Sowing window (UK)March to June
Minimum soil temperature12°C at seed depth
Spacing25 cm apart
Days to germination14 days
Days to harvest60 days
Sowing methodStart under cover, transplant out
Frost hardyNo
Sunfull-sun
Wateringmoderate
Plant familyLamiaceae

When should I sow Basil 'Genovese' in the UK?

In the UK, sow Basil 'Genovese' from March to June. It is normally started under cover and transplanted. Wait until the soil has reached 12°C at seed depth rather than going by the calendar - basil will sit and rot in cold ground.

What soil temperature does Basil 'Genovese' need to germinate?

Basil 'Genovese' needs a minimum soil temperature of 12°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 Basil 'Genovese'?

For Basil 'Genovese', space plants 25cm apart.

How long does Basil 'Genovese' take to grow?

Basil 'Genovese' takes roughly 60 days from sowing to harvest. Seed usually germinates in about 14 days.

Is Basil 'Genovese' frost hardy?

No. Basil 'Genovese' 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.