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

Planting zone for 02575 — West Tisbury, MA

ZIP code 02575 (West Tisbury, Dukes County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is May 7 and the first fall frost October 9.

Where ZIP 02575 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.

Zone7a0 to 5 °F
Coldest night−17.8 to −15 °C
Last frostMay 7
First frostOct 9
2012 zone7a

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 7a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for West Tisbury, MA…

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 West Tisbury, MA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 7median — 50% chance of a later frost
Safe for tender plantsMay 27only 10% chance of frost after
First fall frostOctober 9median — 10% chance by Sep 23
Growing season156 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 26 and returns around October 25.

From the NOAA station Vineyard Haven Airport, MA — 2 miles away, elevation 69 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 02575

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 26 – Apr 9
SpinachSow outdoors · Mar 26 – Apr 16
Broccoli, cabbageStart indoors · Feb 26 – Mar 12
Broccoli, cabbageTransplant · Apr 16 – Apr 30
Onion setsPlant outdoors · Apr 9 – Apr 23
PotatoesPlant outdoors · Apr 16 – Apr 30
LettuceSow outdoors · Apr 9 – Apr 23
Carrots, beetsSow outdoors · Apr 16 – Apr 30
TomatoesStart indoors · Mar 12 – Mar 26
TomatoesTransplant · May 14 – May 28
Peppers, eggplantStart indoors · Feb 26 – Mar 12
Peppers, eggplantTransplant · May 21 – Jun 4
BeansSow outdoors · May 14 – May 28
Sweet cornSow outdoors · May 14 – May 28
Cucumbers, squashSow outdoors · May 14 – May 28
Fall lettuce, spinachSow outdoors · Aug 14 – Aug 28
GarlicPlant cloves · Sep 25 – Oct 30
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 7) and first fall frost (Oct 9) 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 02575 came on Apr 4 — about the same time as the 1991–2020 average (Apr 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 7a in Massachusetts

561 plants native to the lower 48 states, recorded in Massachusetts, and rated by the USDA to survive 0 °F or colder — the bottom of zone 7a. Each links to its USDA PLANTS profile.

Trees 67

Shrubs 110

Wildflowers & perennials 192

Grasses 165

Vines 9

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 West Tisbury, MA.

Soil in West Tisbury, MA

The soil mapped at the center of ZIP 02575 is Haven — very fine sandy loam, well drained.

TextureVery fine sandy loamdrains and warms fast; dries out and needs more feeding
pH5.3strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter4%moderate
Hydrologic groupBwater soaks in moderately
Farmland classprime farmlandUSDA classification

Map unit: Haven very fine sandy loam, 0 to 3 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 02575; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in West Tisbury, MA

Summer high79 °Faverage high, July
Winter low23 °Faverage low, January
Hot days2days a year at 90 °F or more
Freezing nights115nights a year at 32 °F or less
Growing degree days2,441base 50 °F — the season’s usable heat
Longest day15 h 10 mindaylight on June 21
Shortest day9 h 11 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation42.1 inper year, rain and melted snow

Average high and low, by month

10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 39 °F, low 23 °F 39°23° JanFebruary: average high 40 °F, low 23 °F 40°23° FebMarch: average high 46 °F, low 29 °F 46°29° MarApril: average high 55 °F, low 36 °F 55°36° AprMay: average high 65 °F, low 46 °F 65°46° MayJune: average high 73 °F, low 55 °F 73°55° JunJuly: average high 79 °F, low 61 °F 79°61° JulAugust: average high 79 °F, low 60 °F 79°60° AugSeptember: average high 73 °F, low 52 °F 73°52° SepOctober: average high 63 °F, low 43 °F 63°43° OctNovember: average high 54 °F, low 36 °F 54°36° NovDecember: average high 45 °F, low 29 °F 45°29° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 3.31 in precipitation 3.3 JanFebruary: 2.63 in precipitation 2.6 FebMarch: 3.95 in precipitation 4.0 MarApril: 3.67 in precipitation 3.7 AprMay: 3.26 in precipitation 3.3 MayJune: 3.17 in precipitation 3.2 JunJuly: 2.80 in precipitation 2.8 JulAugust: 3.40 in precipitation 3.4 AugSeptember: 3.79 in precipitation 3.8 SepOctober: 4.37 in precipitation 4.4 OctNovember: 3.96 in precipitation 4.0 NovDecember: 3.83 in precipitation 3.8 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Vineyard Haven Airport, MA (2 mi away); precipitation: Vineyard Haven Airport, MA (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

Massachusetts planting zones →

Questions about 02575

What planting zone is ZIP code 02575?

ZIP code 02575 (West Tisbury, MA) is in USDA hardiness zone 7a on the 2023 map: the coldest night of an average winter reaches 0 to 5 °F (−17.8 to −15 °C).

When is the last frost in West Tisbury, MA?

The median last spring frost (32 °F) near 02575 is May 7; after May 27 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Vineyard Haven Airport station.

When is the first frost in West Tisbury, MA?

The median first fall frost near 02575 is October 9, giving a median frost-free growing season of 156 days.

When should I plant tomatoes in 02575?

Start tomato seeds indoors around Mar 12 – Mar 26 and set transplants outside around May 14 – May 28, one to three weeks after the median last frost.

How much rain and snow does 02575 get?

About 42.1 inches of precipitation a year (NOAA 1991–2020 normals, Vineyard Haven Airport station).

How hot do summers get in West Tisbury, MA?

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 02575 have?

The USDA soil survey maps Haven at the center of ZIP 02575: very fine sandy loam, well drained, pH about 5.3 (strongly acidic).

Did spring come early in West Tisbury, MA in 2026?

Spring leaf-out near 02575 came on Apr 4 in 2026, about the same as the 1991–2020 average (Apr 3), according to the USA National Phenology Network Spring Index.

What kind of onions grow in West Tisbury, MA?

Long-day onions: the longest day near 02575 is 15 h 10 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).