Unlikely — Zone Mismatch
malabar spinach is grown in zones 9-11, which does not overlap with New York's zone range (4a-7b). Growing outdoors is unlikely without significant protection.
2 zones short — what would close it
Malabar Spinach is hardy to zone 9, and the warmest ground in New York is zone 7 — 2 zones short. Planted in open ground it will not survive a New York winter. To grow it here, grow malabar spinach in an earth-sheltered greenhouse — its modeled 2.5-zone lift covers this gap.
An earth-sheltered greenhouse is the lift this needs. How a greenhouse changes what you can grow →
Zone math from 9-11 (plant) against 3-7 (New York). Lift modeled by crop_engine.GREENHOUSE_ZONE_MODIFIER_BY_SUBTYPE['earth_sheltered'] (+2.5 zones) via api/fast_sections.py Unlock Engine v2.
Malabar Spinach in New York — the short answer
Malabar Spinach in New York: grown in zones 9–11, full sun, against a state median of ~185 frost-free days.
- Plant zones
- 9-11
- Rated hardy to zone 9a by NC State Extension Gardener Plant Toolbox, checked Oct 2026. Ceiling: not verified.
- New York zones
- 4a-7b
- USDA PHZM 2023
- Frost window
- Apr 13 - Apr 29 – Oct 18 - Nov 5
- NOAA RCC ACIS 1991-2020, 28°F
- Shortest county season
- 136 days
- NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze
- Days to maturity
- 55 days
- Growable Ground Plant Database
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 York spans zones 4a-7b, 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 malabar spinach 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.
No card required · your parcel report in seconds — read in full free for your first 14 days
New York is not one climate
A single New York answer averages 62 counties whose growing seasons are 122 days apart — from 136 frost-free days in Hamilton County to 258 in New York County. Which end of that your land sits nearer changes what malabar spinach can finish before the first hard freeze.
The middle half of 62 counties runs 173–204 days, with a median of 184 days — a 122-day span end to end.
Measured across 62 New York counties. NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze. 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 Malabar Spinach Stands in New York
Malabar Spinach is rated for zones 9–11 — a cold floor USDA puts at 20 to 30°F. No New York county sits inside it, so in open ground this is a grown-under-cover plant here rather than a bed plant — which is a statement about New York winters, not about malabar spinach.
Below the zone 9 floor
62 counties
- Essex County · zone 4a
- Franklin County · zone 4a
- Hamilton County · zone 4a
3 of 62 shown
Winter cold is the limit here — the same plant works in a container that comes under cover.
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.
Zone Comparison
Malabar Spinach Needs
- USDA Zones: 9-11
- Frost-Free Days: 55+
- Sun: Full Sun
- Mature size: 10 ft tallWe haven't confirmed this against a published source yet.
- Picking window: ~45 days of harvestWe haven't confirmed this against a published source yet.
- Drought tolerance: MediumWe haven't confirmed this against a published source yet.
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 9-11)
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 Malabar Spinach 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.
When to start the seed
Those dates are when malabar spinach goes out, not when it starts. It is sown under cover about 4 weeks ahead, so counting back from New York's late-side last freeze of Apr 29 is what fixes your sowing date — and a yard that clears frost earlier than the state's late date starts earlier still.
Winter standing
New York runs as cold as USDA zone 4, and no sourced winter-hardiness floor is on record for malabar spinach, so this page does not state whether it overwinters here — and gives no fall establishment date on the strength of a guess. Whether malabar spinach 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.
Timing tuned to sub-state frost dates — Hamilton 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
Malabar Spinach is grown in zones 9–11; New York runs zones 4a-7b, outside that range. It is grown as a summer crop, so season length decides it here. New York's typical season runs ~185 frost-free days against the ~55 malabar spinach needs.
Frost-free days
Malabar Spinach wants 55+ frost-free days; a typical New York site sees ~185 (NOAA Regional Climate Centers ACIS, 1991-2020). That leaves comfortable headroom for succession planting.
Growing degree days
Malabar Spinach needs ~2000 GDD (base 50°F) to ripen. We haven't confirmed this against a published source yet. The state median runs ~2042 GDD (from PRISM 1991-2020 climate normals), so New York sits right at the threshold — pay attention to siting and microclimate.
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
Malabar Spinach tolerates a wide pH range (pH 4.3-7.5) — 3.2 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 5.5 and 7 — 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, a raised bed lifts the roots above wet ground, or work in compost.
Your land, not the state average
Whether malabar spinach is safe to eat from New York soil is a block-by-block question, not a town-wide one — 39,444 documented contamination sites mean levels spike on some parcels and not the one next door. Malabar Spinach roots to about 7 inches, so it is the top 7 inches under your address that decide what it takes up, so only a test on your address settles it.
Check your parcel → Source: USDA NRCS SSURGO + EPA/state contamination databases.
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 York soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.
Before you plant malabar spinach for food
Anything you grow to eat takes up what is in the ground it grows in, so what is on record near you is worth knowing before malabar spinach goes in. What follows is New York’s documented federal record at state scale — a screening signal, not a soil test, and not a statement about any one lot.
Safe to Grow Here?
What the federal record shows across New York — and how to grow with it.
We checked the federal record across New York — 39,444 documented sites across 7 of the 8 source types we track.
The most significant on record: 738 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.
