Summitview, Washington, 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.
Reliable performers under these conditions include cabbage, pawpaw, california poppy, and collard greens; what your own ground favors still comes down to its soil, sun, and drainage.
Even in Summitview, 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 Summitview 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 Summitview — soil, climate, flood, and parcel records. How we handle your address.
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Summitview — the short answer
Summitview, Washington: USDA zone 7a, about 207 days between hard freezes, across 3K acres of town.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 31
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 24
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~207
- 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 Summitview's average, not your lot's — a low corner or a tree line moves it. Against Summitview's 207-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Summitview
Each reading below is measured for Summitview itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredSummitview runs about 207 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
MeasuredSummitview 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 Summitview is in
Summitview sits in the Columbia Plateau — EPA Level III, inside the wider North American Deserts. That is read at Summitview's own centroid rather than borrowed from Yakima County.
What Grows in Summitview
Every plant below cleared Summitview's own zone 7a and its 207-day season. Each card opens that plant's Washington profile. How we score.






























Is it too late to plant in Summitview?
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 3; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 31 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 24 — 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 Summitview
Closest first, within ~10 miles of Summitview. Listing isn't leaking, and distance isn't exposure.
- HARWOOD GROCERYUnderground Storage Tanks · 1.2 mi
- WEST HILLS MEMORIAL PARKUnderground Storage Tanks · 1.2 mi
- WEST VALLEY SCHOOL DIST FORMER HIGH SCHOOL CAMPUS BOILER BLDUnderground Storage Tanks · 2.1 mi
- YAKIMA COUNTY FIRE DISTRICT NO 12 TIETONUnderground Storage Tanks · 2.2 mi
- WEST VALLEY SCHOOL DISTRICT 208Underground Storage Tanks · 2.2 mi
- TOWN PUMP N PANTRYUnderground Storage Tanks · 2.2 mi
- GROMORE TRADING COMPANYUnderground Storage Tanks · 2.2 mi
- AUTO SPA - AT THE ORCHARDSUnderground Storage Tanks · 2.4 mi
- ERICH E F HECHTUnderground Storage Tanks · 2.4 mi
- CENTURYLINK QCUnderground Storage Tanks · 2.5 mi
- WIDE HOLLOW ELEMENTARYUnderground Storage Tanks · 2.6 mi
- MEADOWBROOK CONVENIENCE CENTERUnderground Storage Tanks · 2.6 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Summitview'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 Summitview.
Sources Checked
within ~10 miles of Summitview
Severity Distribution
within ~10 miles of Summitview
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around Summitview, Underground Storage Tanks runs higher than the national average — 446 sites within ~10 miles of Summitview. That's not a problem with your land — it's information about it.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Summitview
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 Summitview average
Your land is one point inside Summitview
Everything above resolves to Summitview 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 Summitview Average
Summitview Average
- ●USDA Zones 7a, averaged across Summitview
- ●One soil character for all of Summitview
- ●Frost dates read at Summitview's scale: Mar 31 to Oct 24
YOUR Parcel
- ✓Your exact zone, not Summitview's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Summitview
Pull a site-specific report for your exact address in Summitview, Washington — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Summitview averages can't show:
We read public map data around Summitview — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Summitview average
How we know this about Summitview
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 Summitview’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 Summitview
When does frost risk typically end in Summitview?
The last hard freeze (28°F) in Summitview typically lands around Mar 31, 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 21.
When is the first frost in Summitview?
The first hard freeze (28°F) in Summitview typically arrives around Oct 24, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 10, so the watching starts about Sep 24 — about 207 days after the spring freeze cleared.
How long is the growing season in Summitview?
Measured between 28°F hard freezes, Summitview sees about 207 frost-free days — roughly Mar 31 through Oct 24, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 21 to Oct 10, about 172 days.
Is the soil safe to grow vegetables in Summitview?
The federal record around Summitview runs heavier than most — 626 documented sites, mostly Underground Storage Tanks entries (446), the nearest Underground Storage Tanks record about 1.2 miles out — so test the soil before planting food in the ground, and raised beds with clean imported soil grow well in the meantime. Even here, proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what's recorded and where.
How do I protect my plants from frost in Summitview?
From about Sep 24 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 24 (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 24. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Summitview's scale — its 7a band and its 207-day season. Your yard writes its own version of Summitview'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 Summitview’s own scale
6 of the readings below were taken at Summitview's own scale — its own ~207-day season between 28°F freezes, the 2,827 acres it covers and 626 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Summitview's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Summitview's own 28°F hard-freeze dates, about Mar 31 and Oct 24 and the ~207-day span between themNOAA 1991–2020 Climate Normals
- 626 documented contamination sites on the federal record near Summitview, the closest Underground Storage Tanks record about 1.2 miles out from the town centreFederal environmental registers
- Summitview's boundary and the 2,827 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~207-day seasonGrowable Ground crop-matching engine
- The ecoregion at Summitview's own centroid, the Columbia PlateauUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Summitview's 2,827 acres read through its county's SSURGO summaryfrom Yakima County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Yakima 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 Yakima County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Summitview's 2,827 acreswhy one lot differs from the next →
- Which side of Summitview you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 2,827 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 Summitview-wide figureread your own land →
