Answer: It's usually easier on the roses if you transplant them in winter, while they're dormant. Although it's officially spring now, it's been cold enough in your neck of the woods that your roses probably haven't begun to grow yet. So, now's a good time to move them. Roses grow and bloom best when they get at least 8 hours of direct sunshine each day. So, find the sunniest spot in your garden for them and dig the new holes prior to unearthing your roses. Prune the bushes down to a manageable size; choose 3-5 of the healthiest looking canes and prune the rest off the plant. The 3-5 canes you've reserved can be cut down to 18-24". Dig the plants and set them in their new homes (spaced at least 3' apart so there's ample room for growth). Make sure the roses are resting at the same soil level as they were in their previous homes. Water well after transplanting.
Best wishes with your move!
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