Enough mulching for roses in Michigan?

Byron Center, MI

Can anyone tell me if this is enough mulch to protect my roses this winter? We live in Grand Rapids, MI, Zone 5. I would guess it's about 7 inches from the bud union.



Thumbnail by dwendt
central, NJ(Zone 6b)

Here's some info I found
August:
Fertilize and deadhead for the last time.

October and November:
Depending on where you live and how soon fall and winter comes, you'll want to start protecting your roses for the winter. Once you have had a few good frosts, leaves will start falling. Apply a dormant spray such as lime sulfur and/or spray oil. This will kill pests and fungal diseases that might try to overwinter on the plant or surrounding soil. It can also help nudge those final leaves off. Rake leaves from around your plants to prevent the spread of diseases.

Zones 1-6 and some of Zone 7 should follow these additional winter protection guidelines:

For Hybrid Teas and Floribundas: Cover the crowns with a mound of soil about 6" high, then cover the plants and mound with straw. Don't prune your roses at this time, unless there is a concern that canes and branches could be broken when loaded with snow.

Tree Roses: In areas where winter temperatures are below 10°F., remove any stakes and gently dig away soil on one side. Bend your tree rose downward to the ground and cover it with straw first, then soil.

Climbing and Groundcover Roses: Cover the base of your climbers with soil. Tie the canes and wrap them in burlap. For severe-winter areas, anchor the canes to the ground and cover them with straw.

In Zones 7-8:
Protection is usually not necessary, but roses can benefit from applying mulch over the crown area if a cold winter is forecasted.


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