Japanese honeysuckle, question about spray "timing"

last year

I have read a few places to spray Japanese honeysuckle with glyphosate or triclopyr after the first frost but before the first 25°F night to minimize damage to surrounding vegetation. I think MO state published this info, and probably a few other state/govt agencies. My question is, if other plants in the vicinity are still green, like goldenrod, cool season grasses, and blackberry, is the spray going to work on those too, or are they basically shut down despite appearances?

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