Crescent Bar, Washington, sits in USDA hardiness zone 7b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Reliable performers under these conditions include cabbage, prickly pear, california poppy, and collard greens; what your own ground favors still comes down to its soil, sun, and drainage.
Even in Crescent Bar, 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 Crescent Bar 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 Crescent Bar — soil, climate, flood, and parcel records. How we handle your address.
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Crescent Bar — the short answer
Crescent Bar, Washington: USDA zone 7b, about 243 days between hard freezes, across 644 acres of town.
- USDA zone
- 7b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 9
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 7
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~243
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 644 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 7b is Crescent Bar's average, not your lot's — a low corner or a tree line moves it. Against Crescent Bar's 243-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Crescent Bar
Each reading below is measured for Crescent Bar itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredCrescent Bar runs about 243 days between hard freezes — a long growing season.
There is slack for succession plantings and slow-finishing crops: many vegetables can be sown twice, and the heat-lovers have time to ripen fully.
Plan a second sowing of quick crops after the first comes out, and use the fall window most gardeners let sit idle.
NOAA 1991–2020 Climate Normals

Winter hardiness
MeasuredCrescent Bar sits in USDA hardiness zone 7b.
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 Crescent Bar is in
Crescent Bar sits in the Columbia Plateau — EPA Level III, inside the wider North American Deserts. That is read at Crescent Bar's own centroid rather than borrowed from Grant County.
What Grows in Crescent Bar
Every plant below cleared Crescent Bar's own zone 7b and its 243-day season. Each card opens that plant's Washington profile. How we score.






























Is it too late to plant in Crescent Bar?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Feb 9; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 9 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 7 — long-season crops need about 90 days of runway, quick greens only 30. Here the season winds down slowly: late sowings, a real autumn harvest, and garlic in the ground before the first hard freeze.
What's on the federal record near Crescent Bar
Closest first, within ~10 miles of Crescent Bar. Listing isn't leaking, and distance isn't exposure.
- TRINIDAD FARMSUnderground Storage Tanks · 1300 ft
- TERRY HULBERTUnderground Storage Tanks · 1600 ft
- CRESCENT BAR INCUnderground Storage Tanks · 0.6 mi
- TRINIDAD TRADING POSTUnderground Storage Tanks · 1.0 mi
- WITCO CORP INORGANIC SPECIAITIES DIVUnderground Storage Tanks · 1.6 mi
- NIDEROST T & A DEHYDRATORUnderground Storage Tanks · 2.4 mi
- CLIFFORD BOORMANUnderground Storage Tanks · 2.8 mi
- BERGERUD & BERGERUDUnderground Storage Tanks · 3.9 mi
- COLUMBIA BASIN NURSERYUnderground Storage Tanks · 4.9 mi
- 20N/23E-24H01Nitrate · 5.5 mi
- MARTIN MCCULLOUGH FARM UNITUnderground Storage Tanks · 5.7 mi
- WILBUR ELLIS QUINCYBrownfields · 5.7 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Crescent Bar'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 Crescent Bar.
Total Sites
107
within ~10 miles of Crescent Bar
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Crescent Bar
Severity Distribution
within ~10 miles of Crescent Bar
Highest-Severity Sites
Know Before You Grow
- •Underground tanks leak petroleum as they age — near a former filling station, test the soil.
- •On a private well, test for nitrates: above 10 mg/L the water needs treatment before irrigating.
- •Near a brownfield, raised beds of imported soil give your food clean ground.
Check your specific parcel in Crescent Bar
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 Crescent Bar average
Your land is one point inside Crescent Bar
Everything above resolves to Crescent Bar as a whole — one PHZM band and one 28°F frost record, read across 644 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 Crescent Bar Average
Crescent Bar Average
- ●USDA Zones 7b, averaged across Crescent Bar
- ●One soil character for all of Crescent Bar
- ●Frost dates read at Crescent Bar's scale: Mar 9 to Nov 7
YOUR Parcel
- ✓Your exact zone, not Crescent Bar's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Crescent Bar
Pull a site-specific report for your exact address in Crescent Bar, Washington — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Crescent Bar averages can't show:
We read public map data around Crescent Bar — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Crescent Bar average
How we know this about Crescent Bar
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 Crescent Bar’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 Crescent Bar
When does frost risk typically end in Crescent Bar?
The last hard freeze (28°F) in Crescent Bar typically lands around Mar 9, 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 Mar 30.
When is the first frost in Crescent Bar?
The first hard freeze (28°F) in Crescent Bar typically arrives around Nov 7, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 24, so the watching starts about Oct 8 — about 243 days after the spring freeze cleared.
How long is the growing season in Crescent Bar?
Measured between 28°F hard freezes, Crescent Bar sees about 243 frost-free days — roughly Mar 9 through Nov 7, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 30 to Oct 24, about 208 days.
Is the soil safe to grow vegetables in Crescent Bar?
The federal record around Crescent Bar is a meaningful one — 107 documented sites, mostly Underground Storage Tanks entries (64), 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 Crescent Bar?
From about Oct 8 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 Nov 7 (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 Nov 7. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Crescent Bar's scale — its 7b band and its 243-day season. Your yard writes its own version of Crescent Bar'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 Crescent Bar’s own scale
6 of the readings below were taken at Crescent Bar's own scale — its own ~243-day season between 28°F freezes, the 644 acres it covers and 107 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Crescent Bar's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Crescent Bar's own 28°F hard-freeze dates, about Mar 9 and Nov 7 and the ~243-day span between themNOAA 1991–2020 Climate Normals
- 107 documented contamination sites on the federal record near Crescent Bar, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- Crescent Bar's boundary and the 644 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~243-day seasonGrowable Ground crop-matching engine
- The ecoregion at Crescent Bar's own centroid, the Columbia PlateauUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Crescent Bar's 644 acres read through its county's SSURGO summaryfrom Grant County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Grant County
- The growing challenges every Washington grower plans around — written at state scale, so they stay on the state guidefrom Washington
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Grant County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Crescent Bar's 644 acreswhy one lot differs from the next →
- Which side of Crescent Bar you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 644 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 Crescent Bar-wide figureread your own land →
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