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Carolina ash

How to identify Carolina ash (Fraxinus caroliniana)

Carolina ash

Carolina ash is a modest, deciduous tree or shrub that typically reaches heights of up to 25 feet (7.6 meters) and exhibits a trunk diameter spanning 6 to 8 inches (15 to 20 centimeters). Its habit includes an enlarged base and a tendency to lean, complementing a rounded to narrowly shaped crown. Leaves of carolina ash are pallid beneath and possess a green upper surface. The species thrives in moist to wet, acidic soils and prefers the shady understory of its habitat. While adaptable to waterlogged conditions, carolina ash cannot withstand salted environments.

Lifespan

Lifespan: Perennial

Plant Type

Plant Type: Tree

Quickly Identify Carolina ash

1

Distinctive flattened broad-wing samaras, 1 1/2 to 2 inches long (3.8 to 5 cm).

2

Pinnately compound leaves with 5-9 serrated leaflets, 7-12 inches long (18-30 cm).

3

Smooth to occasionally fuzzy stems, 0.25-0.5 inches in diameter (0.6-1.3 cm), with oval leaf scars.

4

Steel gray to orange-brown bark with irregular, scaly ridges and coarse, flaky texture.

5

Green to purplish dioecious flowers in dense male clusters & airy female panicles.

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Detailed Traits of Carolina ash

Leaf Features

The leaves of carolina ash are pinnately compound, featuring 5 to 9 leaflets and stretching 7 to 12 inches (18 to 30 cm) in length. Each leaflet measures 2 to 4 inches (5 to 10 cm) long and approximately 2 inches (5 cm) wide. The margins are typically serrated, though sometimes they can be entire. The upper surface is dark green, while the underside is paler and smooth. The overall texture is thick and smooth, aiding in easy identification.

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Flower Features

The flowers of carolina ash are green to purplish and dioecious, appearing in dense clusters or panicles in spring before leaf emergence. Male flowers form dense masses, while female flowers are arranged in more open clusters. They bloom in May. Known for their distinctive arrangement, the flowers have no notable scent and typically lack showy petals, resembling those of other ash species. The compact male clusters and airy female panicles make them identifiable.

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Stem Features

The stems of carolina ash are smooth to occasionally fuzzy, with a gray-brown coloration. They feature distinct oval leaf scars. Stems are typically slender, about 0.25-0.5 inches (0.6-1.3 cm) in diameter, and display a refined branching pattern. These stems are an essential identification feature due to their unique texture and coloring, combined with the characteristic leaf scars.

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Fruit Features

The fruit of carolina ash presents as distinctive flattened broad-wing samaras, each measuring about 1 1/2 to 2 inches long (3.8 to 5 cm) and 1/2 to 3/4 inches wide (1.3 to 1.9 cm). Noteworthy are the violet-hued wings that gracefully hang below the seed body, a characteristic feature that may display two to three wings per fruit. This fruit typically reaches maturity between July and October, offering a unique visual appeal with its winged silhouette.

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Carolina ash and Their Similar Plants

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Green ash vs. Carolina ash: What's The Difference?
If you are looking for an excellent shade tree, consider planting a green ash. This tree is capable of completely blocking sunlight with its dense canopy of compound leaves, which make a brilliant yellow display in the fall. Aggressive growth of over 61 cm per year makes this a tree that can quickly be providing shade in your backyard.
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White ash vs. Carolina ash: What's The Difference?
White ash is a species of ash tree native to North America. Its leaves turn distinctly bright yellow or red in the autumn. *Fraxinus americana* is a fast-growing pioneer species that often inhabits riparian zones, and fragmented and disturbed habitats. It is similar in appearance to green ash (Fraxinus americana) and sometimes it is hard to tell between the two.
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Black ash vs. Carolina ash: What's The Difference?
Black ash (Fraxinus nigra) is a deciduous tree that grows to 12 to 15 m tall. It has an attractive dark gray or brown bark and its limbs ascend upward to form a small canopy. It prefers full sun to partial shade and thrives in cold climates. It is adaptable to wet sites but is susceptible to emerald ash borer.
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Oregon ash vs. Carolina ash: What's The Difference?
Fraxinus latifolia is a native of the Pacific Northwest area of the United States. Part of its Latin name, 'latifolia' means wide leaves. This tree has wider leaves than other species of ash. Oregon ash can grow to heights of 18 m to 24 m in height, with a trunk diameter of 41 to 76 cm.
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Blue ash vs. Carolina ash: What's The Difference?
Blue ash (Fraxinus quadrangulata) is a flowering plant species that is indigenous to the midwestern United States. Blue ash grows in moist valley soils and serves as an important food source for frogs.
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Pumpkin ash vs. Carolina ash: What's The Difference?
Pumpkin ash, or Fraxinus profunda, is a species of ash tree that grows mainly in swamps in the eastern United States. This medium-sized deciduous tree is critically endangered because the feeding habits of the emerald ash borer has caused a decline in pumpkin ash population.
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Raywood ash vs. Carolina ash: What's The Difference?
It is a medium-sized deciduous tree growing to 20 to 30 m tall with a trunk up to 1.5 m diameter. The bark is smooth and pale grey on young trees, becoming square-cracked and knobbly on old trees. The buds are pale brown, which readily distinguishes it from the related Fraxinus excelsior (black buds) even in winter.
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Key Facts About Carolina ash

Attributes of Carolina ash
Lifespan
Perennial
Plant Type
Tree
Spread
8 m to 12 m
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Scientific Classification of Carolina ash

Family
Olive
Icon allow
Genus
Ashes
Icon allow
Species
Carolina ash (Fraxinus caroliniana)
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Distribution Map of Carolina ash

Carolina ash is a plant native to low-lying wetlands of subtropical North America. Over time, its cultivation has remained predominantly within its native range, ensuring the species' presence has not expanded significantly to other major regions or continents.
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
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