I use a wine bottle as a form
I like to use newspaper pots for cukes and melons that don't appreciate being un-potted (having their roots disturbed) when planting out, so I'm able to plant the whole thing (burying all the newspaper so there is none left to wick away any moisture).
Unfortunately, I find that my tomato seedlings do much better in plastic containers because they don't dry out as fast. So much for recycling
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Linda