How To Grow Sweet Potatoes In Containers Uk. Overwinter plants in a frost free greenhouse or windowsill. Planting the slips 1.
Take a trip to your local gardening center and buy a large bag of soil. Once planted make sure to water. Sweet potatoes can be grown outdoors but you will need a sheltered and sunny position.
Plant sweet potatoes 30cm 12 apart leaving 75cm 30 between each row.
Put the selected root in clean sand and cover with an additional 2 inches 5 cm. Water frequency depends upon the type of container selected. Sweet potatoes grow best in a daytime temperature range of 26 c to 28 c 79 f to 82 f however in the uk this is not achievable. Place about four inches of soil in your container then place your sweet potato slips on top and then add about three more inches of soil to secure them.