Invasive Plants of Distant Hill

“Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.”  Albert Einstein

Go to our Invasive Plant Resource Page for more info on removal

Japanese Barberry (Berberis thunbergii) is now considered an invasive species in New Hampshire.
This Japanese Barberry still needs to be removed from the gardens at Distant Hill.

Many of the plants in the list below have been found growing in the forests and fields of Distant Hill. A few of the plants were planted by us before they were known to be invasive. We are removing them from the property as quickly as we can. Live and learn!

Scientific Name

Common Name

Acer ginnala  
Berberis thunbergii

Celastrus orbiculatus  
Elaeagnus umbellate

Euonymus alatus


Euonymus fortunei

Iris pseudacorus    
Lonicera japonica  

Lythrum salicaria  

Rhamnus carthartica 


Rhamnus frangula   

Robinia pseudoacacia

Rosa multiflora

Amur Maple 

Japanese Barberry 

Oriental Bittersweet

Autumn Olive

Burning Bush


Winter Creeper

Water-flag or Yellow-flag Iris

Japanese Honeysuckle 

Purple Loosestrife

Common Buckthorn


Glossy Buckthorn

Black Locust 

Multiflora Rose


NRCS Invasive Plant Control Funding

In 2013, we received a grant from the USDA Natural Resource Conservation Service (NRCS) to remove invasive plants from our property. That spring and summer we mechanically removed hundreds of common and glossy buckthorn, autumn olive, oriental bittersweet, Japanese honeysuckle, and multiflora rose with a tractor and winch.


In the fall of 2014, we followed up the mechanical control of the previous year with chemical control, applying Roundup with two different applicators:

  • With a hand-held sprayer 
  • And with a Buckthorn Blaster.

The Buckthorn Blaster™ is an inexpensive hand-held, 4-ounce capacity herbicide applicator for cut-stump herbicide treatment of buckthorn and other undesirable stemmed plants. The replaceable foam applicator tip of the Buckthorn Blaster™ releases herbicide only when pressure is applied to freshly cut stumps. It uses a tiny amount of herbicide compared to spraying, allowing us to spend hours treating stumps without a refill. And it eliminates the "drift" hazard to humans and native plants associated with herbicide sprayers.


NOTE: The New Hampshire Guide to Upland Invasive Species is a great resource to help identify the invasive plants and insects of New England.

Go to our Invasive Plant Resource Page for more info on removal