Land Restoration & Native Plants

The restoration of natural habitats including streams, wetlands, woodlands and grasslands, is critical to the survival of many species.

Larsen Design Associates has designed projects for both developers and homeowners which have been successful in providing restored wildlife habitat.

Many people are coming to realize that our natural areas are not wasteland. These habitats are aesthetically pleasing. They provide recreation and educational experiences, while requiring less water, fertilizer and maintenance.

( scroll down for works in progress )


Strasburg Park (see below)


restored stream


rain garden after initial planting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


Q.    What is a rain garden?

A.    A rain garden is a depression or basin which is used to infiltrate or get rain water back into the ground. Rain

gardens are planted with flowers, grasses, trees and shrubs that are adapted to wet soils.

In the example above and to the right, the rain garden is located in the Pine Barrens of New Jersey. The soils are very

condusive to rain water infiltration. This rain garden is being used to accomodate all of the runoff from the house and

driveway. Native Pine Barrens plants are used such Switch grass, lowbush blueberry and sweet fern.

To learn more about rain gardens visit this site: Virginia Department of Forestry-Rain Gardens

 

Works In Progress

 

Strasburg Community Park

Environmental Restoration Plan (collaboration with Larry Weaner) (click plan to enlarge)

Located in the Pennsylvania Dutch country, the design plan was created by LDA and Larry Weaner Associates for the
Strasburg Community Parks Association. This non-profit group is funding the park construction through private donations.
The park is under construction in a former cornfield to create a native landscape incorporating woodlands, shrublands,
meadows and wetlands. Gravel and grass pathways, a small parking lot and a performance amphitheater are currently
under construction (October 2002).

The first phase of construction was a seeding of the entire site in a variety of seed mixes. This is the final seeding of
the meadow areas and served as stabilization for areas to be constructed later.The first year (2001) there was not much
visible except for small seedlings. By the second year despite the continuing drought, flowering plants are evident. The
meadow plants should reach maturity in two years.

The next step in the process will be the initial planting of trees for the wooded areas. The intent of the design is to establish canopy and shade as quickly as possible. Therefore fast growing species are used in the initial planting. Diversity will increase with future plantings.

A Fall planting of over 200 trees by volunteers has resulted in 100% success rate.
The meadows are blooming in the third year of growth as patience has been rewarded.
More diversity is coming in spite of the drought years.

Raingarden Amphitheater

Summer of 2004. Rain garden shows diversity including Cardinal Flower. Amphitheater is complete.

Broad Run Reforestation

Environmental Restoration Plan

In nature, stream banks and their natural communities are protected by the woodlands that grow naturally along their banks. The removal of these woods result in erosion and disruption of aquatic life of all kinds. The Broad Run project seeks to restore this streamside woodland to a one mile long section of a Brandywine River tributary. Planting of over 700 2-3 ft. saplings in protective tubes occured in the fall of 1999. Survival to date is 85% and the trees continue gain in size. Some browsing by deer has been noted but it has not killed the trees, yet.


Initial planting (November 1999)                       
After one year, leaves in tube (June 2000)       After two years (June 2001)


Third year alder (November 2002)                    Deer browse of sapling

overturned  oak tree  tree guard
2003 Serious storm damage                              2004 Oak trees are slow growing                   Sycamore has filled tree tube

2004 trees
2004 Sycamores are fastest growing of 42 species
Tree tubes will be removed over winter.

Eastampton Sustainable Development / Affordable Housing

New Jersey Department of Community Affairs Pilot Program

LDA and Larry Weaner Associates worked with N.J. architects Kitchen Associates in a pilot program to demonstrate the use of energy
saving and sustainable techniques in the construction of affordable housing. This 100 unit low-rise rental development built by
Pennrose Properties of Philadelphia is nearly completed. The housing units are designed to be at least 30% more energy
efficient than a typical house in the state. The landscape has been designed using low maintenance native plants exclusively.


1. Walkway leads to gazebo, 2. Trees are planted in linear hedgerows to shade southern facades, 3. Native foundation planting



1. State officials tour project, 2. Rain barrels collect water for gardens, 3. Community center with electric and water solar panels

Remaining work to be done includes the seeding of meadow areas which will reduce the amount of mowing required, and the
construction of rain gardens to promote stormwater infiltation and aquifer recharge.

Plan shows rain garden locations in blue.

"Eastampton is an inspiration to many developers and design professionals. Congratulations on a fantastic advance in affordable housing development."

Darren Port, Administrator
New Jersey Green Homes Office
State of New Jersey

 

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401 Vassar Avenue Swarthmore PA 19081 2020 - telephone 610 544 9803 - telefax 610 544 9804 - plarsende@yahoo.com

For Additional Information About Native Plants:

Become a member of the Pennsylvania Native Plant Society or at least visit their web site.

A brochure describing landscaping with native plants and a brochure about invasive plants is available from the Pennsylvania Department of Conservation & Natural Resources. Contact Chris Klinedinst Firestone.

The Morris Arboretum of the University of Pennsylvania PA Flora Project Website lists every plant native to the state of Pennsylvania in a searchable database by name and type.

Bowman's Hill Wildlife Preserve is a native plant preserve and offers lectures, field trips and plant sales. They offer outstanding lectures on ecology and restoration. 215-862-2924