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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

  • heirloom tomatoes

    Growing Tomatoes

    Plant tomatoes outside after all danger of frost has passed (around the 2nd to 3rd week of May in Central Maryland). Don’t crowd tomato plants. Most cultivars need 18-24 inches between plants.

  • monarda fistulosa plants in bloom with lavender flowers

    Deer-Resistant Native Plants

    Under current deer population pressure, no plant species is truly "deer proof," but these are our recommendations for  "deer-resistant" native plants.

  • a bee at blue false indigo flowers

    May Gardening Tips

    Summer bulbs like tuberous begonias and cannas can be planted now. Thin boxwood shrubs to reduce disease problems. Mining bees and bumble bee queens are becoming active now — they are important pollinators.

Videos & Webinars

How to Get Your Soil Tested

Tree Care Tips

Growing Herbs in a Homemade Container

Watch More Videos

Blog Highlights

  • rose leaves with a pest - a example of search the web for pest information from Extension

    How to Navigate the Internet When Searching for Solutions to Home Horticulture Problems

  • dried out plant stalks in a garden in the spring - habitat for beneficial insects

    Waiting on Spring Garden Cleanup to Support Beneficial Insects

  • white flowers of bloodroot

    Delicate Wildflowers Signal Spring

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(PDF) 2023 Home & Garden | Master Gardener Annual Report 
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