The UW-Madison’s Extension Horticulture Program provide research-based horticulture information to Wisconsinites so they can make gardening decisions that keep their plants healthy while protecting the environment. We provide research- and evidence-based horticulture management education, resources and decision-making tools to home gardeners and commercial horticulture practitioners. UW-Madison, Division of Extension, Horticulture Program serves the people of Wisconsin through our dedicated staff throughout the state. If you have a home gardening question please use our Ask a Gardening Question form. hort.extension.wisc.edu/ask-a-gardening-question/ More information is available at hort.extension.wisc.edu/