Master Gardeners of Mercer County

Providing horticultural information and programs to the community

Welcome!

Vision Statement

Master Gardeners of Mercer County envisions thriving, sustainable communities where gardening inspires environmental stewardship, strengthens community connections, and enhances the beauty of our shared spaces. Through the knowledge, passion, and practical experience of trained Master Gardener volunteers, we strive to cultivate a lasting positive impact in our local communities.

Mission Statement

Master Gardeners of Mercer County is a 501 (c) (3) nonprofit alumni association of trained Master Gardener volunteers dedicated to sharing our knowledge and passion for gardening with the community. Our members combine evidence-based gardening practices with practical experience to support local gardening projects that foster environmental sustainability, community engagement, and beautification.

Good News! Governor Murphy signed the New Jersey Invasive Species Management Act!

Explore Our Gardening Tips

Spring Tulips
Spring Azaleas
Spring Virginia Bluebells
Witch Hazel
Spring Fiddleheads
Spring Pansies
Spring PussyWillow

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Spring Tulips

Spring Azaleas

Spring Virginia Bluebells

Witch Hazel

Spring Fiddleheads

Spring Pansies

Spring PussyWillow

**Timely Tips by Month**

Each month offers ideas and suggestions for what to do or *not do* and what to look out for as well as informative links to other sites. Check nearby months since nature doesn’t precisely abide by our calendar. Just click on a month.

Look at General Tips for information that applies throughout much of the year like composting, help with gardening questions, soil testing, and more.
January It’s Winter But You Can Still Dream Of Gardening! Preventing Wildlife Damage, Seed Catalog Codes, Winter Landscape	February Time to Get Pruning! Compost, Helping Birds, Houseplants, Pruning	March Pruning and Seed Starting Early Plants, Pruning, Seed Starting, Spring Clean-up	April Preparing for the Busy Growing Season Cutting Back, Ephemerals, Indoor Plants, Lawns, Planting
May So Little Time, So Much To Plant! Butterfly Garden, Cutting Back, Pruning, Time to Plant	June June Is Busting Out All Over! Lawn Mowing, Spring Foliage Maintenance	July The Heat is On! Watering, Pollinators	August Harvest Time! Butterflies, Fall Crops, Lawn Maintenance
September Fall is for Planting Planting, Lawn Renovation, Spotted Lantern Fly	October Leave the Leaves Frost, Leaves as Mulch, Spotted Lantern Fly	November Preparing for Winter Bulbs, Feeding Birds and Pollinators, Leaf Composting, Seasonal Maintenance, Soil Tests	December Winter Blooming Plants Blooms, Birds, Seeds

Click More Gardening Resources for a list of websites that Mercer County MGs find informative.