Lookout, California, sits in USDA hardiness zone 7a — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
On paper, cabbage, blackberry, california poppy, and collard greens all suit these conditions — on the ground, soil, sun, and drainage make the final call.
Even in Lookout, 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 Lookout 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 Lookout — soil, climate, flood, and parcel records. How we handle your address.
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Lookout — the short answer
Lookout, California: USDA zone 7a, about 158 days between hard freezes, across 3K acres of town.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- May 4
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 9
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~158
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 3K 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 Lookout's average, not your lot's — a low corner or a tree line moves it. Against Lookout's 158-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Lookout
Each reading below is measured for Lookout itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredLookout runs about 158 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
MeasuredLookout 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 Lookout is in
Lookout sits in the Eastern Cascades Slopes and Foothills — EPA Level III, inside the wider Northwestern Forested Mountains. That is read at Lookout's own centroid rather than borrowed from Modoc County.
What Grows in Lookout
Every plant below cleared Lookout's own zone 7a and its 158-day season. Each card opens that plant's California profile. How we score.
Is it too late to plant in Lookout?
Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Apr 6; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near May 4 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 9 — long-season crops need about 90 days of runway, quick greens only 30. The tail of the season still works: sixty-day crops into late summer, quick greens after, garlic last of all.
What's on the federal record near Lookout
Closest first, within ~10 miles of Lookout. Listing isn't leaking, and distance isn't exposure.
- HARBERT OIL COMPANY INCBrownfields · 5.5 mi
- LASSEN COUNTY ROAD DEPARTMENTBrownfields · 5.9 mi
- 038N007E23D001MNitrate · 6.1 mi
- BVJUSD - TRANSPORTATIONBrownfields · 6.2 mi
- Red BarnUnderground Storage Tanks · 6.2 mi
- HARBERT OIL COMPANY INC DBA RED BARNBrownfields · 6.2 mi
- MIKE SCHROEDER AUTOMOTIVEBrownfields · 6.2 mi
- CAL FIRE BIEBER HELITACK BASEBrownfields · 6.2 mi
- CAL FIREBrownfields · 6.9 mi
- CAL TRANS ADIN MAINT STATIONBrownfields · 8.0 mi
- BURLINGTON NORTHERN AND SANTA FE RAILWAYBrownfields · 8.0 mi
- 037N007E02D001MNitrate · 8.7 mi
Measured from Lookout'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 Lookout.
Severity Distribution
within ~10 miles of Lookout
Highest-Severity Sites
Know Before You Grow
- •Near a brownfield, raised beds of imported soil give your food clean ground.
- •On a private well, test for nitrates: above 10 mg/L the water needs treatment before irrigating.
- •Underground tanks leak petroleum as they age — near a former filling station, test the soil.
Check your specific parcel in Lookout
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 Lookout average
Your land is one point inside Lookout
Everything above resolves to Lookout as a whole — one PHZM band and one 28°F frost record, read across 3K 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 Lookout Average
Lookout Average
- ●USDA Zones 7a, averaged across Lookout
- ●One soil character for all of Lookout
- ●Frost dates read at Lookout's scale: May 4 to Oct 9
YOUR Parcel
- ✓Your exact zone, not Lookout's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Lookout
Pull a site-specific report for your exact address in Lookout, California — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Lookout averages can't show:
We read public map data around Lookout — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Lookout average
How we know this about Lookout
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 Lookout’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 Lookout
When does frost risk typically end in Lookout?
The last hard freeze (28°F) in Lookout typically lands around May 4, 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 25.
When is the first frost in Lookout?
The first hard freeze (28°F) in Lookout typically arrives around Oct 9, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Sep 25, so the watching starts about Sep 9 — about 158 days after the spring freeze cleared.
How long is the growing season in Lookout?
Measured between 28°F hard freezes, Lookout sees about 158 frost-free days — roughly May 4 through Oct 9, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 25 to Sep 25, about 123 days.
Is the soil safe to grow vegetables in Lookout?
The federal record around Lookout is light — 14 documented sites across the 9 federal source types we checked, mostly Brownfields entries (9), the nearest Brownfields record about 5.5 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 Lookout?
From about Sep 9 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 9 (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 9. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Lookout's scale — its 7a band and its 158-day season. Your yard writes its own version of Lookout'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 Lookout’s own scale
6 of the readings below were taken at Lookout's own scale — its own ~158-day season between 28°F freezes, the 3,497 acres it covers and 14 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Lookout's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Lookout's own 28°F hard-freeze dates, about May 4 and Oct 9 and the ~158-day span between themNOAA 1991–2020 Climate Normals
- 14 documented contamination sites on the federal record near Lookout, the closest Brownfields record about 5.5 miles out from the town centreFederal environmental registers
- Lookout's boundary and the 3,497 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~158-day seasonGrowable Ground crop-matching engine
- The ecoregion at Lookout's own centroid, the Eastern Cascades Slopes and FoothillsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Lookout's 3,497 acres read through its county's SSURGO summaryfrom Modoc County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Modoc 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 Modoc County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Lookout's 3,497 acreswhy one lot differs from the next →
- Which side of Lookout you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 3,497 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 5.5 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 Lookout-wide figureread your own land →
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