pruning super overgrown hibiscus

pruning super overgrown hibiscus

I am taking care of my next door neighbor's hibiscus and pot-o-houseplants while he is away for 3 weeks. I said I could re-pot his plants for him since they are really, really pot bound, but upon actually looking at them, they really really really need pruning. I don't think he has ever pruned them, and one has not been getting enough light so it is very leggy. He is ill and doesn't get around much so he hasn't done any hard work for the plants and I don't think he knows that cutting them back will make them happy and flower more. I would like to get these guys in shape for him, but not sure what order. Think I should re-pot first, prune later? prune a little bit before he gets home, and then tell him they need a lot (so he's not alarmed by their sudden reduction in size?)
UFO

UFO

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What’s on my raspberries?

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Garden configuration.

Plant Identification Help Please

Plant Identification Help Please

Macro

Macro

What to do?

What to do?