Swamp White Oak is a tree, a long-term addition to the landscape. It's hardy across USDA zones 3 through 8. It roots deep, which helps it reach moisture in a dry spell and open up tight soil as it establishes.
Zones
3-8
pH Range
6-8
Sun
Part Sun
Days to Maturity
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Score Swamp White Oak on your exact land.
Zone averages can't see the slope, soil, frost, and sun that decide whether swamp white oak actually takes — and those shift from one yard to the next. Enter your address and we'll score swamp white oak against your land's real conditions.
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What Swamp White Oak is
Swamp White Oak grows as a perennial and reaches around 60 feet at maturity. It blooms yellow in early spring.
How to grow Swamp White Oak
Swamp White Oak grows in USDA zones 3 through 8. Swamp White Oak does best in part sun — at least 4 hours of direct sun a day — and soil from pH 6 to 8, on well-drained ground. It needs a growing season of at least 120 frost-free days and about 500 hours of winter chill, which is why climate matters as much as soil.
USDA Zones
3-8
USDA PHZM 2023
Soil pH
6 - 8
USDA PLANTS Database
Sun
Part Sun
plant_species_v5.csv
Drainage
well (dry spells)
plant_species_v5.csv
Frost Tolerance
50°F
plant_species_v5.csv
Mature Height
60 ft
plant_species_v5.csv
Chill Hours
500+
plant_species_v5.csv
Frost-Free Days
120+
plant_species_v5.csv
Plant it right
Set swamp white oak in part sun with well-drained soil. Many fruit trees need a second variety nearby to pollinate — check before you plant just one.
Match the soil
Swamp White Oak prefers pH 6 to 8 (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 — swamp white oak isn't known to be toxic to dogs or cats. (Source: ASPCA.)
Swamp White Oak isn't classified as a notable pollinator plant in our data — pair it with high-value bloomers nearby to feed bees.
Where Swamp White Oak thrives
Swamp White Oak is hardy across USDA zones 3 through 8. 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 3–8·Where Swamp White Oak growsOpen map →
On USDA hardiness-zone overlap, Swamp White Oak can grow in these states:
See if Swamp White Oak will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether swamp white oak 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 Swamp White Oak in my zone?
Swamp White Oak grows in USDA hardiness zones 3 through 8 (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 Swamp White Oak?
Set swamp white oak 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 Swamp White Oak need?
Swamp White Oak does well in partial sun — around 4 hours of direct sun, and it takes some afternoon shade in stride. That flexibility makes it a good match for a bed the house or a nearby tree shades for part of the day. A Growable Ground report maps how the sun actually falls on your land, hour by hour, so you can set it where the light lines up.
What soil does Swamp White Oak need?
Swamp White Oak prefers soil pH 6 to 8, on well-drained ground (USDA PLANTS Database). Your report scores your parcel's actual soil against that using USDA SSURGO data.
Does Swamp White Oak attract pollinators?
Swamp White Oak isn't classified as a notable pollinator plant in our data. Pairing it with high-value bloomers nearby keeps bees and butterflies fed.
Is Swamp White Oak safe for pets?
Swamp White Oak is not known to be toxic to dogs or cats based on available data (ASPCA). Always supervise pets around new plantings.