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

Planting zone for 86443 — Temple Bar Marina, AZ

ZIP code 86443 (Temple Bar Marina, Mohave County) is in USDA zone 9b: the coldest winter night averages 25 to 30 °F. The median last spring frost is February 4 and the first fall frost December 10.

Where ZIP 86443 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.

Zone9b25 to 30 °F
Coldest night−3.9 to −1.1 °C
Last frostFeb 4
First frostDec 10
2012 zone9a

Was 9a 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 9b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Temple Bar Marina, AZ…

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 Temple Bar Marina, AZ

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostFebruary 4median — 50% chance of a later frost
Safe for tender plantsFebruary 25only 10% chance of frost after
First fall frostDecember 10median — 10% chance by Nov 27
Growing season309 daysfrost-free, median

A hard freeze (28 °F) usually ends around January 8 and returns around December 23.

From the NOAA station Temple Bar, AZ — 9 miles away, elevation 1,280 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 86443

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Dec 24 – Jan 7
SpinachSow outdoors · Dec 24 – Jan 14
Broccoli, cabbageStart indoors · Nov 26 – Dec 10
Broccoli, cabbageTransplant · Jan 14 – Jan 28
Onion setsPlant outdoors · Jan 7 – Jan 21
PotatoesPlant outdoors · Jan 14 – Jan 28
LettuceSow outdoors · Jan 7 – Jan 21
Carrots, beetsSow outdoors · Jan 14 – Jan 28
TomatoesStart indoors · Dec 10 – Dec 24
TomatoesTransplant · Feb 11 – Feb 25
Peppers, eggplantStart indoors · Nov 26 – Dec 10
Peppers, eggplantTransplant · Feb 18 – Mar 4
BeansSow outdoors · Feb 11 – Feb 25
Sweet cornSow outdoors · Feb 11 – Feb 25
Cucumbers, squashSow outdoors · Feb 11 – Feb 25
Fall lettuce, spinachSow outdoors · Oct 15 – Oct 29
GarlicPlant cloves · Nov 26 – Dec 31
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Feb 4) and first fall frost (Dec 10) 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 86443 came on Jan 26 — 4 days earlier than the 1991–2020 average (Jan 30).

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 9b in Arizona

499 plants native to the lower 48 states, recorded in Arizona, and rated by the USDA to survive 25 °F or colder — the bottom of zone 9b. Each links to its USDA PLANTS profile.

Trees 26

Arizona cypress50 ft · blooms spring · low shade tolerance · to −23 °FArizona madrone30 ft · blooms late spring · high shade tolerance · to −4 °FArizona sycamore80 ft · blooms early spring · high shade tolerance · to −8 °FArizona walnut50 ft · blooms late spring · high shade tolerance · to −33 °Fblack locust60 ft · blooms spring · high shade tolerance · to −37 °Fblue spruce100 ft · blooms late spring · medium shade tolerance · to −38 °F

Shrubs 113

alderleaf mountain mahogany15 ft · blooms late spring · medium shade tolerance · to −41 °FAmerican plum24 ft · blooms mid spring · high shade tolerance · to −38 °FAmerican tarwort3 ft · blooms late spring · high shade tolerance · to −23 °Fantelope bitterbrush6 ft · blooms early spring · medium shade tolerance · to −36 °FApache plume6 ft · blooms late spring · high shade tolerance · to −23 °Fbig sagebrush4 ft · blooms mid summer · high shade tolerance · to −43 °F

Wildflowers & perennials 199

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °Falpine bistort1 ft · blooms mid spring · high shade tolerance · to −38 °Falpine mountainsorrel1 ft · blooms mid summer · medium shade tolerance · to −43 °FAmerican alpine speedwell1 ft · blooms summer · medium shade tolerance · to −28 °FAmerican bistort1.5 ft · blooms mid spring · high shade tolerance · to −38 °FAmerican century plant6 ft · blooms indeterminate · high shade tolerance · to 12 °F

Grasses 152

alkali cordgrass3 ft · blooms late summer · high shade tolerance · to −38 °Falkali sacaton3 ft · blooms mid summer · high shade tolerance · to −38 °Falpine timothy1.4 ft · blooms late spring · medium shade tolerance · to −43 °Fanalogue sedge1.5 ft · blooms late spring · medium shade tolerance · to −38 °FArizona cottontop4 ft · blooms late summer · high shade tolerance · to −13 °FArizona fescue2 ft · blooms late spring · high shade tolerance · to −23 °F

Vines 1

western white clematis1 ft · blooms mid summer · medium shade tolerance · to −38 °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 Temple Bar Marina, AZ.

