Invasive Plants & Insects

Native to Japan, Korea, and eastern China, multiflora rose (Rosa multiflora) was introduced into the United States in 1866 as rootstock for ornamental... Learn More

Japanese Barberry (Berberis thunbergii) is deciduous, multi branched shrub that is native to Japan, and is often used as an ornamental shrub in the la... Learn More

Conventional wisdom tells us that earthworms are good for the soil. They improve soil drainage and aeration, increase nutrient availability, and enhan... Learn More

Burning bush (Euonymus alatus) is a deciduous shrub native to Asia that has become well established in New Hampshire as well as throughout parts of th... Learn More

Insects that look like stink bugs are showing up inside my house. What are they and what should I do to get rid of them? Learn More

Tree of Heaven (Ailanthus altissima) is an aggressive invasive tree species native to China, that has found its way into disturbed habitats and urban ... Learn More