tree disease

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Holy Leaf!

Shot hole Fungus on Cherry Leaves If you have ventured out into your yard and noticed that your leaves look like someone has shot them with a BB gun, don't worry. The culprit is a fungus known as Wilsonomyces carpophilus, commonly known as Shot Hole Disease or Coryneum Blight. While it may seem that [...]

August 3rd, 2018|

WANTED: Dead or Alive

The Spotted Lanternfly The spotted lanternfly is native to Asia, but has recently been "spotted" in Pennsylvania, Delaware, Virginia as well as New Jersey. Although New York has not shown any signs of infestation, this could be due to their low numbers sneaking past detection. Sadly, we know its just a matter of time. They [...]

July 17th, 2018|

Caterpillars Everywhere!

You may have noticed a massive influx of caterpillars this time of year. The cottony, spindly webs adorning your trees may look like they are cause by the same pest, but their inhabitants are very different. The webworm, bagworm and tent caterpillar all start their lives in similar thready nests. These webs act as protection [...]

July 9th, 2018|

Webworm!

By now, you have probably noticed the spindly, white, webbed nests of the fall webworm emerging. Not to be confused with the eastern tent caterpillar. The nests of the webworm tend to be much larger and messier than that of the tent caterpillar. Also, the webworm weave their nests nearer to the ends of the [...]

June 28th, 2018|

Oak Wilt

Oak wilt is a serious fungal disease that is taking over Long Island. Although it can affect all oak trees, the red oaks are much more susceptible to infection and will succumb much faster than the white oaks. The red oaks are defined by their leaves with pointed tips, where as the white oaks have [...]

June 19th, 2018|

Woolly What?

Woolly Wax!A common problem facing our Pines is the Pine Bark Adelgid. These colorful insects produce a woolly wax, damaging shoots and immature branches. Adelgids secrete a protective fiber, giving the appearance of white, strand-like filaments. A tree presenting with this "woolly wax" has often been described as appearing snow-covered or whitewashed. The adelgid prefer [...]

June 12th, 2018|

Verticillium Wilt

Verticillium wilt is a fungus that affects nearly 85% of the woody ornamentals in the U.S. Hundreds of species are susceptible to this soil-borne fungi. Verticillium can become a serious problem as the fungi will remain in the soil forever, often without the host ever showing symptoms. This fatal disease infects the plants directly through [...]

June 2nd, 2018|

Barking Mad!

The effects of cold, endless winters can wreak havoc on your yard. As the weather becomes nicer and you begin to venture outdoors, it’s a great idea to walk your property and survey the damage. Injured and dying trees are not only painful to look at, they can also be incredibly dangerous. One of the [...]

April 11th, 2018|

Protect your Pears!!

Pear Tree Because of the wet spring this year, we saw a significant increase in leaf scab on pear trees throughout Suffolk and Nassau counties. This caused a certain amount of leaf drop in unprotected trees, but most trees were able to hold onto their leaves and push out new ones. We had [...]

September 27th, 2017|

The Importance of Dormant Oil

Apples Prevention is vital in controlling insect pests and diseases on ornamental trees and shrubs as well as fruit trees. One of the most effective, proven methods is to treat woody ornamentals during the dormant season with horticultural oil to reduce over-wintering pest and disease organisms. Horticultural oil is considered a reduced-risk (or [...]

February 15th, 2013|