.

What soil temperature does Chinese Cabbage 'Napa' need to germinate?

Chinese Cabbage 'Napa' needs a minimum soil temperature of 10°C at seed depth to germinate reliably. Below that, germination is slow and patchy, and seed is more likely to rot than sprout. Measure at around 5cm down, in the morning, rather than trusting air temperature.

How deep and how far apart should I sow Chinese Cabbage 'Napa'?

For Chinese Cabbage 'Napa', sow it 1cm deep and space plants 40cm apart.

How long does Chinese Cabbage 'Napa' take to grow?

Chinese Cabbage 'Napa' takes roughly 70 days from sowing to harvest. Seed usually germinates in about 7 days.

Is Chinese Cabbage 'Napa' frost hardy?

No. Chinese Cabbage 'Napa' is not frost hardy. Do not put it outside until the risk of frost has passed in your area, and be ready to fleece it if a late frost is forecast.

Sowing data cross-checked against RHS growing guides and UK seed-merchant catalogues. Soil temperatures are the minimum for reliable germination, measured at seed depth.