Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for 23866 — Ivor, VA

ZIP code 23866 (Ivor, Southampton County) is in USDA zone 7b: the coldest winter night averages 5 to 10 °F. The median last spring frost is April 6 and the first fall frost November 1.

Where ZIP 23866 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not 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.

Zone7b5 to 10 °F
Coldest night−15 to −12.2 °C
Last frostApr 6
First frostNov 1
2012 zone7b

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 7b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Ivor, 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 Ivor, VA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 6median — 50% chance of a later frost
Safe for tender plantsApril 22only 10% chance of frost after
First fall frostNovember 1median — 10% chance by Oct 21
Growing season210 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 26 and returns around November 14.

From the NOAA station Norfolk Rich, VA — 9 miles away, elevation 112 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 23866

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 23 – Mar 9
SpinachSow outdoors · Feb 23 – Mar 16
Broccoli, cabbageStart indoors · Jan 26 – Feb 9
Broccoli, cabbageTransplant · Mar 16 – Mar 30
Onion setsPlant outdoors · Mar 9 – Mar 23
PotatoesPlant outdoors · Mar 16 – Mar 30
LettuceSow outdoors · Mar 9 – Mar 23
Carrots, beetsSow outdoors · Mar 16 – Mar 30
TomatoesStart indoors · Feb 9 – Feb 23
TomatoesTransplant · Apr 13 – Apr 27
Peppers, eggplantStart indoors · Jan 26 – Feb 9
Peppers, eggplantTransplant · Apr 20 – May 4
BeansSow outdoors · Apr 13 – Apr 27
Sweet cornSow outdoors · Apr 13 – Apr 27
Cucumbers, squashSow outdoors · Apr 13 – Apr 27
Fall lettuce, spinachSow outdoors · Sep 6 – Sep 20
GarlicPlant cloves · Oct 18 – Nov 22
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 6) and first fall frost (Nov 1) 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 23866 came on Mar 2 — 8 days later than the 1991–2020 average (Feb 22).

JanFebMarAprMayJun

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 7b in Virginia

629 plants native to the lower 48 states, recorded in Virginia, and rated by the USDA to survive 5 °F or colder — the bottom of zone 7b. Each links to its USDA PLANTS profile.

Trees 89

American basswood100 ft · blooms late spring · low shade tolerance · to −46 °FAmerican beech80 ft · blooms mid spring · low shade tolerance · to −44 °FAmerican chestnut115 ft · blooms early summer · high shade tolerance · to −33 °FAmerican elm120 ft · blooms early spring · medium shade tolerance · to −46 °FAmerican sycamore100 ft · blooms spring · medium shade tolerance · to −34 °Farborvitae50 ft · blooms mid spring · medium shade tolerance · to −33 °F

Shrubs 133

alderleaf buckthorn3 ft · blooms late spring · low shade tolerance · to −33 °FAllegheny serviceberry35 ft · blooms early spring · low shade tolerance · to −38 °Falternateleaf dogwood25 ft · blooms mid spring · low shade tolerance · to −47 °FAmerican beautyberry6 ft · blooms early summer · medium shade tolerance · to −8 °FAmerican black currant3 ft · blooms early spring · to −46 °FAmerican hazelnut10 ft · blooms spring · medium shade tolerance · to −33 °F

Wildflowers & perennials 200

American bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °FAmerican licorice4 ft · blooms late spring · medium shade tolerance · to −38 °FAmerican lotus3 ft · blooms mid summer · high shade tolerance · to −36 °FAmerican pokeweed7 ft · blooms mid summer · low shade tolerance · to −33 °FAmerican speedwell0.8 ft · blooms mid summer · low shade tolerance · to −38 °F

Grasses 181

American beachgrass2.5 ft · blooms spring · high shade tolerance · to −28 °FAmerican cupscale3 ft · blooms early summer · high shade tolerance · to −18 °Farctic brome3 ft · blooms early summer · low shade tolerance · to −33 °FAtlantic mannagrass3 ft · blooms summer · low shade tolerance · to −8 °Fautumn bluegrass1.5 ft · blooms late spring · medium shade tolerance · to −8 °Fawlfruit sedge4 ft · blooms mid spring · low shade tolerance · to −38 °F

Vines 12

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °FAmerican wisteria50 ft · blooms spring · low shade tolerance · to −3 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °Ffrost grape83 ft · blooms late spring · medium shade tolerance · to −23 °Fgraybark grape50 ft · blooms late spring · medium shade tolerance · to −8 °Fheartleaf peppervine2 ft · blooms late spring · low shade tolerance · to −8 °F

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 Ivor, VA.

