• gingersaffronapricat@lemmy.worldOP
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    9 days ago

    I’m not sure what kind they are. I picked up sweet potatoes in the spring perported to be from a nearby farn. I figured if they were grown near my town, they should do well enough for me.

    Sorry you’re struggling with clay. I’ve been growing mine in raised beds. I think I put in two parts compost, two parts peat moss, one part pearlite. I have one bed that was about a foot deep and it did ok. But the plants really seemed to love the two foot deep area. Second year growing sweet potatoes and first year giving them more depth.

    What kind of amendments have you been adding? Are you noticing any progress towards better sweet potatoes?

    • zd9@lemmy.world
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      9 days ago

      We just built a bunch of 4x8 raised beds this year, but used them for other plants, so I’ll be doing sweet potatoes there next year for sure. We do a similar mixture as you, with 1/3 compost, 1/6 medium perlite, 1/6 large vermiculite, and 1/3 coco coir (environmentally friendly alternative to peat moss).

      The clay soil area had some of the mixture above, plus local soil, plus amendments from last year.