Find information for buying trees and shrubs, the different types of rootballs, and proper planting.

Follow our blog to learn about pollinator conservation, growing native plants and food, and how to solve plant pest and disease problems.

Mulching Trees

Planting a Container- Grown Tree

Watering Newly Planted Trees

Many of our counties are accepting applications for the Spring 2026 Master Gardener Basic Training!

The University of Maryland Extension Master Gardener Program is designed to train volunteer horticultural educators to support the University of Maryland Extension mission by educating residents about safe, effective and sustainable horticultural practices that build healthy gardens, landscapes, and communities. Volunteers receive 40 hours of classroom, hands-on, and virtual instruction in their county of residence so that they can then teach members of their community through workshops, presentations, demonstrations, and more.

This program is open to all Maryland residents who are 18 years of age or older. By joining the program, you'll have the opportunity to learn new gardening skills as well as hone your existing skills. You'll also learn how to solve gardening problems, and be able to teach others to do the same. Best of all, you'll meet new people who enjoy gardening just as much as you do!

To apply, contact the local coordinator for your county.

Thrips in Home Gardens

Check out our consolidated page on thrips.

Box Tree Moth

Box tree moth has officially been reported in Maryland. Check out our box tree moth page for information on this new pest.

Información también disponible en español.

Seed to Supper Beginning Gardener Guides

These guides provide information on low-cost food gardening methods.

Información también disponible en español.

H2O Summit

Tuesday, October 14 | 12:00 p.m. - 4:00 p.m.| Wheaton, MD

Registration deadline: October 7, 2025

The Montgomery County Department of Environmental Protection’s 2025 H2O Summit is a dynamic event that brings together environmental professionals and advocates from across the county. This event offers a unique opportunity to learn from leading local experts in various fields, connect with like-minded individuals to advance protections for our precious water resources, and explore innovative ways to make our waterways more resilient.

Virtual Webinar

Tuesday, October 14 | 7:00 p.m. - 8:00 p.m.

Learn about the invasive spotted lanternfly, box tree moth, and other key invasive insects with Madeline Potter and Dr. Ebony Jenkins.

Establishing a Native Meadow

Saturday, November 1 | 10:30 a.m. - 11:30 a.m. | Woodstock, MD

Native meadows provide vital habitat for pollinators and birds, improve soil and water health, and require less maintenance than turf. A University of Maryland Extension expert will teach how to establish a successful native meadow—from site preparation and seed selection to planting techniques and weed management. Participants will learn how to foster a thriving, self-sustaining landscape that benefits both people and nature. After the presentation, participants will have the opportunity to walk to the meadow restoration project at Mt. Pleasant.

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The University of Maryland Extension programs are open to any person and will not discriminate against anyone because of race, age, sex, color, sexual orientation, physical or mental disability, religion, ancestry, national origin, marital status, genetic information, political affiliation, and gender identity or expression.

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