Heidi Lindberg
Contact Me
West Michigan Greenhouse and Nursery Education & Research
Ottawa County Extension Office
Phone:
616-994-4701
Email:
wollaege@msu.edu
Related Work
Authored Articles
- Register now for online biological control for greenhouse growers course, November 4, 2024
- Sign up today for four greenhouse online courses, November 4, 2024
- Enroll in courses for plant health professional certificate program, November 4, 2024
- Registration for online root zone management course now open, November 4, 2024
- Register for the online Abiotic Disorders of Greenhouse Crops Course, November 4, 2024
- Registration for online greenhouse and horticultural lighting course now open, November 4, 2024
- Registration now open for the Michigan Greenhouse Growers Expo, October 29, 2024
- Featured Four: Favorites from Walters Gardens, September 12, 2024
- Featured Four: Favorites from DGI Propagators Trial Gardens, September 12, 2024
- Featured Four: Favorites from Mast Young Plants Trial Garden, September 12, 2024
- Featured Four: Favorites from Raker-Roberta's Young Plants, September 12, 2024
- Featured Four: Favorites from MSU Trial Gardens, September 12, 2024
- Featured Four: Favorites from Pell Greenhouses, September 12, 2024
- Featured Four: Favorites from Four Star Greenhouses Display Gardens, September 12, 2024
- Christmas tree farm report – July 26, 2024, July 29, 2024
- Box tree moth quarantine covers 12 southern Michigan counties, June 19, 2024
- New box tree moth compliance agreement for quarantine counties, June 13, 2024
- Some cultivars of annual plants are pollinator-friendly, June 6, 2024
- Creating captivating containers, May 24, 2024
- The tulip craze: Origins of the tulip, May 1, 2024
- Greenhouse disease and insect management recommendations for 2024, April 9, 2024
- Consult breeder culture sheets for success with new cultivars, March 20, 2024
- Frost and freeze protection for nursery crops, February 27, 2024
- Protect your greenhouse or nursery business and your employees, February 15, 2024
- Becoming a greenhouse guru: Eight tips for a new grower, February 15, 2024
- Box tree moth and spotted lanternfly have been found in Michigan—now what?, February 12, 2024
- Updated bulletin on biological control agents for greenhouse pests available for free download, January 25, 2024
- Top four ‘favs’ from each Michigan Garden Plant Tour site, August 16, 2023
- Where can I learn more about how to grow this crop?, April 4, 2023
- Variety is key for successful horticulture internships, March 31, 2023
- Go green: Recycling horticultural plastics, May 26, 2022
- Scout, rogue and repeat to reduce the spread of chili pepper mild mottle virus, April 15, 2022
- Best annual and perennial varieties according to the 2021 Michigan Plant Trials, April 5, 2022
- How do I use less energy to heat my greenhouse?, November 5, 2021
- What’s causing unusual growth on my poinsettias?, October 25, 2021
- Cut flower farming: Is it right for you?, October 14, 2021
- What growers and landscapers need to know about box tree moth, July 19, 2021
- Cool combo containers to consider, June 14, 2021
- Sizzling spring at garden retailers, June 14, 2021
- Michigan Christmas tree pest update – June 4, 2021, June 4, 2021
- Frost and freezing temperatures and ways to protect plants, May 20, 2021
- Forecasted temperatures give a green light for planting, May 20, 2021
- Lymantria dispar populations are high: What conifer growers need to know, April 16, 2021
- Spring is early! Can I plant my garden now?, April 2, 2021
- Prepare your scouting plan for your Christmas trees, March 31, 2021
- Utility companies offer incentives for energy-efficient lighting, February 24, 2021
- Cashing in on gardening motivations, February 12, 2021
- On-demand 2020 Nursery Conference now available, September 21, 2020
- Michigan landscape update - Aug. 11, 2020, August 13, 2020
- Identifying risks for COVID-19 exposures in the workplace: Agriculture, July 27, 2020
- Weed management strategies in greenhouses – Part 1: Non-chemical weed control strategies, April 22, 2020
- Garden center retail survival strategy series: Marketing and merchandizing, April 20, 2020
- Garden center retail survival strategy series: Communicating in extraordinary times, April 20, 2020
- Garden center retail survival strategy series: Thinking through the shopping experience, April 20, 2020
