Maps Links About Contact Wisconsin Horticulture Bringing University Research to Your Wisconsin Garden Skip to content Home Fruits o Fruit Problems o Fruit Selection o Fruit Care o Fresh Market Fruit Production Vegetables o Vegetable Problems o Vegetable Selection o Vegetable Care o Fresh Market Vegetable Production Lawns o Lawn Problems o Lawn Care o Lawn Selection o Professional Lawn Care Trees & Shrubs o Tree & Shrub Problems o Tree & Shrub Selection o Tree & Shrub Care o Professional Landscaping Flowers o Flower Problems o Flower Care o Flower Selection o Commercial Flower Production Other Topics o Pests o Wildlife o Community Gardens o Weeds & Invasive Plants Pruning Deciduous Shrubs Pruning control the size of a shrub, direct growth, influence flowering or fruiting, rejuvenate old, overgrown plants, or maintain plant health and appearance. Vegetable Cultivars and Planting Guide for WI Planting superior, disease-resistant cultivars is a first step toward successful gardening. Growing Grass in Shade Is My Ash Tree Worth Treating for Emerald Ash Borer? Training and Pruning Apple Trees Fruit Crop Pollination Youth Gardening – People + Plants Common Crops for Community Gardens – People + Plants Invasive Plants of Wisconsin – Garlic Mustard Specialized Gardening Techniques: Wide-Row Planting, Square-Foot Gardening and Raised Beds Lilacs for Cold Climates Choosing the Right Landscape Plants: Factors to Consider Homeowner Guide to Emerald Ash Borer Insecticide Treatments Insect Pest Management for Greenhouses Basil Downy Mildew Cane Blight Grub Control in Home Lawn Verticillium Wilt of Trees and Shrubs Viburnum Leaf Beetle Ash Alternatives for Homeowners and Professionals Phytophthora Root Rot of Christmas Trees « Previous Entries Wisconsin Horticulture on Facebook Twitter YouTube Podcasts Search Search 2016 Urban Forestry Workshop Growing Degree Day Accumulation map to view a larger version and see the accumulated Base 50F Growing Degree Days (GDD) for your area. Plant Hardiness Zone Map Click on the map to view a larger version of plant hardiness zone map The Wisconsin Master Gardener Program Horticulture Events 2016 Urban Forestry Workshop September 21st - October 5th, 2016 View More Events University of Wisconsin-Extension An EEO/AA employer, University of Wisconsin-Extension provides equal opportunities in employment and programming, including Title IX and Americans with Disabilities (ADA) requirements. Wisconsin Horticulture On Facebook Twitter YouTube Podcasts University of Wisconsin-Extension Cooperative Extension Wisconsin Horticulture is part of the University of Wisconsin-Extension For Your Information Network. © Board of Regents of the University of Wisconsin System | Terms of Use | Privacy Policy