United Kingdom 
I am asking about why the beans are ( not setting)
13 Jul, 2010
Answers
You can spray the plants if it makes you feel useful, but your runner beans will start producing beans very shortly whatever you do. In my experience this ALWAYS happens early in the season.
13 Jul, 2010
Previous question
to dry is the usual cause. try spraying the plants with a fine mist of water if you can.
13 Jul, 2010