Gold Bar, Washington, sits in USDA hardiness zone 8b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
These conditions suit cabbage, fig, california poppy, and collard greens — a starting list any specific site will trim or extend with its own soil, sun, and drainage.
Even in Gold 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 Gold 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 Gold Bar — soil, climate, flood, and parcel records. How we handle your address.
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Gold Bar — the short answer
Gold Bar, Washington: USDA zone 8b, about 263 days between hard freezes, across 678 acres of city.
- USDA zone
- 8b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 3
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 21
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~263
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 678 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 8b is Gold Bar's average, not your lot's — a low corner or a tree line moves it. Against Gold Bar's 263-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Gold Bar
Each reading below is measured for Gold Bar itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredGold Bar runs about 263 days between hard freezes — 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
MeasuredGold Bar sits in USDA hardiness zone 8b.
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 Gold Bar is in
Gold Bar sits in the Puget Lowland — EPA Level III, inside the wider Marine West Coast Forest. That is read at Gold Bar's own centroid, and it is not what its county reads: Snohomish County is mostly North Cascades. The wider page above you is answering a different question about different ground.
What Grows in Gold Bar
Every plant below cleared Gold Bar's own zone 8b and its 263-day season. Each card opens that plant's Washington profile. How we score.






























Is it too late to plant in Gold Bar?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Feb 3; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 3 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 21 — long-season crops need about 90 days of runway, quick greens only 30. Here the calendar nearly circles: cool-season crops take the winter shift, and the next window is always close.
What's on the federal record near Gold Bar
Closest first, within ~10 miles of Gold Bar. Listing isn't leaking, and distance isn't exposure.
- LOTH LUMBER COMPANY INCUnderground Storage Tanks · 2000 ft
- GOLD BAR MARKETUnderground Storage Tanks · 2600 ft
- JACKPOT STATION 165Underground Storage Tanks · 0.6 mi
- MANN PETROLEUMUnderground Storage Tanks · 0.6 mi
- HARRY MINOGUE/GOLD BAR GAS & GROCERYUnderground Storage Tanks · 0.6 mi
- GOLD BAR CITY OFUnderground Storage Tanks · 0.6 mi
- 27N/09E-05C01Nitrate · 0.6 mi
- WALLACE FALLS STATE PARKUnderground Storage Tanks · 0.8 mi
- SNOHOMISH COUNTY FIRE DIST 26Underground Storage Tanks · 0.9 mi
- 27N/09E-05Q02Nitrate · 1.1 mi
- 27N/09E-04L01Nitrate · 1.3 mi
- WA DFW SKYKOMISH SALMON HATCHERYUnderground Storage Tanks · 1.5 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Gold 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 Gold Bar.
Total Sites
136
within ~10 miles of Gold Bar
Risk Level
Elevated
Highest-severity
2 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Gold Bar
Severity Distribution
within ~10 miles of Gold Bar
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around Gold Bar, two things run higher than the national average within ~10 miles of Gold Bar — Mining (49 sites) and Nitrate (38 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Mining: Mining sites — both historic and active — can leach heavy metals (arsenic, lead, cadmium, mercury) into soil and water for centuries after operations cease.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Test soil for heavy metals (lead, arsenic, cadmium, mercury) — this is essential near any mining site.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check your specific parcel in Gold 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 Gold Bar average
Your land is one point inside Gold Bar
Everything above resolves to Gold Bar as a whole — one PHZM band and one 28°F frost record, read across 678 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 city 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 Gold Bar Average
Gold Bar Average
- ●USDA Zones 8b, averaged across Gold Bar
- ●One soil character for all of Gold Bar
- ●Frost dates read at Gold Bar's scale: Mar 3 to Nov 21
YOUR Parcel
- ✓Your exact zone, not Gold Bar's 8b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Gold Bar
Pull a site-specific report for your exact address in Gold Bar, Washington — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Gold Bar averages can't show:
We read public map data around Gold Bar — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Gold Bar average
How we know this about Gold Bar
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this city’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Gold 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 city grain anywhere on this page — there is no city-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 Gold Bar
When does frost risk typically end in Gold Bar?
The last hard freeze (28°F) in Gold Bar typically lands around Mar 3, 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 24.
When is the first frost in Gold Bar?
The first hard freeze (28°F) in Gold Bar typically arrives around Nov 21, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 7, so the watching starts about Oct 22 — about 263 days after the spring freeze cleared.
How long is the growing season in Gold Bar?
Measured between 28°F hard freezes, Gold Bar sees about 263 frost-free days — roughly Mar 3 through Nov 21, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 24 to Nov 7, about 228 days.
Is the soil safe to grow vegetables in Gold Bar?
The federal record around Gold Bar is a meaningful one — 136 documented sites, mostly Mining entries (49), the nearest Underground Storage Tanks record about 0.4 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 Gold Bar?
From about Oct 22 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 21 (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 21. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Gold Bar's scale — its 8b band and its 263-day season. Your yard writes its own version of Gold 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 Gold Bar’s own scale
6 of the readings below were taken at Gold Bar's own scale — its own ~263-day season between 28°F freezes, the 678 acres it covers and 136 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Gold Bar's own USDA hardiness band, zones 8bUSDA PHZM 2023
- Gold Bar's own 28°F hard-freeze dates, about Mar 3 and Nov 21 and the ~263-day span between themNOAA 1991–2020 Climate Normals
- 136 documented contamination sites on the federal record near Gold Bar, the closest Underground Storage Tanks record about 0.4 miles out from the town centreFederal environmental registers
- Gold Bar's boundary and the 678 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8b and a ~263-day seasonGrowable Ground crop-matching engine
- Gold Bar sits in the Puget Lowland — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Gold Bar's 678 acres read through its county's SSURGO summaryfrom Snohomish County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Snohomish 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 Snohomish County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Gold Bar's 678 acreswhy one lot differs from the next →
- Which side of Gold 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 678 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.4 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 Gold Bar-wide figureread your own land →
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