Answer: Let the cucumbers continue to vine. You can direct the new growth in whichever direction is most convenient. Using a mulch in the garden will help keep the cucumbers clean.
Runner beans or pole beans need something to climb on, typically a trellis or set of teepee style bean poles would be provided to support them. If you have a handy fence, that is fine. (If you prefer shorter plants, grow bush beans instead next time.)
Unlike tomatoes, green pepper plants are usually quite sturdy and should be self supporting. Enjoy your veggies!
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