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

Planting zone for 36455 — Lockhart, AL

ZIP code 36455 (Lockhart, Covington County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is March 4 and the first fall frost November 26.

Where ZIP 36455 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.

Zone9a20 to 25 °F
Coldest night−6.7 to −3.9 °C
Last frostMar 4
First frostNov 26
2012 zone8a

Was 8a on the 2012 map — a full zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 9a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Lockhart, AL…

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 Lockhart, AL

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 4median — 50% chance of a later frost
Safe for tender plantsMarch 22only 10% chance of frost after
First fall frostNovember 26median — 10% chance by Nov 7
Growing season265 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 15 and returns around December 13.

From the NOAA station Florala Municipal Airport, AL — 3 miles away, elevation 315 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 36455

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Jan 21 – Feb 4
SpinachSow outdoors · Jan 21 – Feb 11
Broccoli, cabbageStart indoors · Dec 24 – Jan 7
Broccoli, cabbageTransplant · Feb 11 – Feb 25
Onion setsPlant outdoors · Feb 4 – Feb 18
PotatoesPlant outdoors · Feb 11 – Feb 25
LettuceSow outdoors · Feb 4 – Feb 18
Carrots, beetsSow outdoors · Feb 11 – Feb 25
TomatoesStart indoors · Jan 7 – Jan 21
TomatoesTransplant · Mar 11 – Mar 25
Peppers, eggplantStart indoors · Dec 24 – Jan 7
Peppers, eggplantTransplant · Mar 18 – Apr 1
BeansSow outdoors · Mar 11 – Mar 25
Sweet cornSow outdoors · Mar 11 – Mar 25
Cucumbers, squashSow outdoors · Mar 11 – Mar 25
Fall lettuce, spinachSow outdoors · Oct 1 – Oct 15
GarlicPlant cloves · Nov 12 – Dec 17
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 4) and first fall frost (Nov 26) 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 36455 came on Jan 27 — about the same time as the 1991–2020 average (Jan 29).

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 9a in Alabama

582 plants native to the lower 48 states, recorded in Alabama, and rated by the USDA to survive 20 °F or colder — the bottom of zone 9a. Each links to its USDA PLANTS profile.

Trees 84

Shrubs 133

Wildflowers & perennials 178

Grasses 162

Vines 13

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 Lockhart, AL.

Soil in Lockhart, AL

The soil mapped at the center of ZIP 36455 is Dothan — fine sandy loam, well drained.

TextureFine sandy loamdrains and warms fast; dries out and needs more feeding
pH5.3strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter0.75%low — add compost
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Dothan-Urban land complex, 0 to 8 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 36455; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Lockhart, AL

Summer high92 °Faverage high, July
Winter low41 °Faverage low, January
Hot days97days a year at 90 °F or more
Freezing nights21nights a year at 32 °F or less
Growing degree days6,728base 50 °F — the season’s usable heat
Longest day14 h 10 mindaylight on June 21
Shortest day10 h 08 mindaylight on December 21
Onions to growShort-daysummer days stay under about 14 h 20 min, so long-day varieties won’t bulb
Precipitation59.8 inper year, rain and melted snow

Average high and low, by month

30°40°50°60°70°80°90°100°32 °FJanuary: average high 62 °F, low 41 °F 62°41° JanFebruary: average high 66 °F, low 43 °F 66°43° FebMarch: average high 73 °F, low 49 °F 73°49° MarApril: average high 79 °F, low 55 °F 79°55° AprMay: average high 87 °F, low 63 °F 87°63° MayJune: average high 90 °F, low 70 °F 90°70° JunJuly: average high 92 °F, low 72 °F 92°72° JulAugust: average high 92 °F, low 72 °F 92°72° AugSeptember: average high 89 °F, low 68 °F 89°68° SepOctober: average high 80 °F, low 57 °F 80°57° OctNovember: average high 71 °F, low 47 °F 71°47° NovDecember: average high 64 °F, low 42 °F 64°42° Dec

Precipitation by month inches

0″2″4″6″January: 5.28 in precipitation 5.3 JanFebruary: 5.00 in precipitation 5.0 FebMarch: 5.28 in precipitation 5.3 MarApril: 5.00 in precipitation 5.0 AprMay: 3.78 in precipitation 3.8 MayJune: 6.01 in precipitation 6.0 JunJuly: 6.35 in precipitation 6.3 JulAugust: 5.17 in precipitation 5.2 AugSeptember: 5.18 in precipitation 5.2 SepOctober: 3.61 in precipitation 3.6 OctNovember: 4.31 in precipitation 4.3 NovDecember: 4.85 in precipitation 4.8 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Florala Municipal Airport, AL (3 mi away); precipitation: Florala Municipal Airport, AL (3 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

Alabama planting zones →

Questions about 36455

What planting zone is ZIP code 36455?

ZIP code 36455 (Lockhart, AL) is in USDA hardiness zone 9a on the 2023 map: the coldest night of an average winter reaches 20 to 25 °F (−6.7 to −3.9 °C).

When is the last frost in Lockhart, AL?

The median last spring frost (32 °F) near 36455 is March 4; after March 22 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Florala Municipal Airport station.

When is the first frost in Lockhart, AL?

The median first fall frost near 36455 is November 26, giving a median frost-free growing season of 265 days.

When should I plant tomatoes in 36455?

Start tomato seeds indoors around Jan 7 – Jan 21 and set transplants outside around Mar 11 – Mar 25, one to three weeks after the median last frost.

How much rain and snow does 36455 get?

About 59.8 inches of precipitation a year (NOAA 1991–2020 normals, Florala Municipal Airport station).

How hot do summers get in Lockhart, AL?

The average high peaks at 92 °F in July, with about 97 days a year at 90 °F or more.

What kind of soil does 36455 have?

The USDA soil survey maps Dothan at the center of ZIP 36455: fine sandy loam, well drained, pH about 5.3 (strongly acidic).

Did spring come early in Lockhart, AL in 2026?

Spring leaf-out near 36455 came on Jan 27 in 2026, about the same as the 1991–2020 average (Jan 29), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Lockhart, AL?

Short-day onions: the longest day near 36455 is 14 h 10 min, so summer days stay under about 14 h 20 min, so long-day varieties won’t bulb.

Did the zone for 36455 change?

Yes. The 2012 USDA map put 36455 in zone 8a; the 2023 map puts it in zone 9a. The newer map uses 1991–2020 data and more weather stations.