Ashford, Washington, sits in USDA hardiness zone 8a — a zone band wide enough that plant choice, not possibility, is the interesting question.
Growers here do well with cabbage, fig, california poppy, and collard greens — with the usual caveat that any single yard's soil, sun, and drainage cast the deciding vote.
Even in Ashford, 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 Ashford 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 Ashford — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Ashford — the short answer
Ashford, Washington: USDA zone 8a, about 212 days between hard freezes, across 2K acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 6
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 4
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~212
- 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 8a is Ashford's average, not your lot's — a low corner or a tree line moves it. Against Ashford's 212-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Ashford
Each reading below is measured for Ashford itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredAshford runs about 212 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
MeasuredAshford sits in USDA hardiness zone 8a.
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 Ashford is in
Ashford sits in the Cascades — EPA Level III, inside the wider Northwestern Forested Mountains. That is read at Ashford's own centroid rather than borrowed from Pierce County.
What Grows in Ashford
Every plant below cleared Ashford's own zone 8a and its 212-day season. Each card opens that plant's Washington profile. How we score.






























Is it too late to plant in Ashford?
Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Mar 9; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 6 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 4 — long-season crops need about 90 days of runway, quick greens only 30. A long window like this one runs successions deep into fall — and even its last weeks take quick greens and garlic.
What's on the federal record near Ashford
Closest first, within ~10 miles of Ashford. Listing isn't leaking, and distance isn't exposure.
- SAMSUNG GLORIAUnderground Storage Tanks · 1.2 mi
- 15N/06E-30E01 SU-022Nitrate · 4.0 mi
- 15N/05E-25F01Nitrate · 5.1 mi
- Mineral CreekMining · 7.3 mi
- Mineral Creek MineMining · 7.5 mi
- MINERAL MARKETUnderground Storage Tanks · 8.3 mi
- MINERAL BUS GARAGEUnderground Storage Tanks · 8.4 mi
- WA DOT Elbe Rest AreaUnderground Storage Tanks · 8.5 mi
- Mashel River ProspectMining · 8.7 mi
- ELBE MALLUnderground Storage Tanks · 8.7 mi
- 14N/05E-17B01Nitrate · 9.4 mi
- 15N/08E-33D04 WELL CNitrate · 9.5 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Ashford'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 Ashford.
Sources Checked
within ~10 miles of Ashford
Severity Distribution
within ~10 miles of Ashford
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around Ashford, two things run higher than the national average within ~10 miles of Ashford — Mining (4 sites) and Nitrate (16 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
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 Ashford
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 Ashford average
Your land is one point inside Ashford
Everything above resolves to Ashford 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 Ashford Average
Ashford Average
- ●USDA Zones 8a, averaged across Ashford
- ●One soil character for all of Ashford
- ●Frost dates read at Ashford's scale: Apr 6 to Nov 4
YOUR Parcel
- ✓Your exact zone, not Ashford's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Ashford
Pull a site-specific report for your exact address in Ashford, Washington — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Ashford averages can't show:
We read public map data around Ashford — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Ashford average
How we know this about Ashford
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 Ashford’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 Ashford
When does frost risk typically end in Ashford?
The last hard freeze (28°F) in Ashford typically lands around Apr 6, 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 Apr 27.
When is the first frost in Ashford?
The first hard freeze (28°F) in Ashford typically arrives around Nov 4, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 21, so the watching starts about Oct 5 — about 212 days after the spring freeze cleared.
How long is the growing season in Ashford?
Measured between 28°F hard freezes, Ashford sees about 212 frost-free days — roughly Apr 6 through Nov 4, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 27 to Oct 21, about 177 days.
Is the soil safe to grow vegetables in Ashford?
The federal record around Ashford shows 30 documented sites, mostly Nitrate entries (16), the nearest Underground Storage Tanks record about 1.2 miles out — a typical footprint for a growing area, and proximity to a documented site is information, not a diagnosis of any one yard. It's worth seeing which recorded sites sit closest to where you grow, and testing the soil before new food beds near any of them.
How do I protect my plants from frost in Ashford?
From about Oct 5 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 4 (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 4. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Ashford's scale — its 8a band and its 212-day season. Your yard writes its own version of Ashford'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 Ashford’s own scale
6 of the readings below were taken at Ashford's own scale — its own ~212-day season between 28°F freezes, the 1,579 acres it covers and 30 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Ashford's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Ashford's own 28°F hard-freeze dates, about Apr 6 and Nov 4 and the ~212-day span between themNOAA 1991–2020 Climate Normals
- 30 documented contamination sites on the federal record near Ashford, the closest Underground Storage Tanks record about 1.2 miles out from the town centreFederal environmental registers
- Ashford's boundary and the 1,579 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~212-day seasonGrowable Ground crop-matching engine
- The ecoregion at Ashford's own centroid, the CascadesUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Ashford's 1,579 acres read through its county's SSURGO summaryfrom Pierce County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Pierce 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 Pierce County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Ashford's 1,579 acreswhy one lot differs from the next →
- Which side of Ashford you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,579 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 1.2 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 Ashford-wide figureread your own land →
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