Amanda, two challenges: protecting potted dwarf roses over winter, and coaxing bloom from vigorous wild climbers.
Option 1: Unheated basement/garage. Keep just above freezing. Water sparingly when dry.
Option 2: Insulate pots in place. Double black trash bags (or bubble wrap) around pots, mulch heavily over soil surface. Protect roots—the top can freeze.
Protect roots in winter; feed for flowers in spring. They'll come around.
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Winter Protection Depth for Roses in Zone 4 Ontario
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Pruning Roses for Winter: Prepare Your Bushes for Dormancy & Spring Glory
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Spring Replanting of Overwintered Container Roses in Cold Climates
Winterizing Roses in Cold Climates: Mound, Mulch & Timing
Overwintering Potted Banana Trees in Kansas Basement
Lava Rock for Roses in Clay Soil: Nutrients Over Acidity
Preparing Perennials for Winter: Mulching, Cleanup, and Planning Ahead
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