Archive for the ‘Poplar (Populus spp.)’ Category

Burls on Tree Trunks

An unusual swelling on trunks of trees and occasionally on large branches are “burls”. They’re round, swollen-looking growths on tree trunks and large scaffold branches. Should or shouldn’t you be concerned? Burls are not uncommon and can be found on cherry, maple, oak, buckeye, ash, willow, locust and walnut in Eastern forests. Root burls may […]

Prepare For Storm Damage

A snow/ ice storm is both a beautiful and horrific scene in a landscape. Costly tree/shrub breakage, downed power lines, and subsequent utility shutoffs may be staggering results. Don’t feel powerless! Prepare and take action.  During the storm, do nothing / “hands off”. Working near an active electrical line is deadly. After the storm you should immediately […]

13 Native Trees For Fall Color

1. Sweet gum (Liquidambar styraciflua) – large 60-80 feet tall tree whose fall color is a brilliant mixture of yellows, oranges, purples and reds. Zones (5b)6-9). 2. Black gum, tupelo (Nyssa sylvatica) – large 50-50 feet tall tree produces spectacular scarlet fall color. Lots of good cultivars including Green Gable®, ‘Wildfire’ and Red Rage® (Zones […]

Marcescence (Retaining Leaves Fall And Winter)

Through the fall and winter seasons, certain landscape and woodland trees retain their dead brown leaves on branches. Beech (Fagus spp.) and oak (Quercus spp.) are two common examples. Winter winds and precipitation will eventually force leaves to drop. Plant scientists term the retention of leaves as “marcescence”. There are many theories as to why […]

Beware Of Fast Growing Trees

Many property owners choose fast growing landscape trees. These large shade trees increase the value of your property. Their summer shade and wintry wind protection may reduce utility bills by 20 – 25% . Trees attract wild birds for nesting, protection, and as a food source. Some brighten up your landscape with dazzling fall color. However, we may pay a […]

Select A Good Street Or Landscape Tree

First of all, there is no perfect tree, either for a street or landscape planting. However, many excellent cultivars are now available at local nurseries and retail garden centers. Select one that matches your site requirements. Site factors include: amount of sunlight daily, soil type, soil pH (acidity or alkalinity), and soil drainage. What kind of […]

How Drought Affects Our Landscape Trees*

Long term drought can be devastating on landscape and woodland trees. An environmentally stressed tree must expend additional energy to survive. Extremes of drought leads to decreases in trunk diameter and height growth, declining resistance to pests and diseases, less food production via photosynthesis, and in flower and fruit production. Symptoms of drought stress include wilted […]

List Of Dioecious Trees And Shrubs

              Some tree species are dioecious, that is produce single sex flowers (either male and female). Male flowers produce pollen and no fruits. Female flowers bear seeds or fruits.  You may purchase male clones to avoid picking up messy seed pods or capsules in the fall. If you are allergic to certain tree pollens, avoid […]

Tree Diversity Important In Urban Parks And Streets

              In recent years urban tree diversity has become a buzz topic. The threat of losing entire street plantings to a deadly exotic disease or pest has to often become the reality. Nearly a century ago, urban tree-lined thoroughfares were laid bare by losses of American elms (Ulmus americana) and […]

Six Notoriously Weak Wooded Trees

                  Almost any time is a good time to plant trees – weather permitting. Sort through many great choices and avoid planting weak wooded species. These six tree species are generally short-lived, messy, and insect and/or disease susceptible. A few may also be designated invasive in your state. […]