Wisteria is a tree, a long-term addition to the landscape. It's hardy across USDA zones 5 through 9. Its spring flowers are a moderate draw for honeybees and native bees. A nitrogen-fixer, it draws nitrogen from the air and feeds it back to the soil — turn it under or leave the roots in place, and the next planting inherits a richer bed.
Wisteria — the short answer
Wisteria: grown in zones 5–9, full sun, pH 4–7.
- USDA zones
- 5–9
- Manual horticultural correction (source not retained); NC State Extension and Missouri Botanical Garden, with the remaining rows from other published sources or Growable Ground compilation
- Soil pH
- 4–7
- USDA PLANTS
- Sun
- Full Sun
- Growable Ground Plant Database
Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS and university Extension sources — each tile names its own row's source, because per-field provenance varies.
Score Wisteria on your exact land.
Zone averages can't see the slope, soil, frost, and sun that decide whether wisteria actually takes — and those shift from one yard to the next. Enter your address and we'll score wisteria against your land's real conditions.
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What Wisteria is
Wisteria grows as a perennial and reaches around 30 feet at maturity. It blooms purple in spring.
How to grow Wisteria
Wisteria grows in USDA zones 5 through 9. Wisteria does best in full sun — at least 2 hours of direct sun a day — and soil from pH 4 to 7, on well-drained ground. It needs around 2,500 growing degree days to mature and a growing season of at least 160 frost-free days, which is why climate matters as much as soil.
USDA Zones
5-9
USDA PHZM 2023
Soil pH
4 - 7
USDA PLANTS
Sun
Full Sun
Growable Ground plant catalog
Drainage
well (dry spells)
Growable Ground plant catalog
GDD Required
2500+
Growing degree-days of accumulated warmth it needs to mature — humid summers reach this faster than cool coastal ones.
Growable Ground plant catalog
Mature Height
30 ft
Growable Ground plant catalog
Frost-Free Days
160+
The frost-free stretch it needs start to finish — short-season areas may need an indoor head start.
Growable Ground plant catalog
Plant it right
Set wisteria 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
Wisteria prefers pH 4 to 7 (USDA PLANTS). A quick soil test from your local Extension lab tells you whether to add lime or sulfur to land in band. It fixes its own nitrogen, so skip the high-nitrogen feed and instead dust the seed with a matching rhizobium inoculant at sowing.
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.
Where Wisteria thrives
Wisteria is hardy across USDA zones 5 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.
A USDA zone is a 10°F band of average annual extreme winter minimum, so zones 5–9 spans average winter lows from -20°F to 30°F (USDA PHZM 2023). Across the 50 states and DC, that band covers 25 outright and splits 25 more down the middle — and which side of that line your land sits on changes the answer.
Zones 5–9·Where Wisteria growsOpen map →
Where Wisteria stands, state by state
Wisteria is rated for zones 5–9 — a cold floor USDA puts at -20 to -10°F. Across the 50 states and DC, 25 sit fully inside that band, the line runs through 25 more, and 1 sits outside it — and inside every split state, the same line runs on at county grain.
Fully inside zones 5–9
25 states
3 of 25 shown
The line runs through
25 states
3 of 25 shown
Wisteria’s band covers part of each of these states — which side of the line your county sits on changes the answer, and each state page draws it.
Outside zones 5–9
1 state
- North Dakota · zones 3b-4b
Winter cold is the limit here — the same plant often works in a container that comes under cover. Each link is that state’s own growing hub.
State zone extents: USDA Plant Hardiness Zone Map (PHZM) 2023. A zone is a 10°F band of average annual extreme minimum temperature, so a state that splits the band contains the boundary — its own page draws the county line, and a parcel report resolves which side your land sits on.
What grows around Wisteria
Growing guides for wisteria
In rotation planning, wisteria counts as a Legume — beds recover best when legume crops don’t follow each other in the same spot year over year. (Growable Ground derivation — crop-rotation group from botanical family)
Good to know
One caution for pet owners — wisteria is toxic to dogs and cats (moderate severity). Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: ASPCA.)
Wisteria offers moderate value to bees and other pollinators. (Source: Pollinator Partnership.)
Your land is one point inside Wisteria's range
This page resolves to the species. Your state page draws the county line, and a report reads the parcel — the soil pH, drainage, sun, and frost dates on your exact ground, which no species average can see.
See if Wisteria will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether wisteria 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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How we know this about Wisteria
The figures above are cited per row, not per site: the pH band names this plant’s own source column, the three temperature figures each carry their own, and days-to-maturity cites the publication that actually lists it. All of it comes from the Growable Ground Plant Database — a compilation over FAO ECOCROP, USDA PLANTS, and university Extension sources, published openly with per-field provenance.
Grounded inUSDA PLANTS Database•USDA PHZM•ASPCA
Frequently asked questions
Can I grow Wisteria in my zone?
Wisteria grows in USDA hardiness zones 5 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 Wisteria?
Set wisteria 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 Wisteria need?
Wisteria needs full sun — a spot that catches at least 2 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 Wisteria need?
Wisteria prefers soil pH 4 to 7, on well-drained ground (USDA PLANTS). Your report scores your parcel's actual soil against that using USDA SSURGO data.
Does Wisteria attract pollinators?
Yes — wisteria's flowers are a solid nectar source for honeybees and native bees. (Source: Pollinator Partnership.)
Is Wisteria safe for pets?
Wisteria is toxic to pets (dogs,cats) with moderate severity. Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: ASPCA.)