What Grows in Rouse, California

USDA Zones 9b · 152 acres

Rouse, California, sits in USDA hardiness zone 9b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.

Crops well matched to these conditions include okra, meyer lemon, california poppy, and artichoke — though what thrives on any one site still turns on its specific soil, sun, and drainage.

Score your parcel · free

Even in Rouse, no two yards are alike.

A low spot, a south-facing slope, or a stand of trees moves the frost date and sun across a single Rouse lot. Enter your address and we'll score 1,086 plants against your land's actual soil, sun, and frost.

We read public map data around Rouse — soil, climate, flood, and parcel records. How we handle your address.

No card required · your full report in seconds

Rouse — the short answer

Rouse, California: USDA zone 9b, about 322 days between hard freezes, across 152 acres of town.

USDA zone
9b
USDA PHZM 2023
Last hard freeze (28°F)
Jan 22
Stanislaus County normal — NOAA 1991–2020, nearest to this town
First hard freeze (28°F)
Dec 10
Stanislaus County normal — NOAA 1991–2020, nearest to this town
Days between freezes
~322
Stanislaus County normal — NOAA 1991–2020, nearest to this town
Town area
152 acres
US Census TIGER/Line 2025

Every figure names the dataset it came from. No 30-year normal resolves at this town’s own centroid, so the hard-freeze dates are Stanislaus County’s — the closest measured record, labelled as such rather than passed off as local.

Hardiness Zone Range

9b9b
3a (Cold)13b (Hot)

Zone 9b is Rouse's average, not your lot's — a low corner or a tree line moves it. Against Rouse's 322-day season, see what your own ground reads.

Soil varies lot by lot — soil types explained.

What this means for growing in Rouse

Each reading below is measured for Rouse itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length

From county records

Rouse runs about 322 days between hard freezes (read from Stanislaus County, the closest normal to Rouse) — close to year-round growing.

Frost is rarely the limit here; winter plantings are as real as summer ones, and the harder question is which crops shrug off the summer heat.

Grow cool-season crops through the mild winter, and choose heat-tolerant varieties for the summer beds.

NOAA 1991–2020 Climate Normals

Winter hardiness

Measured

Rouse sits in USDA hardiness zone 9b.

The zone sets which perennials, shrubs, and fruit trees live through an average winter here — a plant rated for a colder zone is a safe bet, one rated warmer needs winter protection or gets treated as an annual.

Match perennials and fruit to the zone before you buy, so nothing you plant is a gamble against the cold.

USDA PHZM 2023

The kind of country Rouse is in

Rouse sits in the Central California Valley — EPA Level III, inside the wider Mediterranean California. That is read at Rouse's own centroid rather than borrowed from Stanislaus County.

What that means for soil

What Grows in Rouse

Every plant below cleared Rouse's own zone 9b and its 322-day season. Each card opens that plant's California profile. How we score.

okra, photograph
Growing okra in CaliforniaZones 2–12Rouse's 322 days clear the ~50 it needs.
Meyer lemon, photograph
California meyer lemon guideZones 9–11Rouse's 9b is its exact cold limit.
California poppy, photograph
California poppy in CaliforniaZones 6–10Rouse's 9b — 3 zones of cold margin.
artichoke, photograph
Artichoke: California growing notesZones 7–11Rouse's 9b — 2 zones of cold margin.
avocado, photograph
Growing avocado in CaliforniaZones 9–11Rouse's 9b is its exact cold limit.
rosemary, photograph
California rosemary guideZones 8–10Rouse's 9b — 1 zone of cold margin.
cabbage, photograph
Cabbage in CaliforniaZones 2–11Rouse's 9b — 7 zones of cold margin.
banana, photograph
Banana: California growing notesZones 9–11Rouse's 9b is its exact cold limit.
Turkish rocket, photograph
Growing turkish rocket in CaliforniaRouse's 322 days clear the ~90 it needs.
collard greens, photograph
California collard greens guideZones 2–11Rouse's 9b — 7 zones of cold margin.
kale, photograph
Kale in CaliforniaZones 2–11Rouse's 9b — 7 zones of cold margin.
lentil, photograph
Lentil: California growing notesZones 2–11Rouse's 322 days clear the ~70 it needs.
potato, photograph
Growing potato in CaliforniaZones 2–11Rouse's 9b — 7 zones of cold margin.
pumpkin, photograph
California pumpkin guideZones 3–11Rouse's 322 days clear the ~40 it needs.
sweet corn, photograph
Sweet corn in CaliforniaZones 2–11Rouse's 322 days clear the ~65 it needs.
iris, photograph
Iris: California growing notesZones 3–10Rouse's 9b — 6 zones of cold margin.
sunflower, photograph
Growing sunflower in CaliforniaZones 2–11Rouse's 322 days clear the ~70 it needs.
Apache plume, photograph
California apache plume guideZones 5–11Rouse's 9b — 4 zones of cold margin.
scarlet runner bean, photograph
Scarlet runner bean in CaliforniaZones 7–11Rouse's 9b — 2 zones of cold margin.
agave, photograph
Agave: California growing notesZones 8–11Rouse's 9b — 1 zone of cold margin.
French marigold, photograph
Growing french marigold in CaliforniaRouse's 322 days clear the ~50 it needs.
holly, photograph
California holly guideZones 5–11Rouse's 9b — 4 zones of cold margin.
Carolina jessamine, photograph
Carolina jessamine in CaliforniaZones 7–10Rouse's 9b — 2 zones of cold margin.
mountain laurel, photograph
Mountain laurel: California growing notesZones 5–11Rouse's 9b — 4 zones of cold margin.
palo verde, photograph
Growing palo verde in CaliforniaZones 8–11Rouse's 9b — 1 zone of cold margin.
jungle rice, photograph
California jungle rice guideZones 7–13Rouse's 322 days clear the ~45 it needs.
ajuga, photograph
Ajuga in CaliforniaZones 5–11Rouse's 9b — 4 zones of cold margin.
redbud, photograph
Redbud: California growing notesZones 5–11Rouse's 9b — 4 zones of cold margin.
lablab, photograph
Growing lablab in CaliforniaZones 7–13Rouse's 9b — 2 zones of cold margin.
liriope, photograph
California liriope guideZones 5–11Rouse's 9b — 4 zones of cold margin.

