White Ash is a tree, a long-term addition to the landscape. It's hardy across USDA zones 3 through 9. It roots deep, which helps it reach moisture in a dry spell and open up tight soil as it establishes.
Zones
3-9
pH Range
6-8.5
Sun
Full Sun
Days to Maturity
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Score White Ash on your exact land.
Zone averages can't see the slope, soil, frost, and sun that decide whether white ash actually takes — and those shift from one yard to the next. Enter your address and we'll score white ash against your land's real conditions.
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What White Ash is
White Ash grows as a perennial and reaches around 90 feet at maturity. It blooms yellow in mid spring.
How to grow White Ash
White Ash grows in USDA zones 3 through 9. White Ash does best in full sun — at least 6 hours of direct sun a day — and soil from pH 6 to 8.5, on well-drained ground. It needs about 1000 hours of winter chill, which is why climate matters as much as soil.
USDA Zones
3-9
USDA PHZM 2023
Soil pH
6 - 8.5
USDA PLANTS Database
Sun
Full Sun
plant_species_v5.csv
Drainage
well (dry spells)
plant_species_v5.csv
Frost Tolerance
41°F
plant_species_v5.csv
Mature Height
90 ft
plant_species_v5.csv
Chill Hours
1000+
plant_species_v5.csv
Frost-Free Days
0+
plant_species_v5.csv
Plant it right
Set white ash in full sun with well-drained soil. Many fruit trees need a second variety nearby to pollinate — check before you plant just one.
Match the soil
White Ash prefers pH 6 to 8.5 (USDA PLANTS Database). A quick soil test from your local Extension lab tells you whether to add lime or sulfur to land in band.
Water steadily
Keep the root zone evenly moist through establishment. A 2–3 inch mulch layer holds moisture without waterlogging.
Be patient, then harvest
Prune annually while the tree establishes; fruit trees reward patience with years of harvest. Local Extension guides publish per-cultivar bearing-age tables.
Good to know
Good news for pet owners — white ash isn't known to be toxic to dogs or cats. (Source: ASPCA.)
White Ash isn't classified as a notable pollinator plant in our data — pair it with high-value bloomers nearby to feed bees.
Where White Ash thrives
White Ash is hardy across USDA zones 3 through 9. Zone is only the starting point, though: the soil pH, drainage, and frost dates on your specific land decide how well it actually does.
Zones 3–9·Where White Ash growsOpen map →
On USDA hardiness-zone overlap, White Ash can grow in these states:
See if White Ash will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether white ash actually takes — we score it against the real conditions at your address.
Three things about your exact spot that zone averages miss:
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
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Frequently Asked Questions
Can I grow White Ash in my zone?
White Ash grows in USDA hardiness zones 3 through 9 (USDA PHZM 2023). Zone is one factor — soil pH, drainage, and frost dates on your specific parcel also shape whether it takes.
When should you plant White Ash?
Set white ash out in early spring or fall while it's dormant, so the roots establish before the heat of summer. Your local last-frost date — which a Growable Ground report pulls for your exact address — sets the precise window.
How much sun does White Ash need?
White Ash needs full sun — a spot that catches at least 6 hours of direct summer sun a day. In more shade it still grows, but usually gives a smaller, later crop. The catch is that a yard rarely gets even light everywhere — a fence, the house, or one tall tree can quietly take those hours. A Growable Ground report reads the real sun-hours across your land, canopy and buildings included, so you can pick the brightest bed before you plant.
What soil does White Ash need?
White Ash prefers soil pH 6 to 8.5, on well-drained ground (USDA PLANTS Database). Your report scores your parcel's actual soil against that using USDA SSURGO data.
Does White Ash attract pollinators?
White Ash isn't classified as a notable pollinator plant in our data. Pairing it with high-value bloomers nearby keeps bees and butterflies fed.
Is White Ash safe for pets?
White Ash is not known to be toxic to dogs or cats based on available data (ASPCA). Always supervise pets around new plantings.