It is easily identified by its gummy twigs and leaves. Learn more about the black alder tree and how it was introduced to Indiana with now current warning signs of being an invasive species. If you ...

The most common North American tree is considered to be the red alder. It has oval-shaped leaves and reddish-brown bark. It can grow as tall as 100 feet and is found mainly in the western U.S. and ...

3 ways to get rid of alder leaf beetles Although unsightly, the damage caused by alder leaf beetle doesn't pose any long-term risks to trees. 'The tree usually recovers. The pest generally has ...

This research makes us optimistic that young ... water-rich trees fared in comparison with those receiving only natural precipitation. Trees experiencing drought alter their leaves, wood and ...

However, cuts started appearing in the leaves, then spots and it is looking progressively sicker (see reader's photo). Do you have any ideas on how I might save this young tree? A : While I know ...