What are the opening hours?

Monday 8:30am - 4:30pm Tuesday 8:30am - 4:30pm Wednesday 8:30am - 4:30pm Thursday 8:30am - 4:30pm Friday 8:30am - 4:30pm

Calvert County Master Gardeners, University of Maryland Extension

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Calvert County Master Gardeners, University of Maryland Extension

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Support the University of Maryland Extension mission by educating residents about safe, effective and sustainable horticultural practices.

10/10/2026

The Calvert County Master Gardeners were at PRAD today giving away native plants, answering questions and doing a craft with the kids!

10/09/2026

End of year garden clean-up and harvest at Annmarie Children's Garden. Crimson clover planted as a winter cover crop. Food is on its way to the food bank.

10/05/2026

Youth Day at the Calvert County fair last week was blessed by good weather. Hundreds of young people and adults stopped by to win prizes by playing our new challenging games. If you missed us, see you next year!

09/12/2026

Plant Swap today at Deale Library.
If you don't have plants to swap no problem there will be plenty for you to take home.
Including: goldenrod, redbud, and black eye Susan.
Note: this is not a Master Gardener program.

08/27/2026

Reminder Saturday starts our mini session of Garden Smarter lectures. We have only 3 talks this fall. We will be talking about soft landing gardens (support insects, birds and other wildlife). Hope to see you Saturday!

Do you want to support insects, birds and other wildlife in your garden? This presentation will describe how to do that with a soft landing garden. Learn what these are, why they are important and how to establish one. This event will be hosted by Master Gardeners at Calvert Library Prince Frederick on Saturday, Aug 29, 10-11am. Maryland wildlife hopes that you will be able to attend!

Link to register: https://calvertlibrary.libnet.info/event/16997341

08/26/2026

Hello fellow gardeners! If you harvest and seeds this fall or have any packaged seeds that are still viable and you are willing to donate, the Calvert County Master Gardeners welcome your donations as we prepare for our annual seed swap. Please drop your seeds off in the blue bucket at the extension office (30 Duke Street in Prince Frederick.) Thanks so much and be on the lookout for the announcement of our seed swap in January!

06/07/2026

Give us shout out if we saw you today at JPPM Children’s Day on the Farm! It was a hot day but there was a breeze. Thanks to Lisa Rodriguez for coordinating our Master Gardener Table and for all Master Gardeners who manned the table and donated plants.

06/02/2026

Don't forget that your kids can get dirty for free on June 7--11:00 to 4:00 PM at Jefferson Patterson Park and Museum for "Children's Day on the Farm." Please stop by the Calvert Master Gardener's Booth to play in the dirt!

05/27/2026

Our own Calvert County Master Gardeners got together last Saturday for some fun with plants! Thanks to everyone who came out and participated!

05/26/2026

Spring harvest of cool weather crops like lettuce and strawberries and early pruning of cucumbers as well as removing cucumber flowers to let the plants grow stronger was completed. Some architectural skills such as working with invasive bamboo to make a support structure for beans was also needed by our good volunteers.

Address

30 Duke Street, Rm 103
Prince Frederick, MD
20678

Opening Hours

Monday	8:30am - 4:30pm
Tuesday	8:30am - 4:30pm
Wednesday	8:30am - 4:30pm
Thursday	8:30am - 4:30pm
Friday	8:30am - 4:30pm

Telephone

(301) 855-1150

Website

https://extension.umd.edu/calvert-county, https://youtube.com/playlist?list=PLcFrYUac3iRjtoP9SJ3AeIlHrkXrKYDba&si=bYUJ8l

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