that's a lot to keep watered, best time to plant is in the fall.
275 gallon tote, put in back of truck with hose attachment, good to go. Might take a bit of time, but itíll get the job done. Would be faster with two people but one will do the job just fine
Plus the pine are in an area reachable by a hose and frost proof faucet, so thatís easy too.