Home gardening questions? Call 1-888-678-3464
Office: (616) 994-4701
12220 Fillmore St.
West Olive, MI 49460
Michigan State University Extension
Heidi Lindberg is a greenhouse and nursery extension educator based in Ottawa County. She serves greenhouses and nurseries in western Michigan including the large density of ornamental plant production in Allegan, Kent, Ottawa, and Muskegon counties. Her major program initiatives include: lighting for efficient production of greenhouse crops, biological control in greenhouses, promoting pollinators, and marketing of ornamental plants.
April 28, 2017 | Students have the opportunity to learn about photoperiodic versus photosynthetic lighting in this three-month, self-paced online course about greenhouse and horticultural lighting. Registration closes May 31, 2017.
April 17, 2017 | Zonal geraniums with low pH can exhibit iron and manganese toxicity symptoms, including marginal chlorosis, leaf speckling and upward-cupping of the leaves.
April 14, 2017 | Updated guide of common greenhouse pests and their insecticide recommendations for greenhouse vegetables.
March 22, 2017 | Part 2 of a series on adjusting substrate pH will discuss commonly used lime products growers are using to adjust (raise) substrate pH.
March 22, 2017 | Part 1 of a series on adjusting substrate pH will discuss how the type, particle size and hardness of limestone will effect substrate pH.
February 2, 2017 | We review the most common hosts for the top greenhouse insect pests.
February 2, 2017 | Insect and disease management recommendations and impatiens downy mildew preventative spray programs for the 2017 growing season.
January 17, 2017 | Frequently asked questions regarding the new Worker Protection Standards requirements for medical evaluations and fit testing for respirator use.
January 3, 2017 | Seven projects in 2016 improved production practices and viability of the Michigan floriculture industry.
December 20, 2016 | Seven projects in 2016 improved production practices and viability of the Michigan floriculture industry.