Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for 14604 — Rochester, NY

ZIP code 14604 (Rochester, Monroe County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is April 24 and the first fall frost October 25.

Where ZIP 14604 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone6b−5 to 0 °F
Coldest night−20.6 to −17.8 °C
Last frostApr 24
First frostOct 25
2012 zone6a

Was 6a on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 6b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Rochester, NY…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Rochester, NY

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 24median — 50% chance of a later frost
Safe for tender plantsMay 8only 10% chance of frost after
First fall frostOctober 25median — 10% chance by Oct 8
Growing season181 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 14 and returns around November 6.

From the NOAA station Rochester Gtr Intl Airport, NY — 4 miles away, elevation 535 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in 14604

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 13 – Mar 27
SpinachSow outdoors · Mar 13 – Apr 3
Broccoli, cabbageStart indoors · Feb 13 – Feb 27
Broccoli, cabbageTransplant · Apr 3 – Apr 17
Onion setsPlant outdoors · Mar 27 – Apr 10
PotatoesPlant outdoors · Apr 3 – Apr 17
LettuceSow outdoors · Mar 27 – Apr 10
Carrots, beetsSow outdoors · Apr 3 – Apr 17
TomatoesStart indoors · Feb 27 – Mar 13
TomatoesTransplant · May 1 – May 15
Peppers, eggplantStart indoors · Feb 13 – Feb 27
Peppers, eggplantTransplant · May 8 – May 22
BeansSow outdoors · May 1 – May 15
Sweet cornSow outdoors · May 1 – May 15
Cucumbers, squashSow outdoors · May 1 – May 15
Fall lettuce, spinachSow outdoors · Aug 30 – Sep 13
GarlicPlant cloves · Oct 11 – Nov 15
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 24) and first fall frost (Oct 25) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 14604 came on Apr 5 — 4 days earlier than the 1991–2020 average (Apr 9).

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Native plants for zone 6b in New York

641 plants native to the lower 48 states, recorded in New York, and rated by the USDA to survive −5 °F or colder — the bottom of zone 6b. Each links to its USDA PLANTS profile.

Trees 77

American basswood100 ft · blooms late spring · low shade tolerance · to −46 °FAmerican beech80 ft · blooms mid spring · low shade tolerance · to −44 °FAmerican chestnut115 ft · blooms early summer · high shade tolerance · to −33 °FAmerican elm120 ft · blooms early spring · medium shade tolerance · to −46 °FAmerican sycamore100 ft · blooms spring · medium shade tolerance · to −34 °Farborvitae50 ft · blooms mid spring · medium shade tolerance · to −33 °F

Shrubs 130

alderleaf buckthorn3 ft · blooms late spring · low shade tolerance · to −33 °FAllegheny serviceberry35 ft · blooms early spring · low shade tolerance · to −38 °Falternateleaf dogwood25 ft · blooms mid spring · low shade tolerance · to −47 °FAmerican black currant3 ft · blooms early spring · to −46 °FAmerican hazelnut10 ft · blooms spring · medium shade tolerance · to −33 °FAmerican holly40 ft · blooms mid spring · low shade tolerance · to −20 °F

Wildflowers & perennials 217

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °FAmerican bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °FAmerican licorice4 ft · blooms late spring · medium shade tolerance · to −38 °FAmerican lotus3 ft · blooms mid summer · high shade tolerance · to −36 °FAmerican pokeweed7 ft · blooms mid summer · low shade tolerance · to −33 °F

Grasses 192

alkali sacaton3 ft · blooms mid summer · high shade tolerance · to −38 °FAmerican beachgrass2.5 ft · blooms spring · high shade tolerance · to −28 °Farctic brome3 ft · blooms early summer · low shade tolerance · to −33 °FAtlantic mannagrass3 ft · blooms summer · low shade tolerance · to −8 °Fawlfruit sedge4 ft · blooms mid spring · low shade tolerance · to −38 °FBailey's sedge2.1 ft · blooms late spring · low shade tolerance · to −33 °F

Vines 8

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °Ffrost grape83 ft · blooms late spring · medium shade tolerance · to −23 °Friverbank grape45 ft · blooms late spring · medium shade tolerance · to −33 °Fsummer grape30 ft · blooms late spring · low shade tolerance · to −23 °Ftrumpet creeper2 ft · blooms summer · high shade tolerance · to −13 °F

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Rochester, NY.