Is it too late to plant in Rouse?

For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Jan 1; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Jan 22 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 10 — long-season crops need about 90 days of runway, quick greens only 30. In a climate this gentle, “too late” hardly applies — the question becomes which crops prefer the cooler months ahead.

What's on the federal record near Rouse

Closest first, within ~10 miles of Rouse. Listing isn't leaking, and distance isn't exposure.

  1. ALEX AND SONS GAS AND FOODUnderground Storage Tanks · 1100 ft
  2. 004S009E06H001MNitrate · 1200 ft
  3. 004S009E05P001MNitrate · 2000 ft
  4. OMS #27Brownfields · 2100 ft
  5. 003S009E32P001MNitrate · 2200 ft
  6. MODESTO WWTFBrownfields · 2300 ft
  7. G E SERRANOBrownfields · 2600 ft
  8. DOLLAR TREE #06261Brownfields · 0.5 mi
  9. H & M MUFFLER AND AUTO REPAIRBrownfields · 0.6 mi
  10. OREILLY AUTO PARTS STORE 4662Brownfields · 0.6 mi
  11. 004S009E06R001MNitrate · 0.6 mi
  12. PARADISE DRUGSBrownfields · 0.6 mi

6 more sites are on the record inside the same radius. See them on the map

Measured from Rouse's center, not your beds. Run your own address for what's upwind of you specifically.

Environmental Intelligence

The counts behind that headline — every source type on the record near Rouse.

Total Sites

2,306

within ~10 miles of Rouse

Risk Level

Elevated

Highest-severity

12 Superfund sites

Severity Distribution

within ~10 miles of Rouse

High5Moderate628Low1,673

Highest-Severity Sites

Ceres, City of
PFAS Sampling · PFAS Detected
City of Modesto - Salida
PFAS Sampling · PFAS Detected
Modesto Ground Water Contamination
Superfund · Superfund NPL
Modesto, City of
PFAS Sampling · PFAS Detected
Riverbank Army Ammunition Plt.
Superfund · Superfund NPL

A note from Gnorman

What an experienced grower watches for around here

In and around Rouse, Brownfields runs higher than the national average — 1,668 sites within ~10 miles of Rouse. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.

Brownfields: Brownfield sites are former commercial or industrial properties where legacy soil contamination (heavy metals, PAHs, petroleum compounds) may persist.

Check EPA brownfield remediation status — many sites have completed cleanup with institutional controls.

Free Report

Check your specific parcel in Rouse

Get exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,086 plant recommendations.

25+ data sources read at your address, not the Rouse average

Your land is one point inside Rouse

Everything above resolves to Rouse as a whole — one PHZM band, read across 152 acres, with hard-freeze dates borrowed from Stanislaus County’s record because no 30-year normal resolves at this town’s own centroid. Your parcel is one point inside that footprint. Slope, tree cover, a low spot that pools cold air, and what is in the soil are all resolved at the address, and none of them are visible at town scale. That is the honest boundary of this page, and the reason the next step is a reading of your own ground rather than a better local average.

