Answer: I'd give the new plants a little more time. They may just be a bit slow. Give them the benefit of the doubt for another couple of weeks...until it gets really warm. Then re-assess. Be sure the roses are well watered--roses really do require a lot of moisture. But don't make a soggy puddle for them to stand in. Perhaps set the hose so it barely dribbles water and then leave it on each rose for 1/2 an hour or so a few times a week. Underwatering is the number one reason that newly planted trees and shrubs die.
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