Runner beans are heavy when they're fully grown- last year's bean teepee partially collapsed under the weight. The plan had been to use 1" poles this pear, but in the end all I had was these thin and whippy 6' poles. Delving into memories of long-past engineering lectures I made the joints out of wire for extra rigidity and added diagonal cross braces, resulting in a structure that is a lot stiffer than its components suggest. Time will tell if it's up to the job.
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