Planting zone for 92234 — Cathedral City, CA
ZIP code 92234 (Cathedral City, Riverside County) is in USDA zone 10a: the coldest winter night averages 30 to 35 °F.
Where ZIP 92234 is
Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoomNot 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.
Was 9b 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 10a means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Cathedral City, 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 Palm Springs Regional Airport, CA — 2 miles away, elevation 420 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 92234 came on Jan 16 — 4 days earlier than the 1991–2020 average (Jan 20).
Jan 202026
Jan 16
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 Cathedral City, CA
The soil mapped at the center of ZIP 92234 is Myoma — fine sand, somewhat excessively drained.
Map unit: Myoma fine sand, 0 to 5 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 92234; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Cathedral City, CA
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Palm Springs Regional Airport, CA (2 mi away); precipitation: Palm Springs Regional Airport, CA (2 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
All 8 nearest ZIP codes share zone 10a.
All 2 ZIP codes in Cathedral City → · California planting zones →
Questions about 92234
What planting zone is ZIP code 92234?
ZIP code 92234 (Cathedral City, 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 92234 get?
About 4.6 inches of precipitation a year (NOAA 1991–2020 normals, Palm Springs Regional Airport station).
How hot do summers get in Cathedral City, CA?
The average high peaks at 109 °F in July, with about 177 days a year at 90 °F or more.
What kind of soil does 92234 have?
The USDA soil survey maps Myoma at the center of ZIP 92234: fine sand, somewhat excessively drained, pH about 8.5 (alkaline).
Did spring come early in Cathedral City, CA in 2026?
Spring leaf-out near 92234 came on Jan 16 in 2026, 4 days earlier than the 1991–2020 average (Jan 20), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Cathedral City, CA?
Intermediate onions: the longest day near 92234 is 14 h 24 min, so day-neutral types bulb best; long-day varieties may not bulb fully.
Did the zone for 92234 change?
Yes. The 2012 USDA map put 92234 in zone 9b; the 2023 map puts it in zone 10a. The newer map uses 1991–2020 data and more weather stations.