The San Joaquin Valley spans USDA hardiness zones 9a-9b — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
The hot southern half of California's Central Valley — deep soils and intense sun behind almonds, stone fruit, grapes, and row crops at vast scale. Growers here do well with avocado, meyer lemon, tomato, and grape — with the usual caveat that any single yard's soil, sun, and drainage cast the deciding vote.
The San Joaquin Valley spans California.
Your yard isn't the whole San Joaquin Valley.
The San Joaquin Valley spans USDA zones 9a-9b, but your parcel sits in exactly one — and slope, tree cover, and low spots nudge it further. Enter your address and we'll score 1,112 plants against your land's actual soil, sun, and frost.
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
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Quick Facts
USDA Zones
9a-9b
States
1
Counties
8
Defined by
Counties
Hardiness Zone Range
What Grows in the San Joaquin Valley
Plants matched to the San Joaquin Valley's USDA zones 9a-9b — each links to its full growing profile.
Native Plants Suited to the San Joaquin Valley
US-native plants (USDA PLANTS, Lower 48) whose hardiness range overlaps the San Joaquin Valley’s USDA zones 9a-9b. Zone overlap is a starting filter, not a range map — for plants documented native to your county, your state’s Cooperative Extension or a native-plant society is the authority.
Safe to Grow Here?
What the federal record shows across the San Joaquin Valley — and how to grow with it.
A growing region spans many local records, and contamination is a per-place fact — not a regional verdict. Nationwide we track 1.8M documented sites across 9 federal source types; open the map outlined to the San Joaquin Valley to see exactly what's on record where you grow.
Sources: EPA, USGS — 1.8M documented sites tracked nationwide across 9 federal source types.
Your Specific Parcel Matters
the San Joaquin Valley Average
- ●USDA Zones 9a-9b
- ●Generic soil type for the area
- ●State-average frost dates
YOUR Parcel
- ✓Your exact hardiness zone
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your parcel in the San Joaquin Valley
Pull a site-specific report for your exact address in the San Joaquin Valley — soil, sun, drainage, frost risk, contamination, and scored plant recommendations.
Three things about your exact spot that zone averages miss:
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources analyzed in seconds
Key Growing Facts for the San Joaquin Valley
- USDA Hardiness Zones: 9a-9b (USDA PHZM 2023, aggregated across the region)
- States: California
- Counties covered: 8
- Region boundary: a cluster of neighboring counties
Zone data: USDA ARS Plant Hardiness Zone Map 2023. Region boundary: curated county clusters and EPA Level III ecoregions. County boundaries: US Census TIGER/Line 2025.
Frequently Asked Questions
What hardiness zone is the San Joaquin Valley?
The San Joaquin Valley spans USDA hardiness zones 9a-9b, aggregated from the USDA Agricultural Research Service Plant Hardiness Zone Map 2023 across the region's counties. Zones reflect average annual extreme minimum temperatures from 1991–2020 data.
What grows well in the San Joaquin Valley?
The San Joaquin Valley's conditions suit plants such as Avocado, Meyer Lemon, Tomato, Grape, Fig, California Poppy. For site-specific recommendations scored against your parcel's soil, drainage, and sun data, run the Growable Ground report for your address.
Which states does the San Joaquin Valley cover?
The San Joaquin Valley spans California. Each state's full growing guide is linked below.