🍠 Sweet Potato 'Beauregard'

Sowing window (UK)	April to May
Minimum soil temperature	15°C at seed depth
Spacing	75 cm apart
Days to germination	14 days
Days to harvest	140 days
Sowing method	Start under cover, transplant out
Frost hardy	No
Sun	full-sun
Watering	high
Plant family	Convolvulaceae

When should I sow Sweet Potato 'Beauregard' in the UK?

In the UK, sow Sweet Potato 'Beauregard' from April to May. It is normally started under cover and transplanted. Wait until the soil has reached 15°C at seed depth rather than going by the calendar - sweet potato will sit and rot in cold ground.

What soil temperature does Sweet Potato 'Beauregard' need to germinate?

Sweet Potato 'Beauregard' needs a minimum soil temperature of 15°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 Sweet Potato 'Beauregard'?

For Sweet Potato 'Beauregard', space plants 75cm apart.

How long does Sweet Potato 'Beauregard' take to grow?

Sweet Potato 'Beauregard' takes roughly 140 days from sowing to harvest. Seed usually germinates in about 14 days.

Is Sweet Potato 'Beauregard' frost hardy?

No. Sweet Potato 'Beauregard' 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.