Answer: I would be very concerned about moving the blue atlas cedar in the heat of summer. This is the most stressful time to transplant and an established tree should be root pruned beginning a year ahead of time to develop a more compact root system in preparation for being moved. I would strongly suggest you consult on site with a professionally trained and certified arborist for an opinion on whether it is worth trying to save it, or not. I'm sorry I can't be more encouraging.
As for the Leyland Cypress, there is nothing special you need to do after pruning. They are resiliant plants. I would not fertilize them this late in the season. Good luck with your project!
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