New York carries one of the heavier federal records we track — and that's not a verdict on your yard. Proximity to a documented site is information, not a diagnosis: nothing here says any particular parcel is affected. It does earn one concrete step — before food beds go in the ground, a professional soil test tells you exactly what you're working with, and raised beds of imported, lab-tested soil grow well almost anywhere in the meantime.
Sources Checked
across New York
Severity Distribution
across New York
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around New York, CAFO runs higher than the national average — 1,029 sites across New York. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
CAFO: CAFOs pose a different contamination profile than chemical sources.
Wash all produce consumed raw thoroughly, especially leafy greens grown near CAFOs.
Sources: EPA, USGS — 950K documented sites tracked nationwide across 8 federal source types.
What Else to Consider for Malabar Spinach in New York
The zone range tells you where malabar spinach is grown — 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
Growing malabar spinach here specifically
Because you eat the leaves of malabar spinach that sit in the soil, contamination matters more than for most crops — New York has 39,444 documented sites, and lead concentrates block by block, not town-wide.
Test your soil for lead first, and if the reading is high grow malabar spinach in a raised bed of imported, lab-tested soil, which lowers contact with the ground but does not remove it. How to handle it →
What to actually do about these — and the constraints that apply to every New York grower, not just malabar spinach — is covered on the New York growing guide.
Timing shifts within New York
New York isn't one climate. In Hamilton County, the last hard freeze (28°F) holds until about May 19 — roughly 27 days later than the recorded state median — so plant malabar spinach to your county's window, not the statewide date.
Malabar Spinach needs about 55 days of frost-free season to complete its cycle. Even Hamilton County — New York’s shortest season at 136 frost-free days — clears that by 81 days, so season length isn’t the constraint anywhere in New York. What varies is your own parcel.
Across New York’s 62 counties the frost-free season runs from 136 days in Hamilton County to 258 days in New York County — a spread of 122 days, which is why a single statewide planting date misleads. The median New York county sees 185 frost-free days, leaving malabar spinach about 130 days of slack on a typical parcel — room for a second sowing where the season runs long.
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"). Malabar Spinach's 55-day requirement: USDA PLANTS / Growable Ground plant database (minimum frost-free days). A parcel report resolves your address's own frost dates.
Pollinator + Wildlife Value
Malabar Spinach draws honeybees (low value). Planting it near vegetable beds can lift fruit set on neighboring crops. Outdoors, malabar spinach can only work that bloom inside New York's frost window — roughly 185 days, opening after the last 28°F freeze (Apr 13 - Apr 29) and closing at the first (Oct 18 - Nov 5), per NOAA Regional Climate Centers ACIS, 1991-2020. Pollinator value: We haven't confirmed this against a published source yet.
New York Cooperative Extension
For New York-specific cultivar recommendations, planting calendars, and pest pressure for malabar spinach, the canonical source is Cornell Cooperative Extension. Their fact sheets carry the local trial data we can't generalize across 50 states.
Is Malabar Spinach native to New York?
No — the USDA PLANTS Database lists Malabar Spinach as introduced rather than native in the Lower 48, so it is not part of New York's native flora. It grows here as a garden plant; pairing it with a few New York natives keeps local pollinators fed too.
Looking for plants that belong here? The New York growing guide lists plants that USDA PLANTS records growing in New York and that Kew and NatureServe Explorer both list in its native range, leaving out any that NatureServe flags as exotic there or that our audit holds.
State records: USDA PLANTS Database state-distribution data (presence, not state-level nativity), accessed 2026-10-19.
Common Questions About Growing Malabar Spinach in New York
When can I plant Malabar Spinach 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 Malabar Spinach, 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 Malabar Spinach grown in across New York?
New York spans USDA hardiness zones 4a-7b (USDA ARS PHZM 2023). Malabar Spinach is listed for zones 9-11, which do not overlap them, so there is no zone in New York where this page can call outdoor growing reliable. A parcel report resolves your own address's zone.
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). Malabar Spinach needs 55+ 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 Hamilton, the freeze-free season runs shorter than the state average, so verify your own county's window.
Is Malabar Spinach native to New York?
No — the USDA PLANTS Database lists Malabar Spinach as introduced rather than native in the Lower 48, so it is not part of New York's native flora. It grows here as a garden plant; pairing it with a few New York natives keeps local pollinators fed too.
How should I amend the soil for Malabar Spinach in New York?
Malabar Spinach tolerates pH 4.3-7.5 and well (dry spells) drainage (FAO ECOCROP). That is a 3.2-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 Malabar Spinach actually grow on my specific land in New York?
State-level zone + climate data is a sketch. A Growable Ground parcel report scores malabar spinach against your address's mapped soil pH, drainage, sun, and frost-date data drawn from USDA SSURGO, NOAA, and PRISM — not state averages.
Check your specific parcel in New York
State-level data is a sketch. Your Growable Ground report scores malabar spinach against your land's mapped soil, modelled sun, drainage, and frost data — not zone averages.
Three things about your lot that New York malabar spinach averages can't show:
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 malabar spinach average
Explore More
Growing guides for malabar spinach
Explore New York county by county
New York carries 62 counties with their own USDA zone — a sample of the growing pages for malabar spinach there:
Where else malabar spinach grows
Malabar Spinach's zone band crosses state lines — these are the states closest to New York 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 York
New York has a growing page for 889 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
Last updated: