No machine-readable author provided. MPF assumed (based on copyright claims). · CC BY 2.5
Ash
Tree·Fraxinus excelsior
Full sun
Sun
Medium
Water
Moist soil
Drainage
Zones 4–8
Hardiness
Ash (Fraxinus excelsior) is a tree. It grows best in full sun and has moderate water needs.
Through the year
DormantLeafing outFloweringFruitingDying back
Works well with
from wiki dataNo companions recorded.
WHAT IT NEEDS
Wants full sun
Needs moderate water
Tolerates moist soil, as long as it drains well
Prefers soil pH 6.5–8
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Prefers loam, clay, sand soil
Tolerates some soil compaction
Draws up calcium, potassium, phosphorus from deep in the soil
Adds a lot of organic matter to the soil
Partners with mycorrhizal fungi to boost nutrient uptake
WHAT IT GIVES
Gives shade (dense)
Gives wind shelter (high)
Gives leaf litter (high)
Gives organic matter (high)
Gives habitat (significant)
Gives timber (high)
Gives oxygen (high)
Provides calcium
Provides potassium
Provides phosphorus
Shelters birds
Shelters wildlife
HOW IT GROWS
SIZE & SPACING
Canopy tree
Height2000–3500 cm
Spacing1000 cm (min 500 cm)
Root depthDeep
Width1000–2000 cm
Width figures are rough estimates, the most variable measurement in our data.
AI estimate · accuracy improves as growers contribute corrections.
HOW TO PROPAGATE
Propagate by seed, grafting
Difficulty
Establishes in about 3 yr
Self-seeds readily on its own
Where this comes from
Parsed4 Oct 2026
ConfidenceNot recorded
Photograph No machine-readable author provided. MPF assumed (based on copyright claims). · CC BY 2.5