Soil in Rochester, NY

The center of ZIP 14604 is mapped as Urban land: built-over ground without natural soil data. Garden soil here is usually imported or disturbed — test before you plant.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 14604; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Rochester, NY

Summer high83 °Faverage high, July
Winter low19 °Faverage low, January
Hot days8days a year at 90 °F or more
Freezing nights129nights a year at 32 °F or less
Growing degree days2,835base 50 °F — the season’s usable heat
Longest day15 h 23 mindaylight on June 21
Shortest day8 h 59 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation35.1 inper year, rain and melted snow
Snowfall102 inper year; 72 days with snow on the ground

Average high and low, by month

10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 33 °F, low 19 °F 33°19° JanFebruary: average high 35 °F, low 20 °F 35°20° FebMarch: average high 44 °F, low 27 °F 44°27° MarApril: average high 57 °F, low 37 °F 57°37° AprMay: average high 69 °F, low 48 °F 69°48° MayJune: average high 78 °F, low 57 °F 78°57° JunJuly: average high 83 °F, low 62 °F 83°62° JulAugust: average high 81 °F, low 61 °F 81°61° AugSeptember: average high 74 °F, low 54 °F 74°54° SepOctober: average high 61 °F, low 43 °F 61°43° OctNovember: average high 49 °F, low 34 °F 49°34° NovDecember: average high 39 °F, low 25 °F 39°25° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″January: 2.55 in precipitation, 27.4 in snowfall 2.5❄27 JanFebruary: 2.13 in precipitation, 23.1 in snowfall 2.1❄23 FebMarch: 2.49 in precipitation, 17.9 in snowfall 2.5❄18 MarApril: 2.99 in precipitation, 3 in snowfall 3.0❄3 AprMay: 2.86 in precipitation, 0.1 in snowfall 2.9 MayJune: 3.37 in precipitation 3.4 JunJuly: 3.56 in precipitation 3.6 JulAugust: 3.31 in precipitation 3.3 AugSeptember: 3.18 in precipitation 3.2 SepOctober: 3.22 in precipitation, 0.1 in snowfall 3.2 OctNovember: 2.76 in precipitation, 8.1 in snowfall 2.8❄8 NovDecember: 2.67 in precipitation, 22.3 in snowfall 2.7❄22 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Rochester Gtr Intl Airport, NY (4 mi away); precipitation: Rochester Gtr Intl Airport, NY (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6b.

146036b
Rochester, NY · <1 mi
146436b
Rochester, NY · <1 mi
146476b
Rochester, NY · <1 mi
146506b
Rochester, NY · <1 mi
146516b
Rochester, NY · <1 mi
146056b
Rochester, NY · <1 mi
146086b
Rochester, NY · <1 mi
146076b
Rochester, NY · 1 mi

All 37 ZIP codes in Rochester → · New York planting zones →

Questions about 14604

What planting zone is ZIP code 14604?

ZIP code 14604 (Rochester, NY) is in USDA hardiness zone 6b on the 2023 map: the coldest night of an average winter reaches −5 to 0 °F (−20.6 to −17.8 °C).

When is the last frost in Rochester, NY?

The median last spring frost (32 °F) near 14604 is April 24; after May 8 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Rochester Gtr Intl Airport station.

When is the first frost in Rochester, NY?

The median first fall frost near 14604 is October 25, giving a median frost-free growing season of 181 days.

When should I plant tomatoes in 14604?

Start tomato seeds indoors around Feb 27 – Mar 13 and set transplants outside around May 1 – May 15, one to three weeks after the median last frost.

How much rain and snow does 14604 get?

About 35.1 inches of precipitation a year and 102 inches of snowfall (NOAA 1991–2020 normals, Rochester Gtr Intl Airport station).

How hot do summers get in Rochester, NY?

The average high peaks at 83 °F in July, with about 8 days a year at 90 °F or more.

Did spring come early in Rochester, NY in 2026?

Spring leaf-out near 14604 came on Apr 5 in 2026, 4 days earlier than the 1991–2020 average (Apr 9), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Rochester, NY?

Long-day onions: the longest day near 14604 is 15 h 23 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 14604 change?

Yes. The 2012 USDA map put 14604 in zone 6a; the 2023 map puts it in zone 6b. The newer map uses 1991–2020 data and more weather stations.