🫚 Swede 'Marian'

Sowing window (UK)	May to June
Minimum soil temperature	5°C at seed depth
Sowing depth	2 cm
Spacing	38 cm apart
Days to germination	10 days
Days to harvest	150 days
Sowing method	Direct sow outdoors
Frost hardy	Yes
Sun	full-sun
Watering	moderate
Plant family	Brassicaceae

When should I sow Swede 'Marian' in the UK?

In the UK, sow Swede 'Marian' from May to June. It is normally sown direct outdoors. Wait until the soil has reached 5°C at seed depth rather than going by the calendar - swede will sit and rot in cold ground.

What soil temperature does Swede 'Marian' need to germinate?

Swede 'Marian' 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 Swede 'Marian'?

For Swede 'Marian', sow it 2cm deep and space plants 38cm apart.

How long does Swede 'Marian' take to grow?

Swede 'Marian' takes roughly 150 days from sowing to harvest. Seed usually germinates in about 10 days.

Is Swede 'Marian' frost hardy?

Yes. Swede 'Marian' 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.