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Planting and caring for trees, shrubs and landscape plantings will make your yard attractive.

General requirements and care

Selecting trees and shrubs

Native plants and beneficial insects

Pest management

Emerald ash borer

Gypsy moth

Conifer Corner

Dr. Bert Cregg of Michigan State University writes “Conifer Corner” regularly for “The Michigan Landscape magazine, a bimonthly publication of the Michigan Nursery and Landscape Association (MNLA). You can visit MNLA’s consumer website at Plant Michigan Green. Dr. Cregg’s articles are listed by topic below.

Additional resources


  • Oh, deer. Oh, dear.

    November 10, 2011 | Beth Clawson | Planting deer-resistant landscape plants this fall can help discourage deer and rabbits from using your garden as a free buffet during the winter.

  • Rosemary: The herb with winter problems

    November 2, 2011 | Gretchen Voyle | Cold, dark winters are a challenge for keeping a rosemary plant alive for next spring.

  • Fall needle drop: A natural phenomenon in conifers

    October 21, 2011 | Mary Wilson | Don’t panic! Losing old needles in the fall is normal for pines, spruce, fir and arborvitae.

  • October gardening tips

    October 20, 2011 | Mary Wilson | The weather may be growing cooler, but don’t take a gardening rest just yet! The time for “R&R” will come when you’ve properly prepared your beds for winter and next spring.

  • Late fall oak caterpillar causing nuisance

    October 10, 2011 | Russell Kidd | Got tiny caterpillars dangling down on threads and laying tiny, white, rice-like cocoons everywhere? Sounds like you have a bad case of oak skeletonizer!

  • Fall predictions for landscape trees

    September 19, 2011 | Bert Cregg | Weather patterns may impact fall color and winter injury to landscape trees.

  • Magnolia scale is starting to appear on magnolias

    September 8, 2011 | Robert Bricault | Blackening branches and leaves on a magnolia often indicates a serious infestation of magnolia scale.

  • When to control tar spots on maples

    August 26, 2011 | Jan Byrne | Although tar spot symptoms are readily visible now, pause for a moment to consider the overall impact on tree health and appropriate chemical management.

  • Gypsy moth finding a niche in evergreens

    August 18, 2011 | Robert Bricault and Gretchen Voyle | Spruce trees provide haven for low populations of gypsy moth. Inspection of plants and sites where eggs could be laid is the key to preventing damage next year.

  • Late summer tips for gardeners

    August 16, 2011 | Rebecca Finneran and Mary Wilson | Late summer offers a host of rewarding gardening work that produces both beauty and bounty.

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