Preparing Chrysanthemums for winter
I live in the St. Louis, MO area. We planted several mums this past summer.
They are now about done for the year. What should I do to preserve them
in the ground for next year?
After your plants have been frost killed, cut them back to the ground and
provide a light airy mulch of evergreen branches or similar material. The
most dangerous problems for Chrysanthemums in the winter are constant wetness
or ice on the leaves. Frost heaving caused by alternate freezing and thawing
of the soil is also a major problem. To help with these problems and keep
the plants somewhat protected and dry, you can mound the soil up around
each plant as well as creating a simple drainage ditch alongside. To help
avoid the heaving try to keep the plants somewhat shaded and insulate their
roots with a light airy mulch.
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