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

Planting zone for Suffolk, VA

Suffolk, VA is in USDA zones 8a to 8b across its 8 ZIP codes. The median last spring frost is March 27 and the first fall frost November 15.

Suffolk on the zone map

Outlined: its 7 ZIP code areas · 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.

Zones8a–8b10 to 20 °F
ZIP codes8
Last frostMar 27
First frostNov 15
Growing season233 days

8a 6 ZIPs   8b 2 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Suffolk, 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 Suffolk, VA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 27median — 50% chance of a later frost
Safe for tender plantsApril 9only 10% chance of frost after
First fall frostNovember 15median — 10% chance by Nov 2
Growing season233 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 15 and returns around December 1.

From the NOAA station Suffolk Lake Kilby, VA, elevation 23 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 Suffolk

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 13 – Feb 27
SpinachSow outdoors · Feb 13 – Mar 6
Broccoli, cabbageStart indoors · Jan 16 – Jan 30
Broccoli, cabbageTransplant · Mar 6 – Mar 20
Onion setsPlant outdoors · Feb 27 – Mar 13
PotatoesPlant outdoors · Mar 6 – Mar 20
LettuceSow outdoors · Feb 27 – Mar 13
Carrots, beetsSow outdoors · Mar 6 – Mar 20
TomatoesStart indoors · Jan 30 – Feb 13
TomatoesTransplant · Apr 3 – Apr 17
Peppers, eggplantStart indoors · Jan 16 – Jan 30
Peppers, eggplantTransplant · Apr 10 – Apr 24
BeansSow outdoors · Apr 3 – Apr 17
Sweet cornSow outdoors · Apr 3 – Apr 17
Cucumbers, squashSow outdoors · Apr 3 – Apr 17
Fall lettuce, spinachSow outdoors · Sep 20 – Oct 4
GarlicPlant cloves · Nov 1 – Dec 6
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 27) and first fall frost (Nov 15) 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 23439 came on Mar 1 — 10 days later than the 1991–2020 average (Feb 19).

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 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

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 138

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 203

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 187

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 Suffolk, VA.

Soil in Suffolk, VA

The soil mapped at the center of ZIP 23439 is Kenansville — loamy sand, well drained.

TextureLoamy sanddrains and warms fast; dries out and needs more feeding
pH5.3strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter1.25%low — add compost
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Kenansville loamy sand, 0 to 4 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 23439; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Suffolk, VA

Summer high87 °Faverage high, July
Winter low31 °Faverage low, January
Hot days27days a year at 90 °F or more
Freezing nights56nights a year at 32 °F or less
Growing degree days4,525base 50 °F — the season’s usable heat
Longest day14 h 41 mindaylight on June 21
Shortest day9 h 38 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation51.8 inper year, rain and melted snow
Snowfall6 inper year; 3 days with snow on the ground

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 49 °F, low 31 °F 49°31° JanFebruary: average high 52 °F, low 33 °F 52°33° FebMarch: average high 59 °F, low 39 °F 59°39° MarApril: average high 69 °F, low 48 °F 69°48° AprMay: average high 76 °F, low 57 °F 76°57° MayJune: average high 83 °F, low 65 °F 83°65° JunJuly: average high 87 °F, low 70 °F 87°70° JulAugust: average high 85 °F, low 69 °F 85°69° AugSeptember: average high 80 °F, low 63 °F 80°63° SepOctober: average high 71 °F, low 52 °F 71°52° OctNovember: average high 61 °F, low 41 °F 61°41° NovDecember: average high 53 °F, low 35 °F 53°35° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″6″January: 3.66 in precipitation, 3.1 in snowfall 3.7❄3 JanFebruary: 2.96 in precipitation, 1.5 in snowfall 3.0❄2 FebMarch: 4.07 in precipitation, 0.3 in snowfall 4.1 MarApril: 3.62 in precipitation 3.6 AprMay: 3.95 in precipitation 4.0 MayJune: 4.70 in precipitation 4.7 JunJuly: 5.69 in precipitation 5.7 JulAugust: 5.77 in precipitation 5.8 AugSeptember: 5.80 in precipitation 5.8 SepOctober: 4.26 in precipitation 4.3 OctNovember: 3.65 in precipitation 3.6 NovDecember: 3.69 in precipitation, 0.9 in snowfall 3.7❄1 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Suffolk Lake Kilby, VA (4 mi away); precipitation: Suffolk Lake Kilby, VA (4 mi away). Daylight is calculated from latitude.

ZIP codes in Suffolk

234328a
10 to 15 °F
234338b
15 to 20 °F
234348a
10 to 15 °F
234358a
10 to 15 °F
234368b
15 to 20 °F
234378a
10 to 15 °F
234388a
10 to 15 °F
234398a
10 to 15 °F

Virginia planting zones →

Questions about Suffolk

What planting zone is Suffolk, VA?

Suffolk, VA is in USDA hardiness zones 8a to 8b on the 2023 map (8a: 10 to 15 °F; 8b: 15 to 20 °F).

When is the last frost in Suffolk, VA?

The median last spring frost is March 27 and the median first fall frost is November 15 (NOAA 1991–2020 normals, Suffolk Lake Kilby station).

When can I plant a garden in Suffolk, VA?

Cool-season crops like peas and spinach go in around Feb 13 – Mar 6; tomatoes, peppers, beans and squash after about Apr 3, once frost risk has passed.

What kind of onions grow in Suffolk, VA?

Intermediate onions: the longest day is 14 h 41 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

How much rain and snow does Suffolk, VA get?

About 51.8 inches of precipitation a year and 6 inches of snowfall (NOAA 1991–2020 normals).