Tree of heaven (Ailanthus altissima) is one of the most aggressive trees on planet Earth (USDA hardiness zones 4 to 8). This large tree, indigenous to China, was introduced in North America in 1748 and brought to New York City in 1820 as a street tree and a food source for silkworm caterpillars. The tree […]
Archive for the ‘Invasive species’ Category
Tree Of Heaven Grows Almost Everywhere (Unfortunately)
Posted by Hugh on January 30th, 2015
Posted in acidic soil, Aggressive grower, alkaline soil, Deer resistant, Disease resistant, Drought tolerant, Heat Tolerance, Invasive species, Large Shade trees, Southern Appalachian Region, Summer flowering, Tree of Heaven (Ailanthus), Trees & Shrubs, winter hardiness 
Comments Off on Tree Of Heaven Grows Almost Everywhere (Unfortunately)Sycamore Maple Performs In Cooler Regions
Posted by Hugh on January 21st, 2015
Sycamore maple, aka planetree maple (Acer pseudoplatanus) is indigenous to northern and central Europe where it is a popular landscape tree. Very commonly planted in the northeastern U.S. in the early 20th century, this large 50-60 foot tree is rarely found today (USDA zones 4 and 7). A mature specimen in Jonesborough, Tennessee (zone 6) is over […]
Posted in acidic soil, alkaline soil, Disease resistant, Drought tolerant, Invasive species, Large Shade trees, Maples (Acer), Propagation (Seed), Purchasing Plants, Soil drainage, Southern Appalachian Region, Spring flowering, Trees & Shrubs, Winter bark, winter hardiness Comments Off on Sycamore Maple Performs In Cooler RegionsBeware Of Short-Lived And Overly Aggressive Plants
Posted by Hugh on December 27th, 2014
Gardening does involve some work, sometimes a lot more if you select the wrong plants. A good purchase may even reduce annual maintenance. Some of them are beautifully tempting at the garden center. Non-hardy woody trees and shrubs often sold by box store garden centers. For example, it […]
Posted in Aggressive grower, Disease prone, Environmental issues, Garden Problems, Insect (Pest) Problems, Invasive plant, Invasive species, Landscape ideas, Pests, Purchasing Plants, Southern Appalachian Region Comments Off on Beware Of Short-Lived And Overly Aggressive PlantsPlanting Of Norway Maple Declining In U.S.
Posted by Hugh on October 4th, 2014
Norway maple (Acer platanoides) is a hardwood tree native throughout the of Europe and widely planted in the U.S. (USDA hardiness zones 4-7a). At maturity a tree reaches 40 to 50 feet in height (to 75 to 80 feet is not unusual) and 35 to 50 feet in width. Its dense leafy canopy values it […]
Posted in acidic soil, Disease resistant, Drought tolerant, Invasive species, Large Shade trees, Maples (Acer), Southern Appalachian Region, Spring flowering, Trees & Shrubs, winter hardiness Comments Off on Planting Of Norway Maple Declining In U.S.
