Planting zone for 23501 — Norfolk, VA
ZIP code 23501 (Norfolk, Norfolk (city)) is in USDA zone 8b: the coldest winter night averages 15 to 20 °F. The median last spring frost is March 17 and the first fall frost November 23.
Where ZIP 23501 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.
Was 8a 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 8b means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Norfolk, 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 Norfolk, VA
A hard freeze (28 °F) usually ends around March 4 and returns around December 8.
From the NOAA station Norfolk Intl Airport, VA — within 1 mile, elevation 30 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 23501
Counted from the median last spring frost (Mar 17) and first fall frost (Nov 23) 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 23501 came on Mar 1 — 13 days later than the 1991–2020 average (Feb 16).
Feb 162026
Mar 1
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 8b in Virginia
655 plants native to the lower 48 states, recorded in Virginia, and rated by the USDA to survive 15 °F or colder — the bottom of zone 8b. Each links to its USDA PLANTS profile.
Trees 92
Shrubs 139
Wildflowers & perennials 207
Grasses 191
Vines 12
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 Norfolk, VA.
Soil in Norfolk, VA
The center of ZIP 23501 is mapped as Udorthents-Dumps complex: built-over ground without natural soil data. Garden soil here is usually imported or disturbed — test before you plant.
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 23501; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Norfolk, VA
Average high and low, by month
Precipitation by month inches · ❄ = snowfall
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Norfolk Intl Airport, VA (within 1 mile); precipitation: Norfolk Intl Airport, VA (within 1 mile). Daylight is calculated from latitude.
Nearby ZIP codes
All 8 nearest ZIP codes share zone 8b.
Questions about 23501
What planting zone is ZIP code 23501?
ZIP code 23501 (Norfolk, VA) is in USDA hardiness zone 8b on the 2023 map: the coldest night of an average winter reaches 15 to 20 °F (−9.4 to −6.7 °C).
When is the last frost in Norfolk, VA?
The median last spring frost (32 °F) near 23501 is March 17; after March 31 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Norfolk Intl Airport station.
When is the first frost in Norfolk, VA?
The median first fall frost near 23501 is November 23, giving a median frost-free growing season of 252 days.
When should I plant tomatoes in 23501?
Start tomato seeds indoors around Jan 20 – Feb 3 and set transplants outside around Mar 24 – Apr 7, one to three weeks after the median last frost.
How much rain and snow does 23501 get?
About 49.2 inches of precipitation a year and 6 inches of snowfall (NOAA 1991–2020 normals, Norfolk Intl Airport station).
How hot do summers get in Norfolk, VA?
The average high peaks at 89 °F in July, with about 36 days a year at 90 °F or more.
Did spring come early in Norfolk, VA in 2026?
Spring leaf-out near 23501 came on Mar 1 in 2026, 13 days later than the 1991–2020 average (Feb 16), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Norfolk, VA?
Intermediate onions: the longest day near 23501 is 14 h 42 min, so day-neutral types bulb best; long-day varieties may not bulb fully.
Did the zone for 23501 change?
Yes. The 2012 USDA map put 23501 in zone 8a; the 2023 map puts it in zone 8b. The newer map uses 1991–2020 data and more weather stations.