Soil in Ivor, VA

The soil mapped at the center of ZIP 23866 is Slagle — fine sandy loam, moderately well drained.

TextureFine sandy loamdrains and warms fast; dries out and needs more feeding
pH6.8neutral; most vegetables like 6.0–7.0
DrainageModerately well drainednatural drainage class
Organic matter1.25%low — add compost
Hydrologic groupCwater soaks in slowly
Farmland classprime farmlandUSDA classification

Map unit: Slagle fine 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 23866; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Ivor, VA

Summer high90 °Faverage high, July
Winter low30 °Faverage low, January
Hot days42days a year at 90 °F or more
Freezing nights79nights a year at 32 °F or less
Growing degree days4,647base 50 °F — the season’s usable heat
Longest day14 h 42 mindaylight on June 21
Shortest day9 h 37 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation51.7 inper year, rain and melted snow

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 50 °F, low 30 °F 50°30° JanFebruary: average high 53 °F, low 31 °F 53°31° FebMarch: average high 61 °F, low 37 °F 61°37° MarApril: average high 71 °F, low 46 °F 71°46° AprMay: average high 78 °F, low 56 °F 78°56° MayJune: average high 86 °F, low 64 °F 86°64° JunJuly: average high 90 °F, low 69 °F 90°69° JulAugust: average high 88 °F, low 67 °F 88°67° AugSeptember: average high 82 °F, low 61 °F 82°61° SepOctober: average high 72 °F, low 49 °F 72°49° OctNovember: average high 62 °F, low 39 °F 62°39° NovDecember: average high 54 °F, low 33 °F 54°33° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 3.64 in precipitation 3.6 JanFebruary: 3.11 in precipitation 3.1 FebMarch: 4.00 in precipitation 4.0 MarApril: 4.11 in precipitation 4.1 AprMay: 4.10 in precipitation 4.1 MayJune: 4.99 in precipitation 5.0 JunJuly: 5.80 in precipitation 5.8 JulAugust: 5.42 in precipitation 5.4 AugSeptember: 5.76 in precipitation 5.8 SepOctober: 4.01 in precipitation 4.0 OctNovember: 3.29 in precipitation 3.3 NovDecember: 3.51 in precipitation 3.5 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Norfolk Rich, VA (9 mi away); precipitation: Wakefield 0.1 Ene, VA (7 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

5 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

238988a
Zuni, VA · 6 mi
238887b
Wakefield, VA · 7 mi
234878a
Windsor, VA · 9 mi
233978a
Isle Of Wight, VA · 10 mi
234318a
Smithfield, VA · 10 mi
238468a
Elberon, VA · 10 mi
238787b
Sedley, VA · 11 mi
238397b
Dendron, VA · 12 mi

Virginia planting zones →

Questions about 23866

What planting zone is ZIP code 23866?

ZIP code 23866 (Ivor, VA) is in USDA hardiness zone 7b on the 2023 map: the coldest night of an average winter reaches 5 to 10 °F (−15 to −12.2 °C).

When is the last frost in Ivor, VA?

The median last spring frost (32 °F) near 23866 is April 6; after April 22 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Norfolk Rich station.

When is the first frost in Ivor, VA?

The median first fall frost near 23866 is November 1, giving a median frost-free growing season of 210 days.

When should I plant tomatoes in 23866?

Start tomato seeds indoors around Feb 9 – Feb 23 and set transplants outside around Apr 13 – Apr 27, one to three weeks after the median last frost.

How much rain and snow does 23866 get?

About 51.7 inches of precipitation a year (NOAA 1991–2020 normals, Wakefield 0.1 Ene station).

How hot do summers get in Ivor, VA?

The average high peaks at 90 °F in July, with about 42 days a year at 90 °F or more.

What kind of soil does 23866 have?

The USDA soil survey maps Slagle at the center of ZIP 23866: fine sandy loam, moderately well drained, pH about 6.8 (neutral).

Did spring come early in Ivor, VA in 2026?

Spring leaf-out near 23866 came on Mar 2 in 2026, 8 days later than the 1991–2020 average (Feb 22), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Ivor, VA?

Intermediate onions: the longest day near 23866 is 14 h 42 min, so day-neutral types bulb best; long-day varieties may not bulb fully.