Home and Garden Information Center

Explore Our Program

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!

Master Gardener Program

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

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

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

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Hot Topics

May Gardening Tips

Learn about getting started growing your own food and how to protect vegetable crops from common insect pests. When shopping for perennials, shrubs, trees, and vines this spring, learn what invasive species to avoid buying. Summer annuals, including bulbs like gladiolus and canna lily, can be planted this month. Look for active beneficial insects, and monitor plants for watering needs.
Identify Spring Weeds

Browse profiles for common weeds resuming growth and flowering in spring, in both lawn and garden beds.
Vegetable Planting Calendar

Learn about the best windows of time for sowing seeds for different vegetable crops. Starting seeds at the ideal time - not too early - allows them to get a head start on growing for the season while not getting too stretched or spindly before they can be transplanted outdoors.