Planting zone for 12504 — Annandale On Hudson, NY
ZIP code 12504 (Annandale On Hudson, Dutchess County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is May 14 and the first fall frost September 28.
Where ZIP 12504 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.
Was 5b 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 6a means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Annandale On Hudson, 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 Annandale On Hudson, NY
A hard freeze (28 °F) usually ends around May 2 and returns around October 7.
From the NOAA station Rhinebeck 4se, NY — 10 miles away, elevation 302 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 12504
Counted from the median last spring frost (May 14) and first fall frost (Sep 28) 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 12504 came on Apr 2 — 4 days earlier than the 1991–2020 average (Apr 6).
Apr 62026
Apr 2
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 6a in New York
635 plants native to the lower 48 states, recorded in New York, and rated by the USDA to survive −10 °F or colder — the bottom of zone 6a. Each links to its USDA PLANTS profile.
Trees 77
Shrubs 129
Wildflowers & perennials 215
Grasses 189
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 Annandale On Hudson, NY.
Soil in Annandale On Hudson, NY
The soil mapped at the center of ZIP 12504 is Dutchess — silt loam, well drained.
Map unit: Dutchess-Cardigan complex, undulating, rocky.
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 12504; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Annandale On Hudson, NY
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Rhinebeck 4se, NY (10 mi away); precipitation: Rhinebeck 4se, NY (10 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
All 8 nearest ZIP codes share zone 6a.
Questions about 12504
What planting zone is ZIP code 12504?
ZIP code 12504 (Annandale On Hudson, NY) is in USDA hardiness zone 6a on the 2023 map: the coldest night of an average winter reaches −10 to −5 °F (−23.3 to −20.6 °C).
When is the last frost in Annandale On Hudson, NY?
The median last spring frost (32 °F) near 12504 is May 14; after June 1 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Rhinebeck 4se station.
When is the first frost in Annandale On Hudson, NY?
The median first fall frost near 12504 is September 28, giving a median frost-free growing season of 134 days.
When should I plant tomatoes in 12504?
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 12504 get?
About 50.7 inches of precipitation a year (NOAA 1991–2020 normals, Rhinebeck 4se station).
How hot do summers get in Annandale On Hudson, NY?
The average high peaks at 86 °F in July, with about 20 days a year at 90 °F or more.
What kind of soil does 12504 have?
The USDA soil survey maps Dutchess at the center of ZIP 12504: silt loam, well drained, pH about 5.3 (strongly acidic).
Did spring come early in Annandale On Hudson, NY in 2026?
Spring leaf-out near 12504 came on Apr 2 in 2026, 4 days earlier than the 1991–2020 average (Apr 6), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Annandale On Hudson, NY?
Long-day onions: the longest day near 12504 is 15 h 15 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).
Did the zone for 12504 change?
Yes. The 2012 USDA map put 12504 in zone 5b; the 2023 map puts it in zone 6a. The newer map uses 1991–2020 data and more weather stations.