🌱 Cabbage 'Primo'

Sowing window (UK)	March to May
Minimum soil temperature	5°C at seed depth
Spacing	50 cm apart
Days to germination	12 days
Days to harvest	119 days
Sowing method	Start under cover, transplant out
Frost hardy	Yes
Sun	full-sun
Watering	moderate
Plant family	Brassicaceae

When should I sow Cabbage 'Primo' in the UK?

In the UK, sow Cabbage 'Primo' from March to May. It is normally started under cover and transplanted. Wait until the soil has reached 5°C at seed depth rather than going by the calendar - cabbage will sit and rot in cold ground.

What soil temperature does Cabbage 'Primo' need to germinate?

Cabbage 'Primo' needs a minimum soil temperature of 5°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 Cabbage 'Primo'?

For Cabbage 'Primo', space plants 50cm apart.

How long does Cabbage 'Primo' take to grow?

Cabbage 'Primo' takes roughly 119 days from sowing to harvest. Seed usually germinates in about 12 days.

Is Cabbage 'Primo' frost hardy?

Yes. Cabbage 'Primo' is frost hardy and will stand through UK frosts, so it can be left out over winter in most of the country.

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.