Can I Grow London Plane in New York?

USDA Zones 4a-7b · Plant zone range 4-8

Yes — Strong Match

London plane (zones 4-8) covers every zone New York contains (4a-7b), so hardiness is not what limits it anywhere in the state.

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Zone Comparison

London Plane Needs

  • USDA Zones: 4-8
  • Sun: Part Sun
  • Mature size: 80 ft tall
  • Drought tolerance: Medium

New York Has

  • USDA Zones: 4a-7b
  • Last Hard Freeze (28°F): Apr 13 - Apr 29
  • First Hard Freeze (28°F): Oct 18 - Nov 5
  • Annual Rainfall: 30-50 inches
  • Common Soils: Glacial till, Silt loam, Clay loam

Plant Zone Range (zones 4-8)

4a
8b
3a (Cold)13b (Hot)

Preferred Soil pH

3.5 (Acidic)7.0 (Neutral)9.0 (Alkaline)
Highlighted range: pH 3.010.0

Plant data: USDA PLANTS Database / Growable Ground plant catalog. State data: USDA ARS PHZM 2023, NOAA Climate Normals, NRCS SSURGO.

When to Plant London Plane in New York

The frost window

Across New York, the last spring hard freeze (28°F) clears between Apr 13 and Apr 29, and the first fall hard freeze lands between Oct 18 and Nov 5 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 172-day window you can count on — up to 206 days on a mild site in a kind year. That marks the hard freeze, not the last light frost, so tender transplants usually wait another 2-3 weeks.

Winter standing

New York runs as cold as USDA zone 4, and no sourced winter-hardiness floor is on record for london plane, so this page does not state whether it overwinters here — and gives no fall establishment date on the strength of a guess. Whether london plane is a permanent planting or a replant-every-spring crop for you turns on your own zone within New York; check its hardiness range against that before treating it as long-lived ground.

Frost window: NOAA Climate Normals 1991-2020. Plant timing fields: USDA PLANTS Database. Your site's own frost dates can run earlier or later than the state range — a parcel report pins them down.

Growing Season Fit

The zone check says london plane survives winter here. Whether the season is long enough — and warm enough — is a different question.

Chill hours

London Plane requires ~400 chill hours (32-45°F dormancy window). New York typically banks ~2500 chill hours per winter (from PRISM 1991-2020 climate normals), which keeps this plant on track.

GDD and chill-hour figures are computed from PRISM 1991-2020 monthly climate normals; frost-free days from NOAA Regional Climate Centers ACIS, 1991-2020. Each is the state median across its counties (P25/P75 span the within-state spread). Hardiness-zone range is USDA PHZM 2023.

Soil + Drainage Fit

London Plane tolerates a wide pH range (pH 3-10) — 7 units, acid ground through alkaline — so soil acidity is rarely what limits it in New York. A soil test is still worth having, but for what else it tells you about this site, not to clear this plant. It will grow across that whole span, but it does best between pH 4.5 and 8.5 — worth knowing before you decide whether a New York soil test result is a problem or just a number. Drainage matters: this plant wants well (dry spells). If your New York site is heavier clay or sits in a low spot, raised beds or amendment with compost solve it.

Plant pH and drainage requirements from USDA PLANTS Database. New York soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.

London Plane in New York — Quick Answer

  • Verdict: Yes — Strong Match
  • Plant Zones: 4-8 (USDA PLANTS Database)
  • State Zones: 4a-7b (USDA ARS PHZM 2023)
  • Growing Season: 28°F hard freezes about Apr 13 - Apr 29 to Oct 18 - Nov 5 (NOAA Regional Climate Centers ACIS, 1991-2020)

What Else to Consider for London Plane in New York

Zone compatibility tells you about winter cold survival — but New York growers also need to think about:

Short upstate growing season (100-140 frost-free days in Adirondacks)

Heavy clay soils in western NY require drainage improvement

Late spring frosts through May in higher elevations

Deer browse pressure is heavy in suburban and rural areas

What to actually do about these — and the constraints that apply to every New York grower, not just london plane — is covered on the New York growing guide.

Where in New York London Plane Is Zone-Hardy

London Plane is rated for USDA zones 48. Every one of New York’s 62 counties sits inside that band — from Essex County at zone 4a to Richmond County at zone 7b — so winter cold is not what decides this plant anywhere in the state. What is left to vary is your own parcel: slope, shelter and cold-air drainage routinely move a site half a zone either way from the county figure.

