Q: I hate the thought of all my K-Cup pods going to the landfill. I planted Blue Lake green bean seeds and poblano pepper seeds in used coffee grounds after removing the aluminum covering. I put them in a plastic bag in the window. Now there are shoots coming up.
A: I applaud your ingenuity but I have some suggestions. Coffee grounds are not the best seed starting material. If you give each cup a couple of drainage holes, I’m sure they could be successful for starting seeds after being filled with commercial seed starting media. The cups are not huge and you don’t want the roots to become so big they start circling around inside. You’ll need to move the seedlings up into a somewhat bigger container before transplanting them outdoors in spring.
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