What's happening in Horticulture? March 2026 |
Greetings gardeners,
Longer days, melting snow, and the shift to daylight saving time remind us that spring is not far off. As plants wake from dormancy and gardeners look ahead to the growing season, it’s a good time to remember the powerful role trees play in our landscapes. This season, consider how your gardening choices—planting and caring for trees, nurturing healthy soils, and growing native plants—can help build climate-resilient communities. Read on for timely tips, upcoming learning opportunities, and inspiration for a more sustainable gardening season.
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Making the Cut: Apple Tree Pruning Workshops
March 7, 14, 20 | Whitewater, Madison, Sturgeon Bay | 9 or 10 a.m.-noon -
Green Thumb Gardening – Cover Crops for the Vegetable Garden
Thursday, March 12 | 5:30-7:30 p.m. - Ask Your Gardening Question: LIVE
Wednesday, March 18 | 1:30-2:30 p.m.
- Green Thumb Gardening – Vegetable Crop Disease Management
Thursday, March 19 | 5:30-7:30 p.m. - Fundamentals of Plant Diseases
Wednesday, March 25| 6:30-8:30 p.m. - Green Thumb Gardening – Vegetable Garden Succession Planting, Companion Planting, and Season Extension
Thursday, March 26 | 5:30-7:30 p.m. - Cold Climate Grape Research Update: Shoot Thinning and Fungal Disease Management
Friday, March 27 | Noon-12:30 p.m.
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Whether you start seeds indoors or purchase plants from a garden center, planning for a seed-saving garden is a fun and rewarding way to save money on gardening expenses.Â
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Bareroot trees are a cost‑effective way to add trees to your landscape. These dormant trees are small and easy to handle, establish quickly once in the ground, and can be planted early in the spring before other gardening activities begin. Read more...
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Did you know apple trees require annual training and pruning to remain an attractive and productive tree? The best time to do major pruning is in spring while the tree is still dormant. Read more…
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All plants and insects develop in response to temperature. Warmer weather speeds up growth, while cooler weather slows it down. “Degree days” measure accumulated heat over time to estimate how quickly plants and insects grow and develop, serving a useful tool for managing garden pests. Read more…
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Discover how natural landscapes can be both beautiful and lower maintenance. This webinar compares conventional lawns with more natural plantings and shares practical ideas for creating attractive, neighbor-friendly yards that support pollinators, biodiversity, and healthier local environments. Watch now...
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Thank you for joining us at the 2026 Garden & Green Living Expo! |
Over 17,000 plant lovers visited 180 exhibitors, attended 155 educational lectures and enjoyed many more opportunities to prepare for the upcoming growing season. Join us again in 2027!
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A weekly column of horticulture education and activities for Wisconsin gardeners. Read the latest articles from this past month.
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Spring welcomes an exciting array of phenological events—seasonal cues like budding plants, bird migration, and insect activity that reflect how nature responds to changing weather patterns.
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UW-Madison Division of Extension Horticulture Program
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The University of Wisconsin–Madison Division of Extension provides equal opportunities in employmentÂ
and programming in compliance with state and federal law.
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UW-Madison Extension Horticulture Program | 3500 University Ave. | Madison, WI 53705 US
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