Rutgers Master Gardeners of Mercer County educate the community about research-based horticulture and gardening practices through a network of trained volunteers directed and supported by Rutgers University faculty and staff. Master Gardeners have a long history of service to the public and work to inspire the residents of Mercer County to participate in the rewarding experience of responsible gardening. Click here for more information about the program.

Home gardening, plant, lawn, or insect questions? Wondering which result from your Internet search is the correct answer? We can help! Trained Master Gardener volunteers will research your inquiry to provide you with accurate, science-based recommendations regarding your questions. Please allow 48 hours for a response.

Our Helpline Hours are:

Monday-Thursday 9am-3pm, Friday 9am-Noon

1. In-person at: 1440 Parkside Avenue, Ewing, NJ 08638. Please bring samples and/or photographs* of plants, lawns, insects, etc. needing identification or diagnosis.

2. Call us: 609-989-6853. Leave a message if you are calling outside of Helpline hours.

3. Send us an email at: [email protected] Include your phone number, township and any photographs*.

*Samples and photographs aid us greatly in resolving your questions! Take close-ups as well as wide-angle views, so we can see the entire plant, area of lawn, insect, or setting of concern.