Transfer runner bean mixture to a large bowl and toss with green beans, basil, vinegar, and remaining 2 Tbsp. oil; season with salt, pepper, and more vinegar, if desired.

To make runner beans perennial, Jamie begins by allowing the plants to die back in autumn. He collects and saves dry seeds from the season's pods before cutting each plant's main stem to about six ...

Lack of beans may be down to quite the opposite kind of weather conditions. Cold, wet springs can sometimes be followed by hot, dry summers when night time temperatures could exceed 15C.