“The Most Common Texas Oak” The post oak (Quercus stellata) is one of the most common oaks in Texas, and occurs from Texas and Oklahoma east throughout the southeast and mid-Atlantic states. The latin ‘stellata’ means ‘star’ and refers to the star-shaped trichomes, or leaf hairs, on the bottom surface of its leaves. Decay-resistant, the… Read More Texas Post Oak
“An Ideal Ornamental for Hot Climates” Aleppo pine is native to the Mediterranean region, and is often grown there for timber and other wood products. In North America, it is widely planted in parks and landscapes as an ornamental in similar hot climates with seasonal rain such as Arizona and Southern California. In Greece, the… Read More Aleppo Pine
“A Hardy, Slow-Growing Evergreen” Japanese evergreen oak is native to Japan, South Korea, Taiwan, and parts of China. It was introduced in the United States in 1878. This species, Quercus acuta, is often confused in commerce with other evergreen oak species such as Quercus glauca and Quercus myrsinifolia. The wood of the Japanese evergreen oak… Read More Japanese Evergreen Oak
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“A Prized, Historic Tree” White oak is the reigning tree over its growth range. Some of the largest and most famous trees are oaks. The wood has been highly prized since colonial times, and was used in construction of the USS Constitution, a warship named by President George Washington.
Pear trellis rust is caused by the fungus Gymnosporangium sabinae. It was introduced into the United States from Europe in the 1990s and has been progressively spreading through states in both the East and West. The disease affects common pear, callery pear, and several species of juniper/eastern red cedar.
Adult sawflies are often similar in appearance to flies or wasps. The larvae are also similar, though sawflies have one simple eye on each side of the head and five or more pairs of prolegs on their abdomen, whereas butterflies/moths (Lepidoptera) have four pairs of prolegs, and multiple eyes on each side of the head.
Bacterial leaf scorch (BLS) is caused by the bacterium Xylella fastidiosa. This disease impacts certain shade trees resulting in uneven ‘scorching’ of leaf margins in late summer and early fall. The bacteria themselves live in the xylem tissue and gather in clusters called biofilms. These ‘bunches’ of bacteria clog the xylem and block water transport,… Read More Treating Bacterial Leaf Scorch
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Two common causes of root disease in California are species of the fungus Armillaria and species of Phytophthora, which are fungus-like organisms. There are many differences between the two pathogens, but effective management of both involves creating growing conditions that favor plant vigor and that inhibit the pathogen.
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When native desert plants are irrigated regularly, they can produce a tremendous amount of new growth. This can be good from the perspective of shade and screening, but the new growth is often weak and can fail during storms. In addition, any plant that is growing too quickly can obstruct a view or interfere with… Read More Tree Growth Regulators
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Leaf curl and leaf blister are a group of diseases caused by the fungus Taphrina. Taphrina caerulescens is the causal agent of oak leaf blister, and Taphrina deformans is the causal agent of peach leaf curl. These diseases are common in spring as the pathogens infect newly growing leaves, flower parts and fruits. Only undifferentiated… Read More Look Out for Leaf Curl and Leaf Blister
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Arbor Day and Earth Day are holidays filled with meaning for a tree company. Arbor Day is dedicated to planting trees and celebrates all the benefits those trees bring to our lives while Earth Day commemorates the many ways we can protect and preserve our environment. Here at Bartlett Tree Experts, those ideals are part… Read More Arbor Day and Earth Day 2018
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This year, Bartlett brought female employees from across the Company together for three days of networking and skills training — and to strategize about how we can help more women thrive in the highly rewarding careers available in arboriculture. Held at our Research Lab in Charlotte, North Carolina, Women in Arboriculture: Maximizing Talent, was the… Read More Bartlett Women in Arboriculture
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Being a leader in the tree care industry means continually focusing on learning and innovation. Bartlett’s Tree Topics blog follows in that tradition by offering a place to receive advice on trees, tree pests, tree preservation, and more.
