I've grown them in raised beds twice, spacing the slips a foot apart in all directions. They grew amazingly well. I had added mushroom compost at the beginning of the season and they all just grew together into sort of a mass of vines. I never trimmed the vines though. I just let them spill out into the walkways. I have 5 feet between raised beds so no problems walking around. Since I couldn't really see a space to use my Garden Tone, I used Age Old Bloom and just poured it evenly over the top of the plants. In October, I dug a ton of sweet potatoes. They were very easy to grow! I still have some stored in the garage! Good luck!
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Michele
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