Ric, I do love the way my hoop trellis worked out, it was a lot of fun but it took up a lot of room in the garden and there isn't much you can use the space inside the hoop for because it doesn't get enough light. Despite that drawback, though, I'm using it again this year, for some winter squash, "Tromboncino" summer squash, runner beans, and other plants yet to be determined! (okay, maybe a few gourd plants too...
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I've heard of people growing their tomatoes on a trellis but have never actually seen how it was done -- I love the way you have the two panels spaced apart for the plants to grow between, that makes a lot more sense to me than just using a single trellis panel or something.