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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.
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Hot Topics

European Hornets and Yellowjackets

European hornets and other social wasps like yellowjackets will seek out sources of sugar this time of year. Keep outdoor food and beverages covered, rake up and discard fallen tree fruit, and equip trash cans with tight-fitting lids.
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.
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.