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

Planting zone for 90065 — Los Angeles, CA

ZIP code 90065 (Los Angeles, Los Angeles County) is in USDA zone 10a: the coldest winter night averages 30 to 35 °F.

Where ZIP 90065 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.

Zone10a30 to 35 °F
Coldest night−1.1 to 1.7 °C
Last frostrare
First frostrare
2012 zone10a

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 10a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Los Angeles, CA…

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

A 32 °F frost doesn't happen here in most winters. At the nearest station (NOAA station Pasadena, CA — 6 miles away, elevation 863 ft) the median growing season is 365 days. When frost does come, it is a midwinter night or two; cover tender plants when a freeze is forecast.

Frost data: NOAA NCEI U.S. Climate Normals 1991–2020.

When spring arrived in 2026

In 2026, spring leaf-out near 90065 came on Jan 17 — 3 days earlier than the 1991–2020 average (Jan 20).

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 Los Angeles, CA

The soil mapped at the center of ZIP 90065 is Counterfeit — clay loam, somewhat poorly drained.

TextureClay loamholds water and nutrients; slow to drain and warm up
pH7.5slightly alkaline; most vegetables like 6.0–7.0
DrainageSomewhat poorly drainedconsider raised beds
Organic matter1.5%low — add compost
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Counterfeit-Nacimiento, warm-Urban land association, 20 to 55 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 90065; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Los Angeles, CA

Summer high84 °Faverage high, August
Winter low48 °Faverage low, December
Hot days26days a year at 90 °F or more
Freezing nights0nights a year at 32 °F or less
Growing degree days5,770base 50 °F — the season’s usable heat
Longest day14 h 26 mindaylight on June 21
Shortest day9 h 53 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation15.8 inper year, rain and melted snow

Average high and low, by month

40°50°60°70°80°90°January: average high 68 °F, low 49 °F 68°49° JanFebruary: average high 68 °F, low 50 °F 68°50° FebMarch: average high 70 °F, low 52 °F 70°52° MarApril: average high 72 °F, low 55 °F 72°55° AprMay: average high 74 °F, low 58 °F 74°58° MayJune: average high 77 °F, low 61 °F 77°61° JunJuly: average high 82 °F, low 65 °F 82°65° JulAugust: average high 84 °F, low 65 °F 84°65° AugSeptember: average high 83 °F, low 64 °F 83°64° SepOctober: average high 79 °F, low 60 °F 79°60° OctNovember: average high 73 °F, low 53 °F 73°53° NovDecember: average high 67 °F, low 48 °F 67°48° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 3.17 in precipitation 3.2 JanFebruary: 4.59 in precipitation 4.6 FebMarch: 2.49 in precipitation 2.5 MarApril: 0.85 in precipitation 0.8 AprMay: 0.39 in precipitation 0.4 MayJune: 0.13 in precipitation 0.1 JunJuly: 0.03 in precipitation 0.0 JulAugust: 0.01 in precipitation 0.0 AugSeptember: 0.15 in precipitation 0.1 SepOctober: 0.70 in precipitation 0.7 OctNovember: 0.89 in precipitation 0.9 NovDecember: 2.44 in precipitation 2.4 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Los Angeles Dwtn Usc Campus, CA (4 mi away); precipitation: Los Angeles 2.6 Nw, CA (3 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.

All 92 ZIP codes in Los Angeles → · California planting zones →

Questions about 90065

What planting zone is ZIP code 90065?

ZIP code 90065 (Los Angeles, CA) is in USDA hardiness zone 10a on the 2023 map: the coldest night of an average winter reaches 30 to 35 °F (−1.1 to 1.7 °C).

How much rain and snow does 90065 get?

About 15.8 inches of precipitation a year (NOAA 1991–2020 normals, Los Angeles 2.6 Nw station).

How hot do summers get in Los Angeles, CA?

The average high peaks at 84 °F in August, with about 26 days a year at 90 °F or more.

What kind of soil does 90065 have?

The USDA soil survey maps Counterfeit at the center of ZIP 90065: clay loam, somewhat poorly drained, pH about 7.5 (slightly alkaline).

Did spring come early in Los Angeles, CA in 2026?

Spring leaf-out near 90065 came on Jan 17 in 2026, 3 days earlier than the 1991–2020 average (Jan 20), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Los Angeles, CA?

Intermediate onions: the longest day near 90065 is 14 h 26 min, so day-neutral types bulb best; long-day varieties may not bulb fully.