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Explore Nature at Willistown Conservation Trust’s Preserves

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Did you know that the Willistown Conservation Trust has three preserves that are open to the public year round? This year we’ll be opening a fourth! If you would like to know more about these gems of Willistown, join us on our new monthly walk series where we will take in depth look at the beauty, history, and future of these community resources! In February, we’ll be on the hunt of the first signs of spring, then as the year warms up, we’ll learn about the ecosystems that support pollinators throughout the summer, and wind up the year looking at how the topography of the landscape impacts the plant communities, habitat, and microclimate at our preserves.

A path through the grasses at Kirkwood Preserve

Our preserve walks are free of charge, however space is limited 25 to ensure the best experience for participants. We ask that you register in advance on the event calendar on our website.

In case you missed it, our first walk took place at Rushton Woods Preserve where our discussion revolved around:

  • Distinguishing invasive vines from native ones and tips for removing unwanted vines.
  • The benefits of dead downed trees or “nurse logs” and their role in forest ecology.
  • Why beech trees hold their leaves in winter and other winter tree id techniques.
  • The danger of barberry (it’s a tick vector) and the importance of its removal.

The glorious weather that day was topped off with two foxes and a pileated woodpecker!

Our 2020 schedule is below and we have signups open for the first 4 on the list. Visit our calendar of events to register.

February 20th – Ashbridge Preserve: The Hunt for Skunk Cabbage
April 9th – Kirkwood Preserve: Meadow Management
May 14th – Rushton Woods Preserve: Welcoming Spring
June 25th – Ashbridge Preserve: Pollinators!
September 17th – Kirkwood Preserve: Meadows in Bloom
October 15th – Ashbridge Preserve: One for the Road
November 12th – New WCT Preserve: Lay of the Land
December 10th – Kirkwood Preserve: Winter of the World

Behold the Hackberry!

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The Society of Municipal Arborists recently announced its 2020 Tree of the Year. It’s the Hackberry (Celtis occidentalis). This tree is related to the American Elm and upon the introduction of Dutch Elm Disease, the Hackberry became a very popular substitute.

According to the US Department of Agriculture’s website, the common hackberry varies in size from a shrub to a tree exceeding 100’ in height. So why are we telling you about this? It just so happens that we have a remarkable specimen hackberry at Kirkwood Preserve, right at the corner of Goshen and Grubbs Mill Roads.

Measuring a leader on the Hackberry – this one is 8’9″

It is definitely larger than most hackberries at an estimated 70’ tall. Its girth is equally remarkable, with its trunk measuring roughly 15’ in circumference at the base and with three leaders measuring 6’5”, 8’9” and 6’7”. As for the age, it’s hard to estimate without looking at the rings. Hackberries are a faster-growing tree. This specimen is also out in the open (as opposed to being in a forest), which can further increase its rate of growth.

Hackberries are wonderful shade trees. They are also adaptable to a wide range of soil types and tolerate heat, drought, salt spray, wind, ice and even short-term flooding. All of those characteristics make it a great urban tree. But it’s equally well-suited to living on preserved land! As a bonus, the hackberry provides food for birds and small mammals.

Looking up – you can see the beautiful fissured bark

So, next time you’re out, stop by Kirkwood Preserve and take a look at our specimen hackberry. It’s particularly beautiful in summertime when its deep green foliage is on display. But winter offers you a chance to see its complex structure and deeply textured bark.

With the Spotted Lanternfly it’s Always Squash Season

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At our most recent free lunch & learn at the Rushton Conservation Center, Meagan Hopkins-Doerr provided a wealth of useful information about the invasive and destructive Spotted Lanternfly (SLF). Meagan is Coordinator for the Master Gardeners of Chester County and Master Watershed Stewards of Chester & Delaware Counties, and she travels the area providing informative sessions like this one on a variety of topics.

Background

SLF is an invasive species that was discovered in Berks County back in 2014. With few natural predators, it has spread and threatens the Pennsylvania economy. It is critical to manage this pest now. SLF was also introduced in South Korea, which is similar in size to Pennsylvania.

So, here are some of the highlights of actions you can take now:

Destroy the Eggs

The SLF adults have now died from the cold, but have left behind their egg masses. Here’s a photo of what they look like.

Photo: Penn State University Extension – Image by Erica Smyers

Females will lay eggs on virtually any outdoor surface. In addition to trees you may find them on:

  • Fence posts
  • Grills
  • Sheds
  • Lawn furniture
  • Outdoor seating cushions
  • Exterior walls (siding, brick, stone)
  • Flower boxes
  • Bird feeders

Careful inspection of your property for the egg masses is an important step in controlling the spread of the SLF. Each egg mass can contain, on average, 37 eggs. Therefore it’s important to destroy any you see. When you see one, here’s what you do:

  • Scrape the egg mass into a jar or similar container
  • Soak the eggs in isopropyl (rubbing) alcohol
  • Dispose of the container

You can also smash the egg masses, or burn them if you have a fire pit.