- Resources for greenhouse growers, florists and retailers during the COVID-19 pandemic, April 20, 2020
- How to identify and manage yellow woodsorrel in nurseries and greenhouses, April 15, 2020
- Garden center retail survival strategy series: Overcoming challenges with a holistic approach, April 9, 2020
- Holding greenhouse crops, March 25, 2020
- How to identify and manage liverwort in nurseries and greenhouses, February 7, 2020
- Hemp production resources from Michigan State University, January 23, 2020
- FAQ on hemp licensing and regulation, January 23, 2020
- How do I start an educational greenhouse at school?, January 2, 2020
- How do I find pesticide education resources, review manuals and applicator tests?, November 18, 2019
- Registration open for the 2019 Greenhouse Growers Expo, October 22, 2019
- MSU hires new weed specialist for ornamentals, September 30, 2019
- Preventing the spread of boxwood blight in landscapes, September 10, 2019
- Preventing boxwood blight in nurseries, September 10, 2019
- Browning of boxwood: Is it boxwood blight?, September 10, 2019
- New lavender online course now available, August 6, 2019
- Nursery production tour set for Aug. 7, 2019 in west Michigan, July 18, 2019
- Exploring opportunities: Growing industrial hemp in Michigan, July 8, 2019
- Growing lavender in Michigan: Advice for a purple garden, June 12, 2019
- e-GRO: Providing free online education for greenhouse growers, May 1, 2019
- Registration now required to sell non-native aquatic plants, April 19, 2019
- Tree, turf and ornamental plant update – April 19, 2019, April 19, 2019
- Aquatic plant species prohibited from sale in Michigan, April 19, 2019
- Decorating with plants, April 5, 2019
- Reducing labor through streamlining production, April 4, 2019
- On-demand webinars for nursery growers now available, February 26, 2019
- Upcoming events for greenhouse growers during January – March 2019, January 4, 2019
- New Worker Protection Standards resources for trainers, workers and handlers, January 3, 2019
- e-GRO: Providing free online education for greenhouse growers, December 11, 2018
- Decreasing greenhouse expenses, November 14, 2018
- Nematodes in ornamental plant production: Good or bad?, October 10, 2018
- Combating root-knot nematodes in daylilies: Experimental results – Part 1, October 10, 2018
- Michigan floriculture: Cultivating beauty, September 6, 2018
- 10 Fresh Ideas for Your Garden from Europe, August 7, 2018
- Marketing Munchies: For the horticulture grower, wholesaler and retailer, July 23, 2018
- Sign up today for free commodity-based, two-day drone workshops, July 19, 2018
- Right plant, right place: Malta, July 12, 2018
- Gardening as a reflection of history and culture, June 21, 2018
- FAQ regarding the New Worker Protection Standard – Part 1, May 8, 2018
- FAQ regarding the New Worker Protection Standard — Part 2, May 8, 2018
- Essential concepts for managing Xanthomonas in Begonia — Part 3, April 27, 2018
- Topdressing container nursery plants for liverwort control, March 12, 2018
- Vegetative cutting and young plant propagation resources, February 26, 2018
- Early spring 2018 events for greenhouse, nursery and Christmas tree growers, January 8, 2018
- Managing substrate pH of soilless substrates, January 8, 2018
- Top eight take-home messages of the urban pollinator conference, December 6, 2017
- What do you really know about bees?, December 6, 2017
- Resources on hemlock woolly adelgid, September 26, 2017
- Fall 2017 events for greenhouse and nursery growers, August 18, 2017
- Broad mites in ornamental crops — Part 2: Scouting and sampling, July 13, 2017
- Broad mites in ornamental crops — Part 1: Challenges and treatments, July 13, 2017
- Jeremy Jubenville joins MSU floriculture team serving southwest Michigan, July 7, 2017
- Biopesticides for use in greenhouses in the U.S., June 22, 2017
- What is a biopesticide?, June 22, 2017
- An emphasis on a healthy lifestyle will set your garden center apart, May 1, 2017
- Low pH induces iron and manganese toxicity in geraniums, April 17, 2017
- Insecticides for common pests on greenhouse vegetables and transplants, April 14, 2017
- Commonly used limestones for adjusting pH in greenhouse mixes, March 22, 2017
- Different types of limestone to increase substrate pH, March 22, 2017