Your Lot vs the Rouse Average

Rouse Average

  • USDA Zones 9b, averaged across Rouse
  • One soil character for all of Rouse
  • Frost dates read at Rouse's scale: Jan 22 to Dec 10

YOUR Parcel

  • Your exact zone, not Rouse's 9b
  • Your SSURGO soil type & pH
  • Your sun exposure, cast in 3D

See MY Growing Report

Free Report

Read your specific parcel in Rouse

Pull a site-specific report for your exact address in Rouse, California — soil, sun, drainage, frost risk, and scored plant recommendations.

Three things about your lot that Rouse averages can't show:

Your soil pHYour frost-free days — Rouse averages 322Your sun & shade

We read public map data around Rouse — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources read at your address, not the Rouse average

How we know this about Rouse

The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this town’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Stanislaus County’s record, because none resolves here; boundaries and acreage from US Census TIGER/Line 2025; the contamination records from the federal sources named in their beats above. Soil is not read at town grain anywhere on this page — there is no town-resolution survey in our data, which is why you will find no soil grid here rather than a statewide one wearing a local label. The resolution ledger below names every figure this page inherited.

Common questions about Rouse

When does frost risk typically end in Rouse?

The last hard freeze (28°F) in Rouse typically lands around Jan 22, per NOAA 1991–2020 climate normals — earlier than the light-frost dates most charts quote. That marks the hard freeze, not the last light frost — lighter frosts keep biting past it, which is why tender transplants here wait until about Feb 12.

When is the first frost in Rouse?

The first hard freeze (28°F) in Rouse typically arrives around Dec 10, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 26, so the watching starts about Nov 10 — about 322 days after the spring freeze cleared.

How long is the growing season in Rouse?

Measured between 28°F hard freezes, Rouse sees about 322 frost-free days — roughly Jan 22 through Dec 10, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Feb 12 to Nov 26, about 287 days.

Is the soil safe to grow vegetables in Rouse?

The federal record around Rouse is a meaningful one — 2,306 documented sites, mostly Brownfields entries (1,668), the nearest Underground Storage Tanks record about 0.2 miles out — so a soil test before new food beds is a sensible precaution here, not a reason to hold back from growing. Remember that proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what sits where.

How do I protect my plants from frost in Rouse?

From about Nov 10 the job here turns from planting to protecting — the last start even a 30-day crop can finish. As the season closes around the first 28°F hard freeze near Dec 10 (NOAA 1991–2020 climate normals), three moves buy time: row cover or an old sheet over tender plants on still, clear nights; water the soil the afternoon before a freeze, so it holds warmth overnight; and harvest tomatoes, peppers and basil before Dec 10. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.

Everything above is measured at Rouse's scale — its 9b band and its 322-day season. Your yard writes its own version of Rouse's numbers: we read soil, sun, drainage and frost at your exact address. Try it for 14 days — no card required.

What this page reads at Rouse’s own scale

5 of the readings below were taken at Rouse's own scale — the 152 acres it covers and 2,306 documented sites around it; 5 are borrowed from a wider read, named and linked below.

Measured here

  • Rouse's own USDA hardiness band, zones 9bUSDA PHZM 2023
  • 2,306 documented contamination sites on the federal record near Rouse, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
  • Rouse's boundary and the 152 acres inside itUS Census TIGER/Line 2025
  • Which of 1,086 plants clear zones 9b and a ~322-day seasonGrowable Ground crop-matching engine
  • The ecoregion at Rouse's own centroid, the Central California ValleyUS EPA Level III Ecoregions

Inherited from a wider read

  • The 28°F hard-freeze dates — Rouse has no normal of its own, so its county's is the closest measured readfrom Stanislaus County
  • Soil character — no town-scale survey exists, so Rouse's 152 acres read through its county's SSURGO summaryfrom Stanislaus County
  • Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Stanislaus County
  • The growing challenges every California grower plans around — written at state scale, so they stay on the state guidefrom California
  • Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Stanislaus County

What this page can’t tell you

  • The soil pH, drainage, sun hours, and frost pockets on any one lot among Rouse's 152 acreswhy one lot differs from the next
  • Which side of Rouse you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 152 acresreading your own microclimate
  • How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.2 miles out, measured from the town centrehow we read the record
  • Where cold air settles, which slopes face the sun, and which way the wind runs on your own ground — measured at your address, and averaged away by any Rouse-wide figureread your own land
The next step finer is your own address