The New London County Extension Service in Norwich announced this week that the catalog of Garden Master Classes is now available at: www.ladybug.uconn.edu.

The classes are offered through the UConn Master Gardener Program and are open to the public. There is a fee for most. They are offered around the state and focus on a wide range of topics. To register, print the registration form at the end of the catalog and mail it with your check to the Home & Garden Center. Upcoming courses at the extension center in Norwich include:

“Subterranean Society,” with Dawn Pettinelli of the UConn Soil Lab. She will address the importance of the many soil organisms, critical to natural cycles we all depend on. The class will meet from 5 to 7 p.m. March 6.

“Medicinal Plants: Rich History, But is there a Future?” with Gary Schulte, who has partnered with several scientific research organizations on pharmaceuticals from plants. He will talk about the evolution of plant materials in medicinal formulations up to the present. The class will meet from 10 a.m. to noon on March 28.

For information, contact Susan Munger, New London County master gardener coordinator, at (860) 885-2823 or: susan.munger@uconn.edu.