Green Thumb Gardening Spring Series 2023 – CLOSED


Classes are 6:00 pm to 8:00 pm; see descriptions below

Wisconsin Spring Wildflowers March 6: This class will focus on spring ephemerals and non-ephemeral perennials in woodland settings, but also cover some spring-blooming prairie forbs as well. Information about how these plants propagate, and how they are used by pollinators will also be covered. (Speaker Lisa Johnson) this includes Shade and Ornamental

Tree Pruning and Tree Planting March 13: Trees are an investment in the environment. Learn how to properly prune for good structure, which creates a safe and strong tree that remains an asset for many years. We will review the 3-cut method and making decisions on what to cut and how much to cut. We will also cover proper planting of trees. Many trees are not planted properly, and it often affects their health and longevity. (Speaker Lisa Johnson)

Shrub Pruning March 21: It is important to prune shrubs periodically, not just to control height and width, but for better flowering, fruiting and overall health. Different shrubs need different pruning techniques and they should be pruned at different times of the year. We will cover proper pruning techniques for different types of deciduous shrubs. You will receive an electronic copy of a chart that covers timing and techniques for pruning many deciduous shrubs. (Speaker Lisa Johnson)

Wisconsin Butterflies and Creating a Butterfly-friendly Garden March 27: Wisconsinites have recorded more than 160 species of butterflies in the Badger State, from one-time visitors to native residents. Dr. Douglas Buege, current president of the Southern Wisconsin Butterfly Association, has witnessed and photographically recorded more than 130 of the winged wonders. This talk will be followed by a presentation by Lisa Johnson on butterfly gardening. Learn which plant species are especially attractive to butterflies, and what other garden features you can install to support them. (Speaker Dr. Douglas Buege and Lisa Johnson)

Rain Gardens and Pollinator Gardens: Planning, Construction and Native Plants April 3: Learn about how to properly site and construct rain gardens and pollinator gardens. You will see examples of planting plans and be introduced to resources on rain gardens and in addition, we will review a list of plants that do well in rain gardens and are also attractive to pollinators. (Speaker Lisa Johnson)

*Strawberries, Raspberries and Blueberries April 10: We will review proper planting, fertilizing, and pruning 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)

Perennials for Sun and Shade April 17: Learn about selecting perennials for your garden as well as general care, propagation and maintenance. We will cover herbaceous perennial plants (native and non-native) that will thrive in full sun, part sun, and light, medium and deep shade. We will also discuss plants that tolerate different moisture regimes in sunny and shady environments. (Speaker Lisa Johnson)

You can register for classes as a package for a slight discount, or choose selected classes for a slightly higher cost. In cases of financial need, a limited number of scholarships are available. Contact Lisa Johnson at for more information.

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