Common diseases that infect maple trees include maple wilt, anthracnose, tar spot, sapstreak and phyllosticta. Maples, like all hardwood trees, are also prone to armillaria root rot. These diseases range in severity from... More » Science Environmental Science

The amur maple is a small, deciduous tree native to China and Japan. Its green leaves turn a bright red in the fall, making it a popular feature in many landscapes. More » Home & Garden Gardening & Landscapes Trees & Bushes

Tap maple trees for sap in middle to late winter, or from mid-January to March, when night temperatures are freezing, around 20 to 30 degrees Fahrenheit, and days are sunny and around 40 to 50 degrees Fahrenheit. If farm... More » Home & Garden Gardening & Landscapes Trees & Bushes
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Japanese maple trees are susceptible to diseases such as anthracnose, verticillium wilt, tar spot, leaf spot, leaf scorch and root rot. Some of these diseases are potentially deadly, while others are usually harmless and... More » Science Biology Botany

Common diseases affecting red maple trees are Verticillium wilt, anthracnose and tar spot. Insects also destroy maple trees. Red maples are very susceptible to disease. More » Home & Garden Gardening & Landscapes Trees & Bushes

To identify diseases in maple trees, examine the bark for cankers and lesions, check for signs of girdling roots and analyze the tree to see if verticillium wilt is present. The difficulty of the identification process d... More » Science Biology Botany

The Norwegian maple tree, also known as the Norway maple, has one characteristic that distinguishes it from other types of maple trees: When one of its leaf stems is broken, the stem exudes a white, milky sap. The Norweg... More » Home & Garden Gardening & Landscapes Trees & Bushes