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Annual plant seminar and sale, monarch watch, and other Maryland green events

Crab apples are the only apples that are native to North America.
Crab apples are the only apples that are native to North America.
Photo by zenera from Europe (A posey for my love) [CC-BY-SA-2.0 (], via Wikimedia Commons

The Irvine Nature Center is holding its Annual Native Plant Seminar and Sale on Aug 23. The hours will be 7:30 a.m. to 4 p.m. Topics will include tree health, landscape design, the connection between native plants and bees, and invasive plants. A break and lunch will be provided. Registration is required. For more information, contact Clare Ng at (443) 738-9220.

The Baltimore Free Store will hold its free market on Aug 23 at the Roosevelt Rec. Center. From 10 - 11:30 a.m., volunteers will accept donations; from 12 - 2:30 p.m., they will give away goods. All donations are tax deductible. To learn more, e-mail or visit

The Oregon Ridge Nature Center in Cockeysville is offering Monarch Watch on Aug 23 and 24. The hours are 1 - 3 p.m. Attendees will learn about the different butterfly species in Maryland and the plants associated with them. A park naturalist will describe how the Nature Center raises monarch caterpillars tags them, and releases them as part of the Monarch Watch Study. For more information, call (410) 887-1815 or e-mail

The Prince George's County Chapter of the Sierra Club and the Patuxent Riverkeeper are holding a Patuxent Rive Paddle and Crab Dinner on Aug 23. It will be held at the Riverkeeper's new headquarters in Upper Marlboro from 3 to 7 p.m. For the first two hours, guests may canoe or kayak on the River with a guide. Dinner will be served at 5 p.m. Dinner costs $12.00 a person without crab and $25.00 a person with crab. Aug 24 is the rain date. Registration is required. To learn more, contact Fred Tutman at

The Soldier's Delight N.E.A. in Owings Mills is offering Feathered Friends on Aug 24. It will run 12 - 1 p.m. A naturalist will describe a given bird species. Attendees should meet at the Visitors' Center. For more information, e-mail or call (410) 461-5005.