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Master Plan

Guilford Run Bioretention Facility


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needed parking lot space required for use as implementation staging grounds. Funding for the project came largely from an award of $9,000 from the UM Campus Green Fund and a Chesapeake Bay Trust Mini Grant award of $5,000. Some of the woody plant material was generously donated to UM by the Mid-Atlantic Nurserymen’s Trade Show (MANTS). The project leaders for MSE are Brennan Keegan and Phil Sandborn.


While the name “Bioretention Facility” reflects the technical side of this garden, the LID engineering aspects are mostly hidden from view. What can be seen is an aesthetically pleasing garden of woody and herbaceous plants native to our area and specially selected to withstand periodic inundation. Woody species include Virginia sweetspire (Itea virginica), red-twig dogwood (Cornus sericea), Summersweet (Clethra alnifolia), american beautyberry (callicarpa americana), black chokeberry (Photinia melanocarpa), bayberry (Morella pensylvanica), wax myrtle (Morella cerifera), winterberry (Ilex verticillata), inkberry (Ilex glabra), and river birch (Betula nigra). Herbaceous species include red columbine (Aquilegia canadensis), woodland phlox (Phlox divaricata), black-eyed susan (Rudbeckia hirta), sweetscented joe pye weed (Eupatorium purpureum), goldenrod (Solidago canadensis), Virginia wildrye (Elymus virginicus), switchgrass (Panicum virgatum), big bluestem (Andropogon gerardii), and a raingarden wildflower seed mix to fill in for the first year and keep weeds down.

Native Garden