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

Planting zone for 35649 — Mooresville, AL

ZIP code 35649 (Mooresville, Limestone County) is in USDA zone 8a: the coldest winter night averages 10 to 15 °F. The median last spring frost is March 31 and the first fall frost November 1.

Where ZIP 35649 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.

Zone8a10 to 15 °F
Coldest night−12.2 to −9.4 °C
Last frostMar 31
First frostNov 1
2012 zone7b

Was 7b 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 8a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Mooresville, 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 Mooresville, AL

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 31median — 50% chance of a later frost
Safe for tender plantsApril 16only 10% chance of frost after
First fall frostNovember 1median — 10% chance by Oct 19
Growing season214 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 18 and returns around November 10.

From the NOAA station Belle Mina 2 N, AL — 4 miles away, elevation 604 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 35649

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 17 – Mar 3
SpinachSow outdoors · Feb 17 – Mar 10
Broccoli, cabbageStart indoors · Jan 20 – Feb 3
Broccoli, cabbageTransplant · Mar 10 – Mar 24
Onion setsPlant outdoors · Mar 3 – Mar 17
PotatoesPlant outdoors · Mar 10 – Mar 24
LettuceSow outdoors · Mar 3 – Mar 17
Carrots, beetsSow outdoors · Mar 10 – Mar 24
TomatoesStart indoors · Feb 3 – Feb 17
TomatoesTransplant · Apr 7 – Apr 21
Peppers, eggplantStart indoors · Jan 20 – Feb 3
Peppers, eggplantTransplant · Apr 14 – Apr 28
BeansSow outdoors · Apr 7 – Apr 21
Sweet cornSow outdoors · Apr 7 – Apr 21
Cucumbers, squashSow outdoors · Apr 7 – Apr 21
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 (Mar 31) 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 35649 came on Feb 15 — about the same time as the 1991–2020 average (Feb 16).

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).

Soil in Mooresville, AL

The soil mapped at the center of ZIP 35649 is Decatur — silty clay loam, well drained.

TextureSilty clay loamholds water and nutrients; slow to drain and warm up
pH6.5neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter1%low — add compost
Hydrologic groupBwater soaks in moderately
Farmland classprime farmlandUSDA classification

Map unit: Decatur silty clay loam, 2 to 6 percent slopes, eroded.

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 35649; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Mooresville, AL

Summer high89 °Faverage high, July
Winter low30 °Faverage low, January
Hot days61days a year at 90 °F or more
Freezing nights76nights a year at 32 °F or less
Growing degree days4,709base 50 °F — the season’s usable heat
Longest day14 h 29 mindaylight on June 21
Shortest day9 h 50 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation54.5 inper year, rain and melted snow
Snowfall1 inper year; 1 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 30 °F 49°30° JanFebruary: average high 53 °F, low 32 °F 53°32° FebMarch: average high 62 °F, low 39 °F 62°39° MarApril: average high 71 °F, low 47 °F 71°47° AprMay: average high 79 °F, low 57 °F 79°57° MayJune: average high 86 °F, low 65 °F 86°65° JunJuly: average high 89 °F, low 68 °F 89°68° JulAugust: average high 89 °F, low 66 °F 89°66° AugSeptember: average high 84 °F, low 60 °F 84°60° SepOctober: average high 74 °F, low 48 °F 74°48° OctNovember: average high 61 °F, low 38 °F 61°38° NovDecember: average high 52 °F, low 32 °F 52°32° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″6″January: 5.32 in precipitation, 0.2 in snowfall 5.3 JanFebruary: 5.13 in precipitation, 0.5 in snowfall 5.1❄1 FebMarch: 5.08 in precipitation, 0.3 in snowfall 5.1 MarApril: 5.08 in precipitation 5.1 AprMay: 4.55 in precipitation 4.5 MayJune: 4.02 in precipitation 4.0 JunJuly: 4.45 in precipitation 4.5 JulAugust: 3.38 in precipitation 3.4 AugSeptember: 3.90 in precipitation 3.9 SepOctober: 3.50 in precipitation 3.5 OctNovember: 4.18 in precipitation 4.2 NovDecember: 5.92 in precipitation, 0.1 in snowfall 5.9 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Belle Mina 2 N, AL (4 mi away); precipitation: Belle Mina 2 N, AL (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8a.

356158a
Belle Mina, AL · 3 mi
357568a
Madison, AL · 3 mi
356718a
Tanner, AL · 5 mi
356028a
Decatur, AL · 6 mi
356098a
Decatur, AL · 6 mi
356998a
Decatur, AL · 6 mi
358248a
Huntsville, AL · 7 mi
356018a
Decatur, AL · 8 mi

Alabama planting zones →

Questions about 35649

What planting zone is ZIP code 35649?

ZIP code 35649 (Mooresville, AL) 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 Mooresville, AL?

The median last spring frost (32 °F) near 35649 is March 31; after April 16 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Belle Mina 2 N station.

When is the first frost in Mooresville, AL?

The median first fall frost near 35649 is November 1, giving a median frost-free growing season of 214 days.

When should I plant tomatoes in 35649?

Start tomato seeds indoors around Feb 3 – Feb 17 and set transplants outside around Apr 7 – Apr 21, one to three weeks after the median last frost.

How much rain and snow does 35649 get?

About 54.5 inches of precipitation a year and 1 inches of snowfall (NOAA 1991–2020 normals, Belle Mina 2 N station).

How hot do summers get in Mooresville, AL?

The average high peaks at 89 °F in July, with about 61 days a year at 90 °F or more.

What kind of soil does 35649 have?

The USDA soil survey maps Decatur at the center of ZIP 35649: silty clay loam, well drained, pH about 6.5 (neutral).

Did spring come early in Mooresville, AL in 2026?

Spring leaf-out near 35649 came on Feb 15 in 2026, about the same as the 1991–2020 average (Feb 16), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Mooresville, AL?

Intermediate onions: the longest day near 35649 is 14 h 29 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 35649 change?

Yes. The 2012 USDA map put 35649 in zone 7b; the 2023 map puts it in zone 8a. The newer map uses 1991–2020 data and more weather stations.