Fall River Mills, California, sits in USDA hardiness zone 7a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Well-matched crops include cabbage, pawpaw, california poppy, and collard greens, and the gap between "grows in the area" and "grows in your yard" is closed by soil, sun, and drainage.
Even in Fall River Mills, 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 Fall River Mills 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 Fall River Mills — soil, climate, flood, and parcel records. How we handle your address.
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Fall River Mills — the short answer
Fall River Mills, California: USDA zone 7a, about 184 days between hard freezes, across 2K acres of town.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 18
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 19
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~184
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 2K acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. Hard-freeze dates are this town’s own 28°F normals: light frosts run a few weeks past them, and tender transplants usually wait 2–3 weeks after the last hard freeze.
Hardiness Zone Range
Zone 7a is Fall River Mills's average, not your lot's — a low corner or a tree line moves it. Against Fall River Mills's 184-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Fall River Mills
Each reading below is measured for Fall River Mills itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredFall River Mills runs about 184 days between hard freezes — a moderate growing season.
There is room for the full run of cool-season crops plus a warm-season main crop, but the calendar is tight enough that a late spring or early fall frost still decides how much finishes.
Time warm-season transplants to your last hard freeze, and a few weeks of season extension turns a near-miss harvest into a sure one.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredFall River Mills sits in USDA hardiness zone 7a.
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 Fall River Mills is in
Fall River Mills sits in the Eastern Cascades Slopes and Foothills — EPA Level III, inside the wider Northwestern Forested Mountains. That is read at Fall River Mills's own centroid, and it is not what its county reads: Shasta County is mostly Cascades. The wider page above you is answering a different question about different ground.
What Grows in Fall River Mills
Every plant below cleared Fall River Mills's own zone 7a and its 184-day season. Each card opens that plant's California profile. How we score.
Is it too late to plant in Fall River Mills?
Too late for some crops, right on time for others — a growing season is a sequence, not a deadline. Cool-season crops can go in from around Mar 21; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 18 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 19 — long-season crops need about 90 days of runway, quick greens only 30. As the window narrows, the plantings just get faster — fall brassicas, then greens, then garlic to finish.
What's on the federal record near Fall River Mills
Closest first, within ~10 miles of Fall River Mills. Listing isn't leaking, and distance isn't exposure.
- FALL RIVER VALLEY CSDBrownfields · 850 ft
- JKSD Fall RiverUnderground Storage Tanks · 1300 ft
- VALLEY MOTOR PARTSBrownfields · 1500 ft
- FALL RIVER J.U. SCHOOL DISTRICTBrownfields · 0.5 mi
- CALTRANSBrownfields · 0.8 mi
- CALTRANS D-02/EA 02-4H8804Brownfields · 0.8 mi
- PAPE MACHINERY INC DBA PAPE MACHINERYBrownfields · 0.9 mi
- 037N005E19P002MNitrate · 1.1 mi
- MAYERS MEMORIAL HOSPITAL DISTRICTBrownfields · 1.4 mi
- MOUNTAIN VALLEYS HEALTH CENTERS DBA FALL RIVER VALLEY HEALTH CENTERBrownfields · 1.5 mi
- Harbert Oil-CFN CardlockUnderground Storage Tanks · 1.7 mi
- HARBERT OIL CO INCBrownfields · 1.7 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Fall River Mills'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 Fall River Mills.
Total Sites
40
within ~10 miles of Fall River Mills
Risk Level
Low
Highest-severity
1 Toxics Release Inventory facility
Sources Checked
within ~10 miles of Fall River Mills
Severity Distribution
within ~10 miles of Fall River Mills
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Fall River Mills, Brownfields runs higher than the national average — 31 sites within ~10 miles of Fall River Mills. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
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.
Check your specific parcel in Fall River Mills
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 Fall River Mills average
Your land is one point inside Fall River Mills
Everything above resolves to Fall River Mills as a whole — one PHZM band and one 28°F frost record, read across 2K acres. 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 Fall River Mills Average
Fall River Mills Average
- ●USDA Zones 7a, averaged across Fall River Mills
- ●One soil character for all of Fall River Mills
- ●Frost dates read at Fall River Mills's scale: Apr 18 to Oct 19
YOUR Parcel
- ✓Your exact zone, not Fall River Mills's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Fall River Mills
Pull a site-specific report for your exact address in Fall River Mills, California — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Fall River Mills averages can't show:
We read public map data around Fall River Mills — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Fall River Mills average
How we know this about Fall River Mills
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 Fall River Mills’s own record; 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 Fall River Mills
When does frost risk typically end in Fall River Mills?
The last hard freeze (28°F) in Fall River Mills typically lands around Apr 18, 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 May 9.
When is the first frost in Fall River Mills?
The first hard freeze (28°F) in Fall River Mills typically arrives around Oct 19, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 5, so the watching starts about Sep 19 — about 184 days after the spring freeze cleared.
How long is the growing season in Fall River Mills?
Measured between 28°F hard freezes, Fall River Mills sees about 184 frost-free days — roughly Apr 18 through Oct 19, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 9 to Oct 5, about 149 days.
Is the soil safe to grow vegetables in Fall River Mills?
The federal record around Fall River Mills is light — 40 documented sites across the 9 federal source types we checked, mostly Brownfields entries (31), the nearest Brownfields record about 0.2 miles out — and proximity to a documented site is information, not a diagnosis of any one yard. Growing food here starts from a strong position; a soil test before new food beds settles any site-specific question.
How do I protect my plants from frost in Fall River Mills?
From about Sep 19 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 Oct 19 (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 Oct 19. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Fall River Mills's scale — its 7a band and its 184-day season. Your yard writes its own version of Fall River Mills'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 Fall River Mills’s own scale
6 of the readings below were taken at Fall River Mills's own scale — its own ~184-day season between 28°F freezes, the 1,695 acres it covers and 40 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Fall River Mills's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Fall River Mills's own 28°F hard-freeze dates, about Apr 18 and Oct 19 and the ~184-day span between themNOAA 1991–2020 Climate Normals
- 40 documented contamination sites on the federal record near Fall River Mills, the closest Brownfields record about 0.2 miles out from the town centreFederal environmental registers
- Fall River Mills's boundary and the 1,695 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~184-day seasonGrowable Ground crop-matching engine
- Fall River Mills sits in the Eastern Cascades Slopes and Foothills — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Fall River Mills's 1,695 acres read through its county's SSURGO summaryfrom Shasta County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Shasta 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 Shasta County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Fall River Mills's 1,695 acreswhy one lot differs from the next →
- Which side of Fall River Mills you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,695 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields 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 Fall River Mills-wide figureread your own land →
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