Planting zone for 23396 — Oak Hall, VA
ZIP code 23396 (Oak Hall, Accomack County) is in USDA zone 8a: the coldest winter night averages 10 to 15 °F. The median last spring frost is March 31 and the first fall frost November 11.
Where ZIP 23396 is
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 8a means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Oak Hall, VA…
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 Oak Hall, VA
A hard freeze (28 °F) usually ends around March 20 and returns around November 24.
From the NOAA station Wallops Island Flight Fac, VA — 5 miles away, elevation 39 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 23396
Counted from the median last spring frost (Mar 31) and first fall frost (Nov 11) 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 23396 came on Mar 9 — 6 days later than the 1991–2020 average (Mar 3).
Mar 32026
Mar 9
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).
Soil in Oak Hall, VA
The soil mapped at the center of ZIP 23396 is Nimmo — sandy loam, poorly drained.
Map unit: Nimmo sandy loam, 0 to 2 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 23396; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Oak Hall, VA
Average high and low, by month
Precipitation by month inches · ❄ = snowfall
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Wallops Island Flight Fac, VA (5 mi away); precipitation: Wallops Island Flight Fac, VA (5 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
All 8 nearest ZIP codes share zone 8a.
Questions about 23396
What planting zone is ZIP code 23396?
ZIP code 23396 (Oak Hall, VA) is in USDA hardiness zone 8a on the 2023 map: the coldest night of an average winter reaches 10 to 15 °F (−12.2 to −9.4 °C).
When is the last frost in Oak Hall, VA?
The median last spring frost (32 °F) near 23396 is March 31; after April 13 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Wallops Island Flight Fac station.
When is the first frost in Oak Hall, VA?
The median first fall frost near 23396 is November 11, giving a median frost-free growing season of 225 days.
When should I plant tomatoes in 23396?
Start tomato seeds indoors around Feb 3 – Feb 17 and set transplants outside around Apr 7 – Apr 21, one to three weeks after the median last frost.
How much rain and snow does 23396 get?
About 43.3 inches of precipitation a year and 8 inches of snowfall (NOAA 1991–2020 normals, Wallops Island Flight Fac station).
How hot do summers get in Oak Hall, VA?
The average high peaks at 86 °F in July, with about 19 days a year at 90 °F or more.
What kind of soil does 23396 have?
The USDA soil survey maps Nimmo at the center of ZIP 23396: sandy loam, poorly drained, pH about 4.6 (strongly acidic).
Did spring come early in Oak Hall, VA in 2026?
Spring leaf-out near 23396 came on Mar 9 in 2026, 6 days later than the 1991–2020 average (Mar 3), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Oak Hall, VA?
Intermediate onions: the longest day near 23396 is 14 h 48 min, so day-neutral types bulb best; long-day varieties may not bulb fully.