Moro, Oregon, sits in USDA hardiness zone 7a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Among the crops suited to this profile: cabbage, pawpaw, california poppy, and collard greens. The site-level story — soil, sun, drainage — decides the rest.
Even in Moro, 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 Moro 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 Moro — soil, climate, flood, and parcel records. How we handle your address.
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Moro — the short answer
Moro, Oregon: USDA zone 7a, about 201 days between hard freezes, across 317 acres of city.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 13
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 31
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~201
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 317 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 Moro's average, not your lot's — a low corner or a tree line moves it. Against Moro's 201-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Moro
Each reading below is measured for Moro itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredMoro runs about 201 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
MeasuredMoro 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 Moro is in
Moro sits in the Columbia Plateau — EPA Level III, inside the wider North American Deserts. That is read at Moro's own centroid rather than borrowed from Sherman County.
What Grows in Moro
Every plant below cleared Moro's own zone 7a and its 201-day season. Each card opens that plant's Oregon profile. How we score.
Is it too late to plant in Moro?
Too late for some crops, right on time for others — a growing season is a sequence, not a deadline. Cool-season crops can go in from around Mar 16; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 13 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 31 — 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.
Documented around Moro
Survey cells within 31 miles of Moro checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 540 miles off. What to watch for.
What's on the federal record near Moro
Closest first, within ~10 miles of Moro. Listing isn't leaking, and distance isn't exposure.
- OLD BUS BARN SHERMAN COUNTY SCHOOL DISTUnderground Storage Tanks · 75 ft
- SHERMAN HIGH SCHOOLUnderground Storage Tanks · 200 ft
- AT&T - MORO TD-2 MOROORQ1770Underground Storage Tanks · 200 ft
- BAR JJ RANCHUnderground Storage Tanks · 200 ft
- MORO MEDICAL CLINICUnderground Storage Tanks · 500 ft
- KURT'S KORNERSUnderground Storage Tanks · 750 ft
- WHITE FARM EQUIPMENTUnderground Storage Tanks · 900 ft
- ODOT MORO MAINTENANCE/MORO STOCKPILEUnderground Storage Tanks · 1000 ft
- MID COLUMBIA PRODUCERS INCUnderground Storage Tanks · 1100 ft
- SHERMAN COUNTY ROAD DEPARTMENTUnderground Storage Tanks · 1100 ft
- SHERMAN COUNTYUnderground Storage Tanks · 1200 ft
- MID COLUMBIA PRODUCERS INCBrownfields · 7.5 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Moro'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 Moro.
Severity Distribution
within ~10 miles of Moro
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Moro, Underground Storage Tanks runs higher than the national average — 21 sites within ~10 miles of Moro. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
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 Moro
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 Moro average
Your land is one point inside Moro
Everything above resolves to Moro as a whole — one PHZM band and one 28°F frost record, read across 317 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 Moro Average
Moro Average
- ●USDA Zones 7a, averaged across Moro
- ●One soil character for all of Moro
- ●Frost dates read at Moro's scale: Apr 13 to Oct 31
YOUR Parcel
- ✓Your exact zone, not Moro's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Moro
Pull a site-specific report for your exact address in Moro, Oregon — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Moro averages can't show:
We read public map data around Moro — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Moro average
How we know this about Moro
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 Moro’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 Moro
When does frost risk typically end in Moro?
The last hard freeze (28°F) in Moro typically lands around Apr 13, 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 4.
When is the first frost in Moro?
The first hard freeze (28°F) in Moro typically arrives around Oct 31, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 17, so the watching starts about Oct 1 — about 201 days after the spring freeze cleared.
How long is the growing season in Moro?
Measured between 28°F hard freezes, Moro sees about 201 frost-free days — roughly Apr 13 through Oct 31, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 4 to Oct 17, about 166 days.
Is the soil safe to grow vegetables in Moro?
The federal record around Moro is light — 25 documented sites across the 9 federal source types we checked, mostly Underground Storage Tanks entries (21), the nearest Underground Storage Tanks record under a tenth of a mile 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 Moro?
From about Oct 1 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 31 (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 31. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Moro's scale — its 7a band and its 201-day season. Your yard writes its own version of Moro'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 Moro’s own scale
7 of the readings below were taken at Moro's own scale — its own ~201-day season between 28°F freezes, the 317 acres it covers and 25 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Moro's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Moro's own 28°F hard-freeze dates, about Apr 13 and Oct 31 and the ~201-day span between themNOAA 1991–2020 Climate Normals
- 25 documented contamination sites on the federal record near Moro, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Moro's boundary and the 317 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~201-day seasonGrowable Ground crop-matching engine
- The ecoregion at Moro's own centroid, the Columbia PlateauUS EPA Level III Ecoregions
- Lanternfly survey cells around Moro checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Moro's 317 acres read through its county's SSURGO summaryfrom Sherman County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Sherman County
- The growing challenges every Oregon grower plans around — written at state scale, so they stay on the state guidefrom Oregon
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Sherman County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Moro's 317 acreswhy one lot differs from the next →
- Which side of Moro you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 317 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record under a tenth of a mile 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 Moro-wide figureread your own land →
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