Portrait Photograph of Lisa Johnson

Lisa Johnson

Dane County Extension Horticulture Educator

Agriculture Institute, UW-Madison Department of Extension

Hometown: Madison, WI

Lisa has a bachelor’s degree in Horticulture from the University of Wisconsin-Madison and a master’s degree in Life Sciences Communication. Prior to that, she worked in the horticulture industry for eight years. She has been the Dane County Extension Horticulture Educator since 2004. Among her responsibilities are working with Master Gardener Volunteers, providing continuing education for the horticulture industry, overseeing the Dane County Extension Teaching Garden, and acting as staff for the Dane County Tree Board. She gives frequent presentations to garden clubs, non-profits and libraries in southern Wisconsin, and is a regular guest on Larry Meiller’s ‘Garden Talk’ program on Wisconsin Public Radio.


  • All About Jumping Worms

    Annuals: Care, maintenance and recommended species

    Apples and Pears: Care and Selection

    Berries (strawberries, raspberries and blueberries) Each one can be a stand-alone talk

    Butterfly Garden Basic Design Features

    Conifer ID

    Deciduous shrubs: new and popular species

    Emerald Ash Borer Management

    Garden Design

    Gardening with Children

    Garden Thugs: Perennials Not to Plant

    Groundcovers for Sun and Shade

    Gypsy moth


    Hostas and companion plants

    Invasive Plants: ID and Control

    Landscape Design

    Lawn Care

    Native (and Nativar) woody plants for small spaces

    Native Plants and Pollinators

    Ornamental grasses

    Organic techniques for growing vegetables

    Perennials for sun and shade

    Phenology and Degree Days

    Plants that grow under black walnut trees

    Plants for Fall Color

    Proper tree planting

    Proper tree pruning

    Pruning conifers

    Pruning deciduous shrubs

    Pruning fruit trees

    Pruning Old Overgrown fruit trees

    Rain gardens: design and plant recommendations

    Shade perennials

    Soils and plant nutrition

    Spring Bulbs: Tulips, Daffodils and Beyond

    Spring-blooming shrubs

    Sun perennials

    Trees (Deciduous) over 40’

    Trees (Deciduous) under 40’

    Trees for heavy clay soils

    Vegetable Diseases and Insects

    Vertical vines for the garden

    Weed ID and Management

    Wisconsin Spring Wildflowers in Woodlands and Prairies

    Container Gardening

    Growing Tomatoes in Dane County

    Healthy Houseplants

    Installing A Perennial Garden

    Seed Saving

    Seed Starting

    Square-foot and Raised Bed Gardening (for veggies and flowers)

    Annuals and Perennials

    Vegetables 101

    Getting the Garden Ready for Winter