Generally — Most Areas
quaking aspen (zones 1-7) suits most of New Jersey (6a-8a) — zones 6-7 are in range, and the rest of the state is the exception.
Quaking Aspen in New Jersey — the short answer
Quaking Aspen in New Jersey: hardy in zones 1–7, full sun, against a state median of ~222 frost-free days.
- Plant zones
- 1-7
- 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
- New Jersey zones
- 6a-8a
- USDA PHZM 2023
- Frost window
- Mar 26 - Apr 4 – Nov 5 - Nov 17
- NOAA RCC ACIS 1991-2020, 28°F
- Shortest county season
- 196 days
- NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze
Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS and university Extension sources — per-field provenance varies and is published with the dataset.
Your yard isn't the whole zone.
New Jersey spans zones 6a-8a, but your yard sits in exactly one — and slope, tree cover, and cold-air pockets nudge it further. Enter your address and we'll score quaking aspen against your parcel's actual hardiness, soil, and sun.
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
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New Jersey is not one climate
New Jersey’s winter-low ladder runs across 21 counties, from zone 6.5 in Morris County to zone 7.5 in Salem County. That is 10°F between the two counties’ average coldest night — the difference between quaking aspen overwintering in the ground and coming under cover.
The middle half of 21 counties runs 7–7 zones, with a median of 7 zones — a 1-zone span end to end.
Measured across 21 New Jersey counties. USDA PHZM 2023, per county. Quartiles are order statistics — every figure shown is a value a real county recorded, not an interpolation. Your own site sits somewhere inside this range; a parcel report resolves where.
Where in New Jersey Fits Best
Quaking Aspen is rated for zones 1–7 — a cold floor USDA puts at -60 to -50°F. Against New Jersey’s 21 counties that band holds in 16 of them, and the line runs at Morris County (zone 6b), the coldest county still inside it.
Inside zones 1–7
16 counties
- Sussex County · zone 6b
- Warren County · zone 6b
- Atlantic County · zone 7a
3 of 16 shown
Above the zone 7 ceiling
5 counties
- Cape May County · zone 7b
- Cumberland County · zone 7b
- Gloucester County · zone 7b
3 of 5 shown
Too little winter chill rather than too much cold — a low-chill selection is what changes it.
County hardiness zones: USDA Plant Hardiness Zone Map (PHZM) 2023, per county. A zone is a 10°F band of average annual extreme minimum temperature, so the floor above is the band the plant's rating denotes, not a single measured kill point. Slope, shelter and cold-air drainage routinely move a site half a zone either way from its county figure — which is the part only your address resolves.
Even within New Jersey's zones 6a-8a, county microclimates differ enough to change what thrives. These counties carry the closest zone match for quaking aspen (USDA PHZM 2023):
Zone Comparison
Quaking Aspen Needs
- USDA Zones: 1-7
- Frost-Free Days: 120+
- Sun: Full Sun
- Mature size: 65 ft tall
- Drought tolerance: Low
New Jersey Has
- USDA Zones: 6a-8a
- Last Hard Freeze (28°F): Mar 26 - Apr 4
- First Hard Freeze (28°F): Nov 5 - Nov 17
- Annual Rainfall: 40-50 inches
- Common Soils: Sandy loam (Pine Barrens), Silt loam, Clay
Plant Zone Range (zones 1-7)
Preferred Soil pH
Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS, and university Extension sources — per-field provenance varies and is published with the dataset. State data: USDA ARS PHZM 2023, NOAA Climate Normals, NRCS SSURGO.
When to Plant Quaking Aspen in New Jersey
The frost window
Across New Jersey, the last spring hard freeze (28°F) clears between Mar 26 and Apr 4, and the first fall hard freeze lands between Nov 5 and Nov 17 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 215-day window you can count on — up to 236 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 Jersey runs as cold as USDA zone 6, and no sourced winter-hardiness floor is on record for quaking aspen, so this page does not state whether it overwinters here — and gives no fall establishment date on the strength of a guess. Whether quaking aspen is a permanent planting or a replant-every-spring crop for you turns on your own zone within New Jersey; check its hardiness range against that before treating it as long-lived ground.
Timing tuned to sub-state frost dates — Morris County, not the statewide average.
Frost window: NOAA Climate Normals 1991-2020. Plant timing fields: Growable Ground Plant Database — frost-free days from FAO ECOCROP, days to harvest from university Extension production guides, and growing-degree-day and chill-hour minimums that are compilation estimates rather than published figures. 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 quaking aspen survives winter in part of New Jersey, not across all of it. Whether the season is long enough — and warm enough — is a different question.
Frost-free days
Quaking Aspen wants 120+ frost-free days; a typical New Jersey site sees ~222 (NOAA Regional Climate Centers ACIS, 1991-2020). That leaves comfortable headroom for succession planting.
Chill hours
Quaking Aspen requires ~1000 chill hours (32-45°F dormancy window). New Jersey 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
Quaking Aspen tolerates a wide pH range (pH 4.5-9.9) — 5.4 units, acid ground through alkaline — so soil acidity is rarely what limits it in New Jersey. 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 5.5 and 7 — worth knowing before you decide whether a New Jersey soil test result is a problem or just a number. Drainage matters: this plant wants poorly (saturated >50% of year), well (dry spells). If your New Jersey site is heavier clay or sits in a low spot, raised beds or amendment with compost solve it.
Your land, not the state average
SSURGO maps about 14.3% of New Jersey as poorly or somewhat-poorly drained, and the class flips parcel to parcel. Quaking Aspen has low drought tolerance, so it is the fast-draining end that will cost you — your soil map unit, not the state average, is the real answer.
