Sustainability Topics

Restoring the Crum Woods

november-3-2016-rhr-473The complication of the SEPTA Viaduct brings to a close a five-year period of construction in the Crum Woods. Seventeen acres of upland forest and wetland were clear-cut for the SEPTA Viaduct construction. Nine different plant communities are part of the restoration plan ranging from lowland meadow to a red oak mixed hardwood forest.

At 2.55 acres, the tulip tree-beech-maple forest planting is the largest restoration community with woody plants in the mix. photo credit: R. Robert

At 2.55 acres, the tulip tree-beech-maple forest planting is the largest restoration community with woody plants in the mix. photo credit: R. Robert

At 2.55 acres, the tulip tree-beech-maple forest planting is the largest restoration community with woody plants in the mix. As the name implies, …

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Chimaphila maculata

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As we reach fall foliage peak here in the Delaware Valley, it is a great time to take a walk in our native woodland the Crum Woods. While exploring the trails, you may discover the native gem Chimaphila maculata, spotted wintergreen, tucked under the colorful fallen leaves.

This small evergreen perennial is conspicuous during this time of year with its white and green mottled leaves against the yellows, reds, and browns of fall. This delicate groundcover is often found in dry oak-heath forests.

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Here you can see the brown capsules that persist until the next flowering season. photo credit:

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Organic Lawn Goes Blue

October 14 2015 RHR 044Perhaps you noticed patches of blue grass in front of Parrish and Clothier Halls last fall. No, that’s not what the famed “bluegrass” turf species looks like. The unusual color came from a dye mixed into a mineral-based herbicide.

October 14 2015 RHR 045

Mineral-based herbicide was applied to suppress some aggressive patches of white clover. photo credit: R. Robert

It was applied to suppress some aggressive patches of white clover. Prior to this treatment young turfgrass seedlings were planted among the white clover. This herbicide application allows the turfgrass seedlings to develop the size and maturity needed to compete on their own.

August 19 2015 RHR 257

As a

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