Search articles from 1992 to the present. Winter Protection for
Roses This article was published originally on 11/11/1994Most
modern roses grown in Iowa require protection during winter
months. Exposure to low temperatures and rapid temperature
changes injure and often kill unprotected roses. Hilling or
mounding soil around the base of each plant is an excellent way
to protect bush-type roses. Bush-type roses include hybrid teas,
floribundas, and grandifloras. Begin by removing fallen leaves
and other debris from around each plant. Removal of diseased
plant debris will help reduce disease problems next season. Then
loosely tie the canes together with twine to prevent the canes
from being whipped by strong winds. Extremely tall canes can be
cut back to 2 1/2 to 3 feet. Next, mound soil 10 to 12 inches
high around the canes. Place additional material, such as straw
or leaves, over the mound of soil after the ground freezes. A
small amount of soil placed over the straw or leaves should hold
these materials in pl