Planting zone for 01923 — Danvers, MA
ZIP code 01923 (Danvers, Essex 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 17.
Where ZIP 01923 is
Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoomNot 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.
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 6b means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Danvers, 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 Danvers, MA
A hard freeze (28 °F) usually ends around April 9 and returns around November 1.
From the NOAA station Beverly Municipal Airport, MA — 2 miles away, elevation 108 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 01923
Counted from the median last spring frost (Apr 24) and first fall frost (Oct 17) 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 01923 came on Apr 6 — about the same time as the 1991–2020 average (Apr 8).
Apr 82026
Apr 6
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 Massachusetts
548 plants native to the lower 48 states, recorded in Massachusetts, and rated by the USDA to survive −5 °F or colder — the bottom of zone 6b. Each links to its USDA PLANTS profile.
Trees 66
Shrubs 109
Wildflowers & perennials 188
Grasses 159
Vines 8
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 Danvers, MA.
Soil in Danvers, MA
The soil mapped at the center of ZIP 01923 is Hinckley — moderately decomposed plant material, excessively drained.
Map unit: Hinckley loamy sand, 8 to 15 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 01923; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Danvers, MA
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Beverly Municipal Airport, MA (2 mi away); precipitation: Danvers 0.8 Ese, MA (within 1 mile). Daylight is calculated from latitude.
Nearby ZIP codes
1 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.
Questions about 01923
What planting zone is ZIP code 01923?
ZIP code 01923 (Danvers, MA) 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 Danvers, MA?
The median last spring frost (32 °F) near 01923 is April 24; after May 6 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Beverly Municipal Airport station.
When is the first frost in Danvers, MA?
The median first fall frost near 01923 is October 17, giving a median frost-free growing season of 177 days.
When should I plant tomatoes in 01923?
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 01923 get?
About 49.1 inches of precipitation a year (NOAA 1991–2020 normals, Danvers 0.8 Ese station).
How hot do summers get in Danvers, MA?
The average high peaks at 82 °F in July, with about 10 days a year at 90 °F or more.
What kind of soil does 01923 have?
The USDA soil survey maps Hinckley at the center of ZIP 01923: moderately decomposed plant material, excessively drained.
Did spring come early in Danvers, MA in 2026?
Spring leaf-out near 01923 came on Apr 6 in 2026, about the same as the 1991–2020 average (Apr 8), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Danvers, MA?
Long-day onions: the longest day near 01923 is 15 h 19 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).