University of Minnesota Extension, Fruit - Find variety recommendations, planting tips, and care recommendations for fruit in Minnesota.
Vegetable MD Online - Although outdated, find information on various vegetable diseases and disorders.
University of Minnesota Yard and Garden - Start here for science-based horticulture information from the University of Minnesota
Soil Testing Laboratory - Gather and submit soil samples to learn more about the health of your garden soil. Includes resources for learning how to interpret soil test reports.
University of Minnesota Extension, Insects - Find information on insects you may find throughout your garden or lawn.
What Insect is This? - Identify and get more information on common Minnesotan insects from this University of Minnesota insect diagnostic tool.
BugGuide for identification, images, and information for insects, spiders and their kin.
National Invasive Species Information Center - Learn about invasive plants, animals, or pathogens that may be an issue within Minnesota.
Minnesota Department of Agriculture Noxious Weed List - Learn about the noxious weed law, and plants listed in Minnesota as noxious weeds, how to identify them, manage them and prevent their introduction.
Invasive Species in Minnesota - MN DNR provides information on aquatic and terrestrial invasive species in Minnesota.
Master Gardeners are discouraged from providing mushroom identification to gardeners. Refer ID requests to the Minnesota Mycological Society.
University of Minnesota Extension, Plant Diseases - Find information on diseases you may see in vegetables, flowers, fruits, trees or shrubs.
What's Wrong With My Plant? - Identify the insect, disease, or abiotic factor causing problems in your garden with this University of Minnesota diagnostic tool.
Plant Disease Clinic - Submit diseased plant samples for further testing. Does incur costs for gardener; recommended for trees and valuable landscape plants.
University of Wisconsin Plant Disease Clinic - Use the vast collection of fact sheets to learn more about various plant diseases.
Symptoms and Signs for Plant Problem Diagnosis - An Illustrated Glossery - Use this thorough resources from Purdue Extension to find pictures and description of a variety of plant diseseases.
Plant Identification Online Resources - use this list of non-Midwest resources from the University of Massachusetts Amherst to help with plant identification
Minnesota Wildflowers - this field guide to the flora of Minnesota includes pictures of wildflowers, tress, shrubs, vines, and other plants. This is not a diagnostic guide.
Minnesota Hardy - Find recommendations for fruit varieties bred by the University of Minnesota.
The Best Plants for 30 Tough Sites - Find recommendations for the best plants for thirty tough garden sites, such as dry shade, slopes, lake shores, etc.
Plant Elements of Design plant selection tool - Add your selection criteria (soil, sun, space, etc.) and click search to find plants that match.
Plant Identification Online Resources - use this list of non-Midwest resources from the University of Massachusetts Amherst to help with plant identification
Plant Finder - See plants in the landscape by using this searchable database for the living plant collections at the Minnesota Landscape Arboretum.
A Beginners Guide to Minnesota Trees (PDF) - Identify common Minnesotan trees with this PDF from the College of Natural Resources at the University of Minnesota.
Pruning Ornamental Trees and Shrubs (PDF) - Learn the basics of what tools you will need, how to approach pruning, when to prune various ornamental shrubs, and how to make pruning cuts from Purdue Extension.
Trees Are Good - Use this resource for finding certified arborists through the International Society of Aboriculture.
Lilac Issues 2020 - Use this resource to diagnose potential issues with lilacs, seen in the summer of 2020.
Trees and shrubs - Find plant lists to help you select trees and shrubs for pollinators, for shady sites, and for Minnesota landscapes.
Is this plant a weed? - Identify weeds using the University of Minnesota Extension diagnostic tool.
Weed ID Guide - Use the key to find out what weed you're dealing with, or search for pictures with this University of Missouri Weed Identification Guide
Weed ID & Management - This diagnostic tool from the University of Wisconsin will walk you through identification of common upper Midwest weeds.
Minnesota Noxious Weeds - use this list to identify various weeds of Minnesota
Don't see a resource you often use? Submit it by emailing mgweb@umn.edu
Internet Center for Wildlife Damage Management - Learn how to identify damage from wildlife, prevent future wildlife issues, and learn about various control options.
Minnesota Department of Natural Resources - Learn about animals you are likely to encounter throughout Minnesota, including animal damage prevention and control.
How to manage deer damage on trees and other plants - Learn about deer feeding, deer damage identification, and how to protect plants from deer damage.
Protecting plants from deer - Learn about micro-enclosures and deer repellents.
How to get rid of moles in your yard - How to trap moles in your yard
How to manage vole damage in your yard - Learn about the vole lifecycle, identifying vole damage and how to prevent and manage vole damage.