Many people get two harvests. Just leave the bines alone and they will produce or not. Either way, the existing bines will provide for root growth and energy storage for next year's bines.
On the Left Coast, my 7-year old plants have just gotten started, some of them. It's been a cold, wet Spring and June isn't looking any better.
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
"I would like to die on Mars, just not on impact." Elon Musk