Also known as American Ash · Cane Ash · Jasen (serbian)
White ash (Fraxinus americana) is a large deciduous tree native to eastern North America, prized for its strong wood and vibrant fall color.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun
75% intensity
Prefers full sun for best growth and form. Can tolerate partial shade but may become leggy.
Moderate
50% intensity
Keep soil consistently moist, especially when young. Water deeply when topsoil is dry. Established trees are more drought-tolerant.
Clay, Loam, Sand, Acidic, Neutral, Alkaline
50% intensity
Cold Hardy
25% intensity
Tolerates a wide range of temperatures, including cold winters. Hardy in USDA zones 3-9.
Low
25% intensity
Mature trees rarely need fertilizer. Young trees can benefit from balanced fertilizer in early spring if growth is slow or leaves are pale.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
None
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
White ash prefers consistent moisture, especially when young. Water deeply when the top 2-5 cm of soil feels dry.
Once established, it is moderately drought-tolerant but benefits from supplemental watering during prolonged dry spells to maintain optimal health and vigor.
Prune white ash primarily to remove dead, damaged, or crossing branches. The best time for structural pruning is during dormancy in late winter or early spring.
Minor shaping can be done after the growing season to maintain form, but avoid heavy pruning.
White ash can be propagated from seed, which requires a period of cold stratification. Cuttings are also possible but can be more challenging.
Successful propagation often involves moist, well-draining soil and patience, as germination or rooting can take time.
Repotting is not applicable to mature white ash trees, as they are large, long-lived shade trees. For young saplings grown in containers, repotting into a larger container or into the ground is recommended when the root system becomes pot-bound, typically every 1-2 years.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of White Ash (Fraxinus americana)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Lamiales |
| Family | Oleaceae |
| Genus | Fraxinus |
| Species | Fraxinus americana |
Similar in genus Fraxinus
Answers based on plant encyclopedia data