Check your parcel → Source: USDA NRCS SSURGO.
Plant pH requirements: FAO ECOCROP and USDA PLANTS, with the remaining rows from other published sources or Growable Ground compilation. Drainage: FAO ECOCROP, with the remaining rows from other published sources or Growable Ground compilation. New Jersey soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.
What Else to Consider for Quaking Aspen in New Jersey
Zone compatibility tells you about winter cold survival — but New Jersey growers also need to think about:
Sandy Pine Barrens soils are nutrient-poor
Urban heat island effects in northern NJ
Deer browse is extreme in suburban areas
Growing quaking aspen here specifically
Quaking Aspen roots run medium and prefer pH 4.5–9.9, but drainage comes first here: SSURGO maps about 14.3% of New Jersey as poorly or somewhat-poorly drained, and wet ground rots its crown before pH ever matters.
Plant quaking aspen on a raised, gravel-amended berm so water drains fast and the crown stays dry. How to handle it →
What to actually do about these — and the constraints that apply to every New Jersey grower, not just quaking aspen — is covered on the New Jersey growing guide.
Timing shifts within New Jersey
New Jersey isn't one climate. In Morris County, the last hard freeze (28°F) holds until about Apr 11 — roughly 11 days later than the recorded state median — so plant quaking aspen to your county's window, not the statewide date.
Quaking Aspen needs about 120 days of frost-free season to complete its cycle. Even Sussex County — New Jersey’s shortest season at 196 frost-free days — clears that by 76 days, so season length isn’t the constraint anywhere in New Jersey. What varies is your own parcel.
County last-freeze dates and frost-free day counts: NOAA Regional Climate Centers ACIS (1991-2020), county 28°F freeze (earlier than the folk 32°F "last frost"). Quaking Aspen's 120-day requirement: USDA PLANTS / Growable Ground plant database (minimum frost-free days). A parcel report resolves your address's own frost dates.
New Jersey Cooperative Extension
For New Jersey-specific cultivar recommendations, planting calendars, and pest pressure for quaking aspen, the canonical source is Rutgers Cooperative Extension. Their fact sheets carry the local trial data we can't generalize across 50 states.
Is Quaking Aspen native to New Jersey?
Yes — the USDA PLANTS Database (accessed 2026-07-01) documents Quaking Aspen as native to New Jersey. Planting it supports the pollinators and wildlife that evolved alongside it.
Native-range data: USDA PLANTS Database state-distribution records, accessed 2026-07-01.
Common Questions About Growing Quaking Aspen in New Jersey
When can I plant Quaking Aspen in New Jersey?
New Jersey's last spring hard freeze (28°F) clears between Mar 26 and Apr 4, and the first fall hard freeze lands between Nov 5 and Nov 17 (NOAA Regional Climate Centers ACIS, 1991-2020). No sourced winter-hardiness floor is on record for Quaking Aspen, so this page does not state whether it overwinters in New Jersey 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 Quaking Aspen grown in across New Jersey?
New Jersey spans USDA hardiness zones 6a-8a (USDA ARS PHZM 2023). Quaking Aspen carries a range of zones 1-7, so the overlap zones are where outdoor growing is most reliable.
How many frost-free days does a typical New Jersey site have?
A typical New Jersey site sees ~222 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). Quaking Aspen needs 120+ frost-free days, so check whether your local microclimate runs above or below the state average before settling on a planting date. In cooler counties like Morris, the freeze-free season runs shorter than the state average, so verify your own county's window.
Is Quaking Aspen native to New Jersey?
Yes — the USDA PLANTS Database (accessed 2026-07-01) documents Quaking Aspen as native to New Jersey. Planting it supports the pollinators and wildlife that evolved alongside it.
How should I amend the soil for Quaking Aspen in New Jersey?
Quaking Aspen tolerates pH 4.5-9.9 and poorly (saturated >50% of year), well (dry spells) drainage (FAO ECOCROP). That is a 5.4-unit span, acid ground through alkaline, so pH is rarely what limits this plant on a New Jersey site — amend for drainage and organic matter first.
Will Quaking Aspen actually grow on my specific land in New Jersey?
State-level zone + climate data is a sketch. A Growable Ground parcel report scores quaking aspen against your address's exact soil pH, drainage, sun, and frost-date data drawn from USDA SSURGO, NOAA, and PRISM — not state averages.
Check your specific parcel in New Jersey
State-level data is a sketch. Your Growable Ground report scores quaking aspen against your parcel's exact soil, sun, drainage, and frost data — not zone averages.
Three things about your lot that New Jersey quaking aspen averages can't show:
We read public map data around New Jersey — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the New Jersey quaking aspen average
Explore More
Growing guides for quaking aspen
Explore New Jersey county by county
New Jersey carries 21 counties with their own USDA zone — a sample of the growing pages for quaking aspen there:
Where else quaking aspen grows
Quaking Aspen's zone band crosses state lines — these are the states closest to New Jersey in winter climate where it also has a page, plus the far ends of its range. Each one re-answers the question with that state's own record.
More to grow in New Jersey
New Jersey has a growing page for 1,020 plants — a rotating sample of the rest of the shelf.
Analysis by the Growable Ground research team, grounded in USDA PLANTS, USDA NRCS SSURGO, NOAA Climate Normals (1991-2020), and named Cooperative Extension sources. How we know →
Cite this dataset
Kirchick, M. (2026). Growable Ground Plant Database [Data set]. Zenodo. https://doi.org/10.5281/zenodo.21435643
Licensed CC BY-NC 4.0. DOI 10.5281/zenodo.21435643
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