Limit the Spread

Willistown Conservation Trust’s program area is within the quarantine zone. At all stages of growth, SLF are very efficient hitchhikers. There are some things you can do to limit the spread of the SLF:

  • Check your car (wheel wells, grille) and any trailers and remove all SLF before departing. This is important ESPECIALLY before driving out of the quarantine zone.
  • Don’t park under infested trees
  • Do not transport firewood
  • Inspect any material stored outdoors before transporting it elsewhere

Remove Tree of Heaven

If you use landscapers or arborists, ask if they have received an SLF permit from the PA Department of Agriculture. For more information about the permit visit: https://extension.psu.edu/does-your-business-need-a-spotted-lanternfly-permit

Though the SLF will feed on other plants, the Tree of Heaven is one of its preferred hosts. If you have Tree of Heaven, it is important to remove them. You MUST use an appropriate herbicide to treat the tree before cutting it down or it will multiply.

Get Ready for Hatching

Banding. When the SLF eggs hatch in the spring, the nymphs will begin to forage. By banding trees they prefer, you can help to capture them. Bands should be checked regularly and replaced as needed. Excluder cages should be used to  keep other animals away from the bands. Read more about use of traps here: https://extension.psu.edu/using-traps-for-spotted-lanternfly-management

Insecticides. If you have an infestation, it may be necessary to use insecticides. There are a variety of systemic and contact insecticides with varying degrees of efficacy against the SLF. Always read and follow the label before applying any insecticide. Additional information can be found here: https://extension.psu.edu/spotted-lanternfly-management-and-pesticide-safety

See the Penn State Extension website for instructions on how to band trees and for selection and use of insecticides.

Report. Report. Report.

Researchers need data. By reporting sightings of SLF you will help researchers understand how the SLF are moving. To report SLF you can go online to extension.psu.edu/spotted-lanternfly or call 1-888-4BADFLY.

Learn More

You can download a variety of helpful information at the PSU Extension website. The Trust also has some print materials left over from the lunch & learn. You’re welcome to stop by our office and pick up some while supplies last. We also have a small supply of scraper cards, which also have helpful information on them including the number to call to report SLF.

Watch for more informative lunch & learns coming up.

12.7 More Acres Conserved Forever

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The map of permanently conserved land in the Willistown area just got a little greener, thanks to Lawrie Harris. Lawrie donated a Legacy Conservation Easement to the Trust on November 11, 2019, protecting her 12.7 acres on Twinbrook Road from development forever. Located on Twinbrook Road in Easttown Township, in what is known as the Leopard Tract, the gently sloping site is primarily wooded and features a small tributary to Crum Creek named Grubb Mill Run. Several acres of open meadow area surrounds Lawrie’s home and garage, the only structures on the property.

The easement will limit further subdivision of the property and will protect its natural features that serve as important wildlife habitat, support the surrounding ecosystem and contribute to scenic views along Twinbrook Road. The easement defines most of the property as Sensitive Riparian Area, which include wetlands, hydric soils and floodplain, and limits the amount of disturbance allowed in these areas.

Lawrie shares her late husband Jay’s passion for the environment, and wants to conserve the land to ensure it will stay just as it is today, so both people and wildlife can enjoy it forever. Her decision to donate the easement was prompted, in part, by neighbors Kate and Ben Etherington’s recent decision to do the same. We are grateful to Lawrie for her foresight and generosity.

“I want to be absolutely certain that future owners will keep this property intact and take care of the stream and woodland. We don’t have many places like this left and we need to preserve them,” said Lawrie. “And the process of working with the Trust has been easy and enjoyable. Willistown Conservation Trust has a 40-year legacy of protecting land in our area.”

When you look at a the Trust’s protected lands map, you see a mosaic of open space comprising preserved parcels of all sizes – from hundreds of acres to just a few. And in an era when conserving habitat, protecting the quality of our water supply, and offsetting the impact of human activity is so vital, every acre counts.

We developed Legacy Easements, like the one that protects Lawrie’s land, specifically so owners of smaller parcels of land could protect their land in perpetuity. Legacy Easements are generally less complicated than traditional ones and can be tailored to protect features of an owner’s property that are personally and/or environmentally significant.

Thank you Lawrie, another hero of our countryside!

Variety is the Essence of Life

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The old saying goes that variety is the spice of life. In nature, variety is the very essence of life.

Hopefully you’ve read and enjoyed our recent blog posts about the importance of riparian buffers and tips for planting trees and shrubs, if you haven’t yet please take a look. You’ll find helpful guidance, which will be handy for World Planting Day coming up on October 22!

An important aspect of healthy riparian buffer is planting a variety of species, which will help support a variety of insects, animals, bacteria, fungi and other living things. A variety also looks nice, providing different colors and textures in your landscape.

To help you, we’ve assembled a collection of our favorite native trees and shrubs that grow well in riparian buffers.

You can also download a PDF here for future reference.

For detailed information about each of these, you can consult wildflower.org. You can also talk with a reputable native plant nursery or landscape designer about what variety of plants to select for your particular area.

OUR NATURE PRESERVES

Our nature preserves are open to the public 365 days per year from sunrise to sunset, providing natural places that offer peace and respite for all. Willistown Conservation Trust owns and manages Hartman Meadow, Ashbridge, Kirkwood, Kestrel Hill and Rushton Woods Preserves. We maintain these lands to preserve and enhance … Learn more about our nature preserves.