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Winter Protection for Simplicity Roses in Zone 5 (Utica, NY)

20 Bushes in a Berm – Cones vs. Soil/Leaves

Owner usually uses rose cones. Asks if soil/leaves plus plastic sheet over whole berm works.

Plastic Warning

Plastic creates a greenhouse effect, causing premature growth in winter. Avoid.

Recommended

Mound soil from elsewhere in garden to 12 inches over the crown. Leaves/straw on top is fine. Zone 5 is borderline; Simplicity roses need this protection. They'll bounce back from 12 inches even after harsh winter.

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