Green ash trees will reach a height of about 60 feet with a spread of 45 feet. ... "Summit" is female, yellow fall color, straight trunk but pruning required to develop strong structure, ...

The shamel or tropical ash is one of the few (semi)evergreen ashes; this Mexican native is a favorite in Southern California. The tree was also introduced in Hawaii but started escaping in the wild.

Female emerald ash borer. Since being introduced into the United States in the 1990s, this Asian beetle has devoured ash trees across much of the country.

The female ash borers lay eggs in the bark of ash trees. The larvae then burrow deeper, creating curved tunnels that girdle and kill the tree from the top-down.