Soil in Temple Bar Marina, AZ

The soil mapped at the center of ZIP 86443 is Carrizo — extremely gravelly loamy sand, excessively drained.

TextureExtremely gravelly loamy sanddrains and warms fast; dries out and needs more feeding
pH8.0alkaline; most vegetables like 6.0–7.0
DrainageExcessively drainednatural drainage class
Organic matter0.25%low — add compost
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Carrizo-Riverwash complex, 3 to 8 percent slopes MLRA 30.

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 86443; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Temple Bar Marina, AZ

Summer high109 °Faverage high, July
Winter low37 °Faverage low, December
Hot days158days a year at 90 °F or more
Freezing nights14nights a year at 32 °F or less
Growing degree days7,882base 50 °F — the season’s usable heat
Longest day14 h 36 mindaylight on June 21
Shortest day9 h 43 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation5.9 inper year, rain and melted snow

Average high and low, by month

30°40°50°60°70°80°90°100°110°120°32 °FJanuary: average high 60 °F, low 38 °F 60°38° JanFebruary: average high 65 °F, low 41 °F 65°41° FebMarch: average high 73 °F, low 48 °F 73°48° MarApril: average high 83 °F, low 56 °F 83°56° AprMay: average high 93 °F, low 65 °F 93°65° MayJune: average high 104 °F, low 74 °F 104°74° JunJuly: average high 109 °F, low 82 °F 109°82° JulAugust: average high 107 °F, low 81 °F 107°81° AugSeptember: average high 99 °F, low 71 °F 99°71° SepOctober: average high 84 °F, low 58 °F 84°58° OctNovember: average high 69 °F, low 46 °F 69°46° NovDecember: average high 58 °F, low 37 °F 58°37° Dec

Precipitation by month inches

0″1″January: 0.69 in precipitation 0.7 JanFebruary: 0.79 in precipitation 0.8 FebMarch: 0.50 in precipitation 0.5 MarApril: 0.39 in precipitation 0.4 AprMay: 0.50 in precipitation 0.5 MayJune: 0.04 in precipitation 0.0 JunJuly: 0.81 in precipitation 0.8 JulAugust: 0.32 in precipitation 0.3 AugSeptember: 0.31 in precipitation 0.3 SepOctober: 0.51 in precipitation 0.5 OctNovember: 0.51 in precipitation 0.5 NovDecember: 0.49 in precipitation 0.5 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Temple Bar, AZ (9 mi away); precipitation: Temple Bar, AZ (9 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

864459b
Willow Beach, AZ · 19 mi
864449a
Meadview, AZ · 22 mi
890059b
Boulder City, NV · 23 mi
864419a
Dolan Springs, AZ · 28 mi
890159b
Henderson, NV · 28 mi
890409b
Overton, NV · 28 mi
890029b
Henderson, NV · 29 mi
889059a
The Lakes, NV · 30 mi

Arizona planting zones →

Questions about 86443

What planting zone is ZIP code 86443?

ZIP code 86443 (Temple Bar Marina, AZ) is in USDA hardiness zone 9b on the 2023 map: the coldest night of an average winter reaches 25 to 30 °F (−3.9 to −1.1 °C).

When is the last frost in Temple Bar Marina, AZ?

The median last spring frost (32 °F) near 86443 is February 4; after February 25 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Temple Bar station.

When is the first frost in Temple Bar Marina, AZ?

The median first fall frost near 86443 is December 10, giving a median frost-free growing season of 309 days.

When should I plant tomatoes in 86443?

Start tomato seeds indoors around Dec 10 – Dec 24 and set transplants outside around Feb 11 – Feb 25, one to three weeks after the median last frost.

How much rain and snow does 86443 get?

About 5.9 inches of precipitation a year (NOAA 1991–2020 normals, Temple Bar station).

How hot do summers get in Temple Bar Marina, AZ?

The average high peaks at 109 °F in July, with about 158 days a year at 90 °F or more.

What kind of soil does 86443 have?

The USDA soil survey maps Carrizo at the center of ZIP 86443: extremely gravelly loamy sand, excessively drained, pH about 8.0 (alkaline).

Did spring come early in Temple Bar Marina, AZ in 2026?

Spring leaf-out near 86443 came on Jan 26 in 2026, 4 days earlier than the 1991–2020 average (Jan 30), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Temple Bar Marina, AZ?

Intermediate onions: the longest day near 86443 is 14 h 36 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 86443 change?

Yes. The 2012 USDA map put 86443 in zone 9a; the 2023 map puts it in zone 9b. The newer map uses 1991–2020 data and more weather stations.