Planting zone for 93633 — Kings Canyon National Pk, CA
ZIP code 93633 (Kings Canyon National Pk, Tulare County) is in USDA zone 7b: the coldest winter night averages 5 to 10 °F. The median last spring frost is June 1 and the first fall frost October 7.
Where ZIP 93633 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.
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 7b means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Kings Canyon National Pk, 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 in Kings Canyon National Pk, CA
A hard freeze (28 °F) usually ends around May 16 and returns around October 21.
From the NOAA station Grant Grove, CA — within 1 mile, elevation 6,582 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 93633
Counted from the median last spring frost (Jun 1) and first fall frost (Oct 7) 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 93633 came on Feb 14 — 20 days earlier than the 1991–2020 average (Mar 6).
Mar 62026
Feb 14
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 Kings Canyon National Pk, CA
The soil mapped at the center of ZIP 93633 is Tharpslog — slightly decomposed plant material, somewhat excessively drained.
Map unit: Tharpslog-Bearhill-Tinybaugh complex, 15 to 45 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 93633; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Kings Canyon National Pk, CA
Average high and low, by month
Precipitation by month inches · ❄ = snowfall
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Grant Grove, CA (within 1 mile); precipitation: Grant Grove, CA (within 1 mile). 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.
Questions about 93633
What planting zone is ZIP code 93633?
ZIP code 93633 (Kings Canyon National Pk, CA) is in USDA hardiness zone 7b on the 2023 map: the coldest night of an average winter reaches 5 to 10 °F (−15 to −12.2 °C).
When is the last frost in Kings Canyon National Pk, CA?
The median last spring frost (32 °F) near 93633 is June 1; after June 15 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Grant Grove station.
When is the first frost in Kings Canyon National Pk, CA?
The median first fall frost near 93633 is October 7, giving a median frost-free growing season of 132 days.
When should I plant tomatoes in 93633?
Start tomato seeds indoors around Apr 6 – Apr 20 and set transplants outside around Jun 8 – Jun 22, one to three weeks after the median last frost.
How much rain and snow does 93633 get?
About 41.7 inches of precipitation a year and 186 inches of snowfall (NOAA 1991–2020 normals, Grant Grove station).
How hot do summers get in Kings Canyon National Pk, CA?
The average high peaks at 79 °F in July, with about 0 days a year at 90 °F or more.
What kind of soil does 93633 have?
The USDA soil survey maps Tharpslog at the center of ZIP 93633: slightly decomposed plant material, somewhat excessively drained, pH about 6.1 (slightly acidic).
Did spring come early in Kings Canyon National Pk, CA in 2026?
Spring leaf-out near 93633 came on Feb 14 in 2026, 20 days earlier than the 1991–2020 average (Mar 6), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Kings Canyon National Pk, CA?
Intermediate onions: the longest day near 93633 is 14 h 41 min, so day-neutral types bulb best; long-day varieties may not bulb fully.