2021 Green Thumb Gardening Late Spring Series-Online Talks.

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Event Information


May 24th - June 16th, 2021


6:00pm - 8:00pm




Lisa Johnson





The Green Thumb Gardening series will give you the practical knowledge to keep your home garden thriving! University of Wisconsin Extension educators and local horticulture experts will provide in-depth and accessible information for everyone from the novice to the experienced gardener. In 2020-2021, our class offerings have been expanded, including a Fall, Winter, Early Spring, Late Spring, Mid-summer and Late Summer series of classes.

For the safety of all participants, classes will be held online. Blended (in-person/online) classes may be available later in the year as conditions permit. Class registrations are open now.

Late Spring Series 2021 Online Mondays 6:00-8:00 pm

Register here

*Diseases in the Garden May 24 AND May 26 Part 1- Fundamentals of Plant Diseases (24th) and Part 2 – Growing Healthy Plants: Basics In Plant Disease Management (26th): Brian Hudelson of the Plant Disease Diagnostics Clinic will present information about disease-causing organisms (fungi, bacteria, viruses, phytoplasmas and nematodes) and the symptoms they cause, as well as information on environment factors that favor disease development.  Also, learn about disease-like plant disorders caused by non-biological factors such as nutrient imbalances, pesticide exposures, environmental pollutants and adverse environmental conditions.  In Part Two, learn about common methods for disease control, their pros and cons, and how you can adapt these techniques for use in your own home garden. (Speaker Brian Hudelson)

*Strawberries, Raspberries and Blueberries June 7: Learn about planting, fertilizing, pruning and overwintering these three types of fruit crops. Variety recommendations, insect/disease management and some troubleshooting will be included as well. You will receive electronic copies of Learning Store publications as well as learning about other handy online resources. (Speaker Lisa Johnson)

*Insects in the Garden June 9: Insects are an extremely diverse and critically important group of animals.  In this class, PJ Liesch, Director of the UW-Madison Insect Diagnostic Lab will discuss the basic anatomy, physiology, and ecology of these creatures and take a brief look at the main groups of insects. This will help you in identifying insects in your garden, knowing beneficial predator insects from plant-eaters, and understanding management techniques. (Speaker PJ Liesch)

*Healthy Houseplants June 14: Have you ever wondered why your houseplant is not doing well? This class is for you! We will cover general houseplant-growing techniques such as matching light levels with plant needs, proper watering, repotting and fertilizing before moving into ID and management of insect and disease issues. The class will finish up with a review of a number of popular species of houseplants. (Speaker Lisa Johnson)

*Fruit Tree Care June 16: This class will cover fruit tree care, from selection, to planting to pruning. We will cover Integrated Pest Management strategies to help with insect and disease management and review several of the most common culprits. The focus is on apple trees, but pears and plums will also be briefly addressed. You will receive electronic copies of several publications from the UW-Madison Dept. of Extension Learning Store on growing techniques for a variety of fruit trees. (Speaker Lisa Johnson)

Register here