🌱 French Bean 'Cobra'

Sowing window (UK)	April to July
Minimum soil temperature	10°C at seed depth
Sowing depth	5 cm
Spacing	25 cm apart
Days to germination	10 days
Days to harvest	60 days
Sowing method	Start under cover, transplant out
Frost hardy	No
Sun	full-sun
Watering	moderate
Plant family	Fabaceae

When should I sow French Bean 'Cobra' in the UK?

In the UK, sow French Bean 'Cobra' from April to July. It is normally started under cover and transplanted. Wait until the soil has reached 10°C at seed depth rather than going by the calendar - french bean will sit and rot in cold ground.

What soil temperature does French Bean 'Cobra' need to germinate?

French Bean 'Cobra' 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 French Bean 'Cobra'?

For French Bean 'Cobra', sow it 5cm deep and space plants 25cm apart.

How long does French Bean 'Cobra' take to grow?

French Bean 'Cobra' takes roughly 60 days from sowing to harvest. Seed usually germinates in about 10 days.

Is French Bean 'Cobra' frost hardy?

No. French Bean 'Cobra' 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.