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Home and Garden Information Center

We connect Maryland residents to trusted, science-based resources to grow healthy gardens, landscapes, and communities. Send us your questions, view gardening resources, and connect with the Master Gardener Program for local classes and other learning opportunities in person. All are welcome!

 

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    Master Gardener Program

    Master Gardeners are volunteers who combine their love of plants, people, and the environment to help Maryland residents grow healthy gardens.

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    Gardening Resources

    Explore all gardening topics: native and invasive plants, soil testing, food gardening, tree and shrub care, indoor plants, diagnosing problems, and more.

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    Ask Extension

    Get answers from our team of Maryland Certified Professional Horticulturists, Extension Faculty, and Master Gardeners.

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Hot Topics

  • Turfgrass

    Organic Lawn Care

    An organic lawn is managed without synthetic fertilizers or pesticides. However, it does not mean discontinuing basic lawn care maintenance practices. If your lawn sustained summer damage from the drought, overseeding should be done in the fall. 

  • green and black striped caterpillar on boxwood

    Pest Alert: Box Tree Moth

    Box tree moth is a new invasive pest that chews the leaves of boxwood plants. This insect has not been observed in Maryland yet but it has been found in Delaware and several other US states. If you see this pest, please report it to us.

  • blue flowers - lobelia siphilitica - and yellow flowers in the background

    September Gardening Tips

    Save and share seeds from flowers that have finished blooming. Cool-season turf lawns can be fertilized this month; follow the Maryland lawn fertilizer schedule. Plant a cover crop to protect and improve your vegetable garden soil.

Videos & Webinars

Four Fun Things at the Learning Garden: Maryland State Fair

A Summer Squash Resistant to Squash Vine Borers

Herb Garden at the Maryland State Fair

Watch More Videos

Blog Highlights

  • two rain barrels set up by shrubs

    How to Make a Rain Barrel System for Your Yard and Garden

  • a sign that says pardon our mess pollinators at rest

    How to Protect Pollinators in the Fall

  • a wilted stem of lobelia

    Q&A: What Causes Patchy Wilting?

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(PDF) 2023 Home & Garden | Master Gardener Annual Report 
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Hours: Gardening questions and photos can be sent anytime, HGIC's Certified Professional Horticulturists will respond to your questions typically within 48 hours.