- Attention scouts: Crops that are insect “magnets” in the greenhouse, February 2, 2017
- FAQ regarding new Worker Protection Standards changes, January 17, 2017
- 2016 MSU floriculture research summaries – Part 2, January 3, 2017
- 2016 MSU floriculture research summaries – Part 1, December 20, 2016
- New greenhouse and nursery educator serving west Michigan, December 5, 2016
- New USDA survey offers insight into Michigan’s nursery industry, November 2, 2016
- Increasing plant quality is a focus of 2016 Greenhouse Growers Expo, November 2, 2016
- Greenhouse and horticultural lighting course winter session registration open, October 24, 2016
- Michigan’s nursery and greenhouse industry – Part 2, October 13, 2016
- Michigan’s nursery and greenhouse industry – Part 1, September 29, 2016
- New online course on biological control for greenhouse growers, September 15, 2016
- Tomato spotted wilt virus symptoms in chrysanthemum, August 11, 2016
- What is that black aphid on my chrysanthemum?, August 9, 2016
- Think Environmentally, Plant Responsibly: Three new videos, August 1, 2016
- Online training opportunities for greenhouse and nursery growers: Part 2, July 18, 2016
- Online training opportunities for greenhouse and nursery growers: Part 1, July 18, 2016
- Registration for greenhouse and horticultural lighting course closing June 30, June 23, 2016
- Western flower thrips biological control in the summer, June 15, 2016
- Controlling whitefly in the greenhouse, June 15, 2016
- Breaking botanical boundaries in container planters, May 19, 2016
- Greenhouse and horticulture lighting online course registration opens June 1, May 19, 2016
- Six steps to identifying nutrient deficiencies in ornamental plants, April 18, 2016
- What sustainable practices do ornamental plant consumers value?, April 1, 2016
- Calibrate your pH and EC meter in your greenhouse, March 14, 2016
- Thielaviopsis symptoms and control, March 9, 2016
- Root rots: Can you tell the difference?, March 7, 2016
- Resources for greenhouse growers considering organic certification, February 22, 2016
- Which vegetative cuttings should I stick first?, February 4, 2016
- How the green industry and gardeners can get involved in pollinator projects, January 8, 2016
- Live webinars on plant nutrition for ornamental and Christmas tree growers, January 6, 2016
- New resources on greenhouse integrated pest management, December 1, 2015
- Protecting Pollinators in Ornamental Landscapes participants learned bee decline complexities, November 12, 2015
- A guide to greenhouse sanitation for growers: Prepare now, sweat less later, November 9, 2015
- Tips for effective boom lighting, October 1, 2015
- How the metrics of US garden centers compare with those from other countries, October 1, 2015
- New greenhouse and horticultural lighting non-credit online course now available, September 18, 2015
- Demonstration gardens in retail garden centers – show them how it’s done, September 17, 2015
- Finding your style as a garden center retailer, September 17, 2015
- Register now for a greenhouse bus tour to Ontario in October, September 10, 2015
- Danish garden center trends: Topiaries, training and trellising plants, August 20, 2015
- Twelve ways Danish garden centers enhance their consumer’s experience, August 19, 2015
- Three summer nursery update webinars now available, August 19, 2015
- Why should greenhouse growers pay attention to vapor-pressure deficit and not relative humidity?, July 30, 2015
- Register early for Protecting Pollinators in Ornamental Landscapes Conference, July 24, 2015
- First national conference on how to protect pollinators in ornamental landscapes, June 10, 2015
- Protecting Pollinators in Ornamental Landscapes Conference keynote speakers announced, June 1, 2015
- Rhizoctonia stem rot occurs on numerous ornamental plant species, May 15, 2015
- Using Enviro-weather to monitor European pine sawflies in Michigan, May 5, 2015
- Why should you consider marketing your plants as bee-friendly? – Part 2, April 16, 2015
- Bee-friendly plants and pest management strategies – Part 1, April 16, 2015
- Three new webinars available for nursery growers, March 18, 2015
- Ice, ice baby: How to prevent your plant diagnostic samples from freezing, March 3, 2015
- New webinars available for greenhouse growers, March 2, 2015
- Fluoride toxicity in plants irrigated with city water, February 20, 2015
