I do try to feed mine every week when the weather permits. I used to feed them about once a month and would get growth spurts along with spurts in production. Now they just keep growing and setting fruit but of course fruit set does slow down when the temps stay well above ninety so I get fewer fruits with more vine as the season progresses. Heavy fruit set returns with the cooler weather of fall even with older vines if they are still healthy.
Bill
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