We have slips and are in Zone 5. Are slips planted separately in hills, when should they be planted, and how long to harvest? What about storage? Are there any companion plants or plants that should not be close by them? How about special fertilizer?
Sweet Potato Planting
Certified GKH Gardening Expert
This article should help you: https://www.gardeningknowhow.com/edible/vegetables/sweet-potato/grow-sweet-potatoes.htm
Sweet potatoes do not require any fertilizer to grow vigorously. Adding some compost or rotted manure to the soil when planting should be enough to jump start these plants.