University of Maryland Extension

Trees

Forest Thinning

Forest thinning is a tool that woodland owners use to encouraging trees to grow in way that meets their goals.

Japanese Maple Scale - Woody Ornamental Host Plants

Japanese maple scale (JMS), (Lopholeucaspis japonica Cockerell) (Hemiptera: Diaspididae), is a prolific pest of major concern to nursery crop producers and landscape managers in MD and the eastern United States. JMS is difficult to monitor and manage due to its small size, extended crawler...

My tree looks like it has a wet bleeding wound on the trunk. What is this?

Wetwood
Your tree may have a bacterial infection called “wetwood” or “slime flux”. Wetwood is most commonly found on mulberry, poplar or elm, but can infect many other hardwood trees, such as maple, oak or black gum. Symptoms are a vertical crack on the bark with bleeding, discoloration, and a foul or...
Foliar diseases have made this a difficult spring for shade and ornamental trees in the Central Maryland area, with some trees getting beaten up more than others. Anthracnose has been the main...
On March 3 rd in Cambridge, MD and March 6 th in Salisbury, MD the University of Maryland Extension (UME) partnered with Maryland DNR Forest Service and the Wicomico and Dorchester County Forestry...

Backyard Buffers

Wednesday, Apr. 3, 2013 - 9:00am to 12:00pm
Cambridge Wal-Mart
University of Maryland Extension is partnering with Maryland DNR Forest Service and the Wicomico and Dorchester County Forestry Boards to offer free trees in celebration of Maryland Arbor Day. Free trees will be given to all in attendance, but special tree packets will be given to landowners...

Backyard Buffers

Saturday, Apr. 6, 2013 - 10:00am to 12:00pm
Wicomico Extension Office
University of Maryland Extension is partnering with Maryland DNR Forest Service and the Wicomico and Dorchester County Forestry Boards to offer free trees in celebration of Maryland Arbor Day. Free trees will be given to all in attendance, but special tree packets will be given to landowners...

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