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Hemlock trees

Our Mission

The mission of Carolina Hemlock Arborists LLC is to preserve and protect our native hemlock populations as well as cultivated varieties from the threat of the Hemlock Woolly Adelgid.

At Carolina Hemlock Arborists, we offer comprehensive tree care and maintenance as well as pre-construction consultations to individuals interested in preserving the natural environment of Western North Carolina.

Please contact either Eric Wardwell: 828-713-191 or Bob Wardwell: 828-713-2622 for more information.


Hemlock Woolly Adelgid

The Hemlock Woolly Adelgid (HWA) is a non-native invasive aphid-like insect introduced to the eastern United States in the early 1950’s. Presently, the HWA infests over 50% of the native range of the eastern hemlock. HWA feeds on photosynthate produced by the tree resulting in the dessication of the needles, which in turn prevents new bud growth. Without some form of intervention, either biological or chemical control, a mature hemlock can succumb to HWA infestation in as little as 4 years but may survive for up to 10.

The Eastern Hemlock is not only marvelous and majestic but also holds immeasurable ecological value throughout the eastern United States. Due to their habitat preferences and extreme shade tolerance, hemlocks provide unparalleled shading of mountain streams, critical wildlife cover, and important habitat for bird nesting.

Landowners can help fight the threat of HWA and Hemlock decline through the use of chemical controls. In large tracts of public land a beetle that has evolved with the HWA is showing some promise in reducing the pest population and hopefully will take over the role of chemical treatment in the future. Until this time comes private landowners can save their hemlock trees using established chemical controls and establishing a management/treatment plan for hemlocks in forest or landscape settings.

Carolina Hemlock Arborists LLC offers several treatment options for HWA that can be designed for your specific needs.

We would be glad to evaluate your trees and discuss with you the various options for treatment and control including:

 •   Imidacloprid soil injection
 •   Imidacloprid stem injection
 •   Imidacloprid insecticidal soap
•    Dinotefuran soil injections

Family Owned and Operated

Fully Licensed and Insured


With over 40 years experience, father Bob Wardwell and sons Bob and Ben Wardwell, bring both expertise and passion to protecting and preserving the great Easthern Hemlocks of the Western North Carolina mountains.

In addition, Carolina Hemlock Arborists offers:
  • Comprehensive Tree Care
  • Pre-Construction Consultations
  • Hemlock Woolly Adelgid (HWA) management

Please contact Carolina Hemlock Arborists today to evaluate your specific needs.

Eric Wardwell:
828-713-1910

Bob Wardwell:
828-713-2622