- How to take air samples in the greenhouse to test for ethylene and other air pollutants, February 17, 2015
- Applying pollen over a crop as an alternative food source for predatory mites, January 20, 2015
- Common banker plants in insect biological control systems, January 20, 2015
- Learn how consumers and ornamental plant growers can protect pollinators at Ag Action Day, January 16, 2015
- Low daily light integrals in northern latitudes, December 15, 2014
- How low can you go? Low daily light integrals impact young plant quality and production time, December 15, 2014
- So you want to bring a new plant to market? Part 1, November 19, 2014
- So you want to bring a new plant to market? Part 2, November 19, 2014
- Need training for ornamental plant growers?, October 16, 2014
- Southwest Michigan greenhouse bus tour offered at 2014 Greenhouse Growers Expo, October 15, 2014
- Should you manage these five insects commonly found on coniferous and deciduous trees?, October 14, 2014
- Fusarium wilt of Cyclamen, September 4, 2014
- Increasing energy efficiency in the greenhouse, September 2, 2014
- Black dots on maple: Tar spot, August 6, 2014
- It’s getting hot in here: High temperature stress on poinsettias, August 4, 2014
- Fire blight reported in landscape crabapples, July 30, 2014
- Scout your Bradford pears now for European pear rust, July 23, 2014
- Winter injury continues to show up in commercial nurseries, June 9, 2014
- Purchase behaviors of online and mobile gardening consumers, June 3, 2014
- Are you having trouble controlling thrips in greenhouses?, June 3, 2014
- Peak plant sales season is now: What really is the largest factor contributing to sales?, May 9, 2014
- Bacterial pathogen: Acidovorax on petunias, May 1, 2014
- Common questions and answers about tobacco mosaic virus, April 11, 2014
- Common types of viruses of floriculture crops and their modes of transmission, April 3, 2014
- How to manage plant viruses in the greenhouse, April 3, 2014
- Heavy snow loads and low temperatures challenge Michigan greenhouse growers, March 17, 2014
- Can applying milk to tools or plants be effective in reducing virus transmission?, March 2, 2014
- Timing the release of beneficials is critical to biocontrol success, March 2, 2014
- Looking to increase sales? Marketing Bootcamp offered for greenhouse and garden center retailers, February 24, 2014
- Eco-labeling: Which terms really are effective in marketing ornamental plants?, February 7, 2014
- Green light: Is it important for plant growth?, February 6, 2014
- Bounce dryer sheets for fungus gnat control: More than household items?, January 13, 2014
- Does light quality impact the development of edema?, January 8, 2014
- Beneficial insects: A must-have item on your holiday list, December 19, 2013
Authored Documents
- Up, Down or Steady? 2023 Season Recap, May 7, 2024
- Commercially Available Biological Control Agents for Greenhouse Insect and Mite Pests, January 24, 2024
- Preparing Your Scouting Plan for 2022, April 30, 2022
- Identifying and managing yellow woodsorrel (Oxalis stricta L.) in nurseries and greenhouses, April 6, 2020
- Identifying and managing liverwort in Michigan nurseries and greenhouses, January 28, 2020
- Michigan Department of Agriculture and Rural Development Hemp FAQ, December 23, 2019
- Integrated Pest Management in Greenhouse Crops, November 23, 2015
Courses
- College of Knowledge: Manejo de la Zona Radicular
- College of Knowledge: Iluminación para Horticultura e Invernaderos
- College of Knowledge: Root Zone Management
- College of Knowledge: Greenhouse & Horticultural Lighting
- College of Knowledge: Abiotic Disorders of Greenhouse Crops
- College of Knowledge: Control Biológico para Cultivadores en Invernaderos
- College of Knowledge: Biological Control for Greenhouse Growers
Videos
- Safety First: Preventing on-the-job Injuries and Deaths to Greenhouse and Nursery Workers
- Risk Management for Greenhouse Growers
- Scouting Christmas Trees: Tools for IPM
- Industrial Hemp Production 101: Considerations for Hemp production
- Industrial Hemp Production 101: Hemp Accounting and Business Considerations
- Industrial Hemp Production 101: Hemp: Varieties, production, strategies and growing requirements
- Industrial Hemp Production 101: Insect and Mite pests of industrial hemp
- Integrated Pest Management and Insects