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

Planting zone for 04936 — Eustis, ME

ZIP code 04936 (Eustis, Franklin County) is in USDA zone 4b: the coldest winter night averages −25 to −20 °F. The median last spring frost is May 24 and the first fall frost September 21.

Where ZIP 04936 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.

Zone4b−25 to −20 °F
Coldest night−31.7 to −28.9 °C
Last frostMay 24
First frostSep 21
2012 zone4a

Was 4a 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 4b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Eustis, 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 Eustis, ME

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 24median — 50% chance of a later frost
Safe for tender plantsJune 6only 10% chance of frost after
First fall frostSeptember 21median — 10% chance by Sep 6
Growing season118 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 10 and returns around October 2.

From the NOAA station Eustis, ME — 14 miles away, elevation 1,260 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 04936

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 12 – Apr 26
SpinachSow outdoors · Apr 12 – May 3
Broccoli, cabbageStart indoors · Mar 15 – Mar 29
Broccoli, cabbageTransplant · May 3 – May 17
Onion setsPlant outdoors · Apr 26 – May 10
PotatoesPlant outdoors · May 3 – May 17
LettuceSow outdoors · Apr 26 – May 10
Carrots, beetsSow outdoors · May 3 – May 17
TomatoesStart indoors · Mar 29 – Apr 12
TomatoesTransplant · May 31 – Jun 14
Peppers, eggplantStart indoors · Mar 15 – Mar 29
Peppers, eggplantTransplant · Jun 7 – Jun 21
BeansSow outdoors · May 31 – Jun 14
Sweet cornSow outdoors · May 31 – Jun 14
Cucumbers, squashSow outdoors · May 31 – Jun 14
Fall lettuce, spinachSow outdoors · Jul 27 – Aug 10
GarlicPlant cloves · Sep 7 – Oct 12
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 24) and first fall frost (Sep 21) 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 04936 came on May 5 — 3 days earlier than the 1991–2020 average (May 8).

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 4b in Maine

451 plants native to the lower 48 states, recorded in Maine, and rated by the USDA to survive −25 °F or colder — the bottom of zone 4b. Each links to its USDA PLANTS profile.

Trees 52

Shrubs 86

Wildflowers & perennials 153

Grasses 144

Vines 5

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 Eustis, ME.

Soil in Eustis, ME

The soil mapped at the center of ZIP 04936 is Colonel — highly decomposed plant material, somewhat poorly drained.

TextureHighly decomposed plant materialtop layer
pH5.0strongly acidic; most vegetables like 6.0–7.0
DrainageSomewhat poorly drainedconsider raised beds
Organic matter85%high
Hydrologic groupDwater soaks in very slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Colonel-Pillsbury-Skerry association, 0 to 8 percent slopes, very stony.

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 04936; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Eustis, ME

Summer high76 °Faverage high, July
Winter low2 °Faverage low, January
Hot days2days a year at 90 °F or more
Freezing nights201nights a year at 32 °F or less
Growing degree days1,416base 50 °F — the season’s usable heat
Longest day15 h 40 mindaylight on June 21
Shortest day8 h 43 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation41.7 inper year, rain and melted snow
Snowfall119 inper year; 154 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 2 °F 22°2° JanFebruary: average high 25 °F, low 3 °F 25°3° FebMarch: average high 34 °F, low 13 °F 34°13° MarApril: average high 47 °F, low 26 °F 47°26° AprMay: average high 62 °F, low 37 °F 62°37° MayJune: average high 71 °F, low 48 °F 71°48° JunJuly: average high 76 °F, low 53 °F 76°53° JulAugust: average high 74 °F, low 50 °F 74°50° AugSeptember: average high 67 °F, low 42 °F 67°42° SepOctober: average high 52 °F, low 33 °F 52°33° OctNovember: average high 39 °F, low 23 °F 39°23° NovDecember: average high 28 °F, low 11 °F 28°11° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 2.55 in precipitation, 22.1 in snowfall 2.5❄22 JanFebruary: 2.43 in precipitation, 26.8 in snowfall 2.4❄27 FebMarch: 2.77 in precipitation, 24.1 in snowfall 2.8❄24 MarApril: 3.36 in precipitation, 8.2 in snowfall 3.4❄8 AprMay: 3.76 in precipitation, 0.1 in snowfall 3.8 MayJune: 4.78 in precipitation 4.8 JunJuly: 4.04 in precipitation 4.0 JulAugust: 3.53 in precipitation 3.5 AugSeptember: 3.37 in precipitation 3.4 SepOctober: 4.30 in precipitation, 2.2 in snowfall 4.3❄2 OctNovember: 3.41 in precipitation, 7.8 in snowfall 3.4❄8 NovDecember: 3.38 in precipitation, 27.2 in snowfall 3.4❄27 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Eustis, ME (14 mi away); precipitation: Eustis, ME (14 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

2 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

Maine planting zones →

Questions about 04936

What planting zone is ZIP code 04936?

ZIP code 04936 (Eustis, ME) is in USDA hardiness zone 4b on the 2023 map: the coldest night of an average winter reaches −25 to −20 °F (−31.7 to −28.9 °C).

When is the last frost in Eustis, ME?

The median last spring frost (32 °F) near 04936 is May 24; after June 6 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Eustis station.

When is the first frost in Eustis, ME?

The median first fall frost near 04936 is September 21, giving a median frost-free growing season of 118 days.

When should I plant tomatoes in 04936?

Start tomato seeds indoors around Mar 29 – Apr 12 and set transplants outside around May 31 – Jun 14, one to three weeks after the median last frost.

How much rain and snow does 04936 get?

About 41.7 inches of precipitation a year and 119 inches of snowfall (NOAA 1991–2020 normals, Eustis station).

How hot do summers get in Eustis, ME?

The average high peaks at 76 °F in July, with about 2 days a year at 90 °F or more.

What kind of soil does 04936 have?

The USDA soil survey maps Colonel at the center of ZIP 04936: highly decomposed plant material, somewhat poorly drained, pH about 5.0 (strongly acidic).

Did spring come early in Eustis, ME in 2026?

Spring leaf-out near 04936 came on May 5 in 2026, 3 days earlier than the 1991–2020 average (May 8), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Eustis, ME?

Long-day onions: the longest day near 04936 is 15 h 40 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 04936 change?

Yes. The 2012 USDA map put 04936 in zone 4a; the 2023 map puts it in zone 4b. The newer map uses 1991–2020 data and more weather stations.