Planting zone for 23326 — Chesapeake, VA
ZIP code 23326 (Chesapeake, Chesapeake (city)) is in USDA zone 8a: the coldest winter night averages 10 to 15 °F. The median last spring frost is March 23 and the first fall frost November 16.
Where ZIP 23326 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 Chesapeake, 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 Chesapeake, VA
A hard freeze (28 °F) usually ends around March 10 and returns around December 1.
From the NOAA station Norfolk S, VA — 6 miles away, elevation 10 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 23326
Counted from the median last spring frost (Mar 23) and first fall frost (Nov 16) 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 23326 came on Feb 26 — 10 days later than the 1991–2020 average (Feb 16).
Feb 162026
Feb 26
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 8a in Virginia
646 plants native to the lower 48 states, recorded in Virginia, and rated by the USDA to survive 10 °F or colder — the bottom of zone 8a. Each links to its USDA PLANTS profile.
Trees 92
Shrubs 138
Wildflowers & perennials 203
Grasses 187
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 Chesapeake, VA.
Soil in Chesapeake, VA
The soil mapped at the center of ZIP 23326 is Aquents, poorly drained. Much of the area is built over (urban land); this is the natural soil underneath.
Map unit: Urban land, 0 to 5 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 23326; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Chesapeake, VA
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Norfolk S, VA (6 mi away); precipitation: Portsmouth 4.1 Sse, VA (5 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
2 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.
Questions about 23326
What planting zone is ZIP code 23326?
ZIP code 23326 (Chesapeake, 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 Chesapeake, VA?
The median last spring frost (32 °F) near 23326 is March 23; after April 6 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Norfolk S station.
When is the first frost in Chesapeake, VA?
The median first fall frost near 23326 is November 16, giving a median frost-free growing season of 239 days.
When should I plant tomatoes in 23326?
Start tomato seeds indoors around Jan 26 – Feb 9 and set transplants outside around Mar 30 – Apr 13, one to three weeks after the median last frost.
How much rain and snow does 23326 get?
About 54 inches of precipitation a year (NOAA 1991–2020 normals, Portsmouth 4.1 Sse station).
How hot do summers get in Chesapeake, VA?
The average high peaks at 88 °F in July, with about 35 days a year at 90 °F or more.
Did spring come early in Chesapeake, VA in 2026?
Spring leaf-out near 23326 came on Feb 26 in 2026, 10 days later than the 1991–2020 average (Feb 16), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Chesapeake, VA?
Intermediate onions: the longest day near 23326 is 14 h 41 min, so day-neutral types bulb best; long-day varieties may not bulb fully.