If you have an ash tree in your yard, it might be one of the varieties native to this country. Or it might just be one of the trees similar to ash, different species of trees that happen to have the term “ash” in their common names. If you think the tree in your backyard is an ash, you may be wondering, “Which ash tree do I have?”.
Read on for information on different types and tips on ash
tree identification.
Types of Ash Trees
True ash trees are in the Fraxinus genus together
with olive
trees. There are 18 types of ash trees in this country, and ash is a common
component of many forests. They can grow into tall shade trees. Many offer nice
autumn displays as the leaves turn yellow or purple. Native ash tree varieties
include:
- Green ash (Fraxinus pennsylvanica)
- White ash (Fraxinus americana)
- Black ash (Fraxinus nigra)
- California ash (Fraxinus dipetala)
- Blue ash (Fraxinus quadrangulata)
These types of ash trees tolerate urban pollution and their
cultivars are often seen as street trees. A few other trees (like mountain
ash and prickly ash) look similar to ash. They are not true ash trees,
however, and fall in a different genus.
Which Ash Tree Do I Have?
With 60 different varieties on the planet, it’s very common
for a homeowner not to know the ash variety growing in their backyard. While
you may not be able to figure out the type of ash you have, ash tree
identification is not difficult.
Is it an ash tree? Identification starts with making sure that the tree in question is a true ash. Here’s what to look for: Ash trees have buds and branches directly across from each other, compound leaves with 5 to 11 leaflets, and diamond-shaped ridges on the bark of mature trees.
Determining the variety you have is a process of
elimination. Important elements include where you live, the height and span of
the tree, and the type of soil.
Common Ash Tree Varieties
One of the most common ash tree varieties in this country is
the white ash, a large shade tree. It grows in USDA zones 4 through 9, rises to
80 feet (24 meters) with a spread of 70 feet (21 meters).
Blue ash is equally tall and can be identified by its
squared stems. California ash only grows to 20 feet (6 meters) tall and thrives
in warmer zones like USDA zones 7 through 9. Carolina ash also prefers those
hardiness zones but likes swampy areas. It gets 40 feet (12 meters) tall.
Both black and green ash varieties grow to 60 feet (18
meters) tall. Black ash grows only in colder areas like USDA hardiness zones 2
through 6, while green ash has a much wider range, USDA zones 3 through 9.
If you have an ash tree in your yard, it might be one of the varieties native to this country. Or it might just be one of the trees similar to ash, different species of trees that happen to have the term “ash” in their common names. If you think the tree in your backyard is an ash, you may be wondering, “Which ash tree do I have?”.
Read on for information on different types and tips on ash
tree identification.
Types of Ash Trees
True ash trees are in the Fraxinus genus together
with olive
trees. There are 18 types of ash trees in this country, and ash is a common
component of many forests. They can grow into tall shade trees. Many offer nice
autumn displays as the leaves turn yellow or purple. Native ash tree varieties
include:
- Green ash (Fraxinus pennsylvanica)
- White ash (Fraxinus americana)
- Black ash (Fraxinus nigra)
- California ash (Fraxinus dipetala)
- Blue ash (Fraxinus quadrangulata)
These types of ash trees tolerate urban pollution and their
cultivars are often seen as street trees. A few other trees (like mountain
ash and prickly ash) look similar to ash. They are not true ash trees,
however, and fall in a different genus.
Which Ash Tree Do I Have?
With 60 different varieties on the planet, it’s very common
for a homeowner not to know the ash variety growing in their backyard. While
you may not be able to figure out the type of ash you have, ash tree
identification is not difficult.
Is it an ash tree? Identification starts with making sure that the tree in question is a true ash. Here’s what to look for: Ash trees have buds and branches directly across from each other, compound leaves with 5 to 11 leaflets, and diamond-shaped ridges on the bark of mature trees.
Determining the variety you have is a process of
elimination. Important elements include where you live, the height and span of
the tree, and the type of soil.
Common Ash Tree Varieties
One of the most common ash tree varieties in this country is
the white ash, a large shade tree. It grows in USDA zones 4 through 9, rises to
80 feet (24 meters) with a spread of 70 feet (21 meters).
Blue ash is equally tall and can be identified by its
squared stems. California ash only grows to 20 feet (6 meters) tall and thrives
in warmer zones like USDA zones 7 through 9. Carolina ash also prefers those
hardiness zones but likes swampy areas. It gets 40 feet (12 meters) tall.
Both black and green ash varieties grow to 60 feet (18
meters) tall. Black ash grows only in colder areas like USDA hardiness zones 2
through 6, while green ash has a much wider range, USDA zones 3 through 9.