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

Planting zone for 04769 — Presque Isle, ME

ZIP code 04769 (Presque Isle, Aroostook County) is in USDA zone 4a: the coldest winter night averages −30 to −25 °F. The median last spring frost is May 14 and the first fall frost September 26.

Where ZIP 04769 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.

Zone4a−30 to −25 °F
Coldest night−34.4 to −31.7 °C
Last frostMay 14
First frostSep 26
2012 zone4a

Same zone as on the 2012 map. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 4a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Presque Isle, ME…

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 Presque Isle, ME

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 14median — 50% chance of a later frost
Safe for tender plantsJune 1only 10% chance of frost after
First fall frostSeptember 26median — 10% chance by Sep 10
Growing season131 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 1 and returns around October 6.

From the NOAA station Presque Isle, ME — 2 miles away, elevation 600 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 04769

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 2 – Apr 16
SpinachSow outdoors · Apr 2 – Apr 23
Broccoli, cabbageStart indoors · Mar 5 – Mar 19
Broccoli, cabbageTransplant · Apr 23 – May 7
Onion setsPlant outdoors · Apr 16 – Apr 30
PotatoesPlant outdoors · Apr 23 – May 7
LettuceSow outdoors · Apr 16 – Apr 30
Carrots, beetsSow outdoors · Apr 23 – May 7
TomatoesStart indoors · Mar 19 – Apr 2
TomatoesTransplant · May 21 – Jun 4
Peppers, eggplantStart indoors · Mar 5 – Mar 19
Peppers, eggplantTransplant · May 28 – Jun 11
BeansSow outdoors · May 21 – Jun 4
Sweet cornSow outdoors · May 21 – Jun 4
Cucumbers, squashSow outdoors · May 21 – Jun 4
Fall lettuce, spinachSow outdoors · Aug 1 – Aug 15
GarlicPlant cloves · Sep 12 – Oct 17
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 14) and first fall frost (Sep 26) 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 04769 came on Apr 27 — 6 days earlier than the 1991–2020 average (May 3).

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 4a in Maine

387 plants native to the lower 48 states, recorded in Maine, and rated by the USDA to survive −30 °F or colder — the bottom of zone 4a. Each links to its USDA PLANTS profile.

Trees 48

Shrubs 69

Wildflowers & perennials 133

Grasses 125

Vines 4

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 Presque Isle, ME.

Soil in Presque Isle, ME

The soil mapped at the center of ZIP 04769 is Mapleton — silt loam, well drained.

TextureSilt loama good balance for most vegetables
pH6.1slightly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter6%high
Hydrologic groupCwater soaks in slowly
Farmland classprime farmlandUSDA classification

Map unit: Mapleton shaly silt loam, 0 to 8 percent slopes.

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 04769; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Presque Isle, ME

Summer high79 °Faverage high, July
Winter low3 °Faverage low, January
Hot days2days a year at 90 °F or more
Freezing nights176nights a year at 32 °F or less
Growing degree days1,876base 50 °F — the season’s usable heat
Longest day15 h 51 mindaylight on June 21
Shortest day8 h 33 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation38 inper year, rain and melted snow
Snowfall98 inper year; 122 days with snow on the ground

Average high and low, by month

−10°0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 22 °F, low 3 °F 22°3° JanFebruary: average high 26 °F, low 5 °F 26°5° FebMarch: average high 36 °F, low 16 °F 36°16° MarApril: average high 50 °F, low 29 °F 50°29° AprMay: average high 65 °F, low 41 °F 65°41° MayJune: average high 74 °F, low 50 °F 74°50° JunJuly: average high 79 °F, low 56 °F 79°56° JulAugust: average high 77 °F, low 55 °F 77°55° AugSeptember: average high 69 °F, low 47 °F 69°47° SepOctober: average high 55 °F, low 36 °F 55°36° OctNovember: average high 40 °F, low 26 °F 40°26° NovDecember: average high 28 °F, low 13 °F 28°13° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 2.53 in precipitation, 21.1 in snowfall 2.5❄21 JanFebruary: 1.92 in precipitation, 21.7 in snowfall 1.9❄22 FebMarch: 2.35 in precipitation, 19 in snowfall 2.4❄19 MarApril: 2.79 in precipitation, 6.3 in snowfall 2.8❄6 AprMay: 3.29 in precipitation, 0.2 in snowfall 3.3 MayJune: 3.81 in precipitation 3.8 JunJuly: 3.66 in precipitation 3.7 JulAugust: 3.81 in precipitation 3.8 AugSeptember: 3.51 in precipitation, 0.2 in snowfall 3.5 SepOctober: 4.16 in precipitation, 1.2 in snowfall 4.2❄1 OctNovember: 3.06 in precipitation, 6.1 in snowfall 3.1❄6 NovDecember: 3.16 in precipitation, 21.7 in snowfall 3.2❄22 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Presque Isle, ME (2 mi away); precipitation: Presque Isle, ME (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 4a.

Maine planting zones →

Questions about 04769

What planting zone is ZIP code 04769?

ZIP code 04769 (Presque Isle, ME) is in USDA hardiness zone 4a on the 2023 map: the coldest night of an average winter reaches −30 to −25 °F (−34.4 to −31.7 °C).

When is the last frost in Presque Isle, ME?

The median last spring frost (32 °F) near 04769 is May 14; after June 1 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Presque Isle station.

When is the first frost in Presque Isle, ME?

The median first fall frost near 04769 is September 26, giving a median frost-free growing season of 131 days.

When should I plant tomatoes in 04769?

Start tomato seeds indoors around Mar 19 – Apr 2 and set transplants outside around May 21 – Jun 4, one to three weeks after the median last frost.

How much rain and snow does 04769 get?

About 38 inches of precipitation a year and 98 inches of snowfall (NOAA 1991–2020 normals, Presque Isle station).

How hot do summers get in Presque Isle, ME?

The average high peaks at 79 °F in July, with about 2 days a year at 90 °F or more.

What kind of soil does 04769 have?

The USDA soil survey maps Mapleton at the center of ZIP 04769: silt loam, well drained, pH about 6.1 (slightly acidic).

Did spring come early in Presque Isle, ME in 2026?

Spring leaf-out near 04769 came on Apr 27 in 2026, 6 days earlier than the 1991–2020 average (May 3), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Presque Isle, ME?

Long-day onions: the longest day near 04769 is 15 h 51 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).