Across those 62 counties New York’s winter-low ladder runs from zone 4a in Essex County to zone 7b in Richmond County 3.5 USDA zones of spread, which is 35°F between the two counties’ average coldest night of the year. That is why a statewide hardiness answer is where you start and not where you finish.

The planting window moves with it. Hamilton County holds its last hard freeze (28°F) until about May 19, while Bronx County is clear by Mar 19 61 days apart. Set london plane out on your county’s date, not the state’s.

County hardiness zones: USDA Plant Hardiness Zone Map (PHZM) 2023, per county. County last-freeze dates: NOAA Regional Climate Centers ACIS (1991-2020), county 28°F killing freeze — earlier than the folk 32°F "last frost". London Plane’s zone 48 band: USDA PLANTS / Growable Ground plant database. A parcel report resolves your address’s own zone and frost dates rather than its county’s.

Where in New York Fits Best

Even within New York's zones 4a-7b, county microclimates differ enough to change what thrives. These counties carry the closest zone match for london plane (USDA PHZM 2023):

New York Cooperative Extension

For New York-specific cultivar recommendations, planting calendars, and pest pressure for london plane, the canonical source is Cornell Cooperative Extension. Their fact sheets carry the local trial data we can't generalize across 50 states.

What pests threaten london plane in New York?

Japanese beetle is documented in New York and will find london plane, but it is manageable here. What an experienced grower watches for, and does:

Japanese beetle

Japanese beetle

Worth watching

The University of Kentucky lists this among the landscape plants Japanese beetles are most likely to attack, and the skeletonized, lace-like leaves can look alarming. But the honest calibration is the University of Minnesota's: a healthy, established tree, shrub or vine tolerates a lot of this feeding without significant, long-term injury — in most cases the damage is cosmetic and will not kill the plant.

What to do: For an established planting the move is to leave it be and keep it watered through the four-to-six-week flight — a vigorous plant outgrows feeding that looks worse than it is. Young or already-stressed plants are the exception and worth hand-protecting: knock beetles into soapy water in the cool of morning, when they are slow. The one thing not to hang is a Japanese beetle trap — University of Kentucky research found the lures pull in far more beetles than they catch.

Documented range: states listed as Japanese-beetle infested · University of Kentucky Entomology, University of Minnesota Extension, National Plant Board

The full japanese beetle playbook

Only pests whose documented range and host relationship both trace to a primary source appear here — so a quiet section means we have nothing sourced to tell you, not that your garden is pest-free.

Common Questions About Growing London Plane in New York

When can I plant London Plane in New York?

New York's last spring hard freeze (28°F) clears between Apr 13 and Apr 29, and the first fall hard freeze lands between Oct 18 and Nov 5 (NOAA Regional Climate Centers ACIS, 1991-2020). No sourced winter-hardiness floor is on record for London Plane, so this page does not state whether it overwinters in New York and publishes no fall establishment date for it — check its hardiness range against your own zone before treating it as a permanent planting.

What hardiness zone is London Plane grown in across New York?

New York spans USDA hardiness zones 4a-7b (USDA ARS PHZM 2023). London Plane carries a range of zones 4-8, so the overlap zones are where outdoor growing is most reliable.

How many frost-free days does a typical New York site have?

A typical New York site sees ~185 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). London Plane should be matched against that window, so check whether your local microclimate runs above or below the state average before settling on a planting date.

How should I amend the soil for London Plane in New York?

London Plane tolerates pH 3-10 and well (dry spells) drainage (FAO ECOCROP). That is a 7-unit span, acid ground through alkaline, so pH is rarely what limits this plant on a New York site — amend for drainage and organic matter first.

Will London Plane actually grow on my specific land in New York?

State-level zone + climate data is a sketch. A Growable Ground parcel report scores london plane against your address's exact soil pH, drainage, sun, and frost-date data drawn from USDA SSURGO, NOAA, and PRISM — not state averages.

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Check your specific parcel in New York

State-level data is a sketch. Your Growable Ground report scores london plane against your parcel's exact soil, sun, drainage, and frost data — not zone averages.

Three things about your lot that New York london plane averages can't show:

Your soil pHYour frost-free days — New York averages 185Your sun & shade

We read public map data around New York — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources read at your address, not the New York london plane average

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