Wyaconda, Missouri, sits in USDA hardiness zone 6a — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
Crops well matched to these conditions include cabbage, hazelnut, lavender, and collard greens — though what thrives on any one site still turns on its specific soil, sun, and drainage.
Even in Wyaconda, 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 Wyaconda 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 Wyaconda — soil, climate, flood, and parcel records. How we handle your address.
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Wyaconda — the short answer
Wyaconda, Missouri: USDA zone 6a, about 214 days between hard freezes, across 412 acres of city.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 2
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 2
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~214
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 412 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 6a is Wyaconda's average, not your lot's — a low corner or a tree line moves it. Against Wyaconda's 214-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Wyaconda
Each reading below is measured for Wyaconda itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredWyaconda runs about 214 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
MeasuredWyaconda sits in USDA hardiness zone 6a.
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 Wyaconda is in
Wyaconda sits in the Central Irregular Plains — EPA Level III, inside the wider Great Plains. That is read at Wyaconda's own centroid rather than borrowed from Clark County.
What Grows in Wyaconda
Every plant below cleared Wyaconda's own zone 6a and its 214-day season. Each card opens that plant's Missouri profile. How we score.
Is it too late to plant in Wyaconda?
For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Mar 5; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 2 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 2 — 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 Wyaconda
Closest first, within ~10 miles of Wyaconda. Listing isn't leaking, and distance isn't exposure.
- CARTERS GARAGEUnderground Storage Tanks · 700 ft
- WYACONDA STATIONUnderground Storage Tanks · 850 ft
- WYACONDA CI HIGH SCHOOLBrownfields · 1400 ft
- WYACONDA C-1 SCHOOLSUnderground Storage Tanks · 1500 ft
- HODGES AG, LLCCAFO · 1.7 mi
- T65N R08W 20DBB1Nitrate · 2.2 mi
- EARL OBERHOLTZER FARMCAFO · 2.8 mi
- FLINT RIDGE FARMSCAFO · 3.3 mi
- T65N R09W 36BCC1Nitrate · 3.9 mi
- T65N R09W 23DDD1Nitrate · 4.1 mi
- HAMNERS 66Underground Storage Tanks · 4.6 mi
- LURAY MAINT LOTUnderground Storage Tanks · 4.7 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Wyaconda'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 Wyaconda.
Total Sites
32
within ~10 miles of Wyaconda
Risk Level
Moderate
Highest-severity
4 concentrated animal feeding operations
Sources Checked
within ~10 miles of Wyaconda
Severity Distribution
within ~10 miles of Wyaconda
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Wyaconda, two things run higher than the national average within ~10 miles of Wyaconda — CAFO (4 sites) and Nitrate (16 sites). That's not a problem with your land — it's information about it.
CAFO: CAFOs pose a different contamination profile than chemical sources.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Wash all produce consumed raw thoroughly, especially leafy greens grown near CAFOs.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check your specific parcel in Wyaconda
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 Wyaconda average
Your land is one point inside Wyaconda
Everything above resolves to Wyaconda as a whole — one PHZM band and one 28°F frost record, read across 412 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 Wyaconda Average
Wyaconda Average
- ●USDA Zones 6a, averaged across Wyaconda
- ●One soil character for all of Wyaconda
- ●Frost dates read at Wyaconda's scale: Apr 2 to Nov 2
YOUR Parcel
- ✓Your exact zone, not Wyaconda's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Wyaconda
Pull a site-specific report for your exact address in Wyaconda, Missouri — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Wyaconda averages can't show:
We read public map data around Wyaconda — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Wyaconda average
How we know this about Wyaconda
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 Wyaconda’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 Wyaconda
When does frost risk typically end in Wyaconda?
The last hard freeze (28°F) in Wyaconda typically lands around Apr 2, 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 23.
When is the first frost in Wyaconda?
The first hard freeze (28°F) in Wyaconda typically arrives around Nov 2, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 19, so the watching starts about Oct 3 — about 214 days after the spring freeze cleared.
How long is the growing season in Wyaconda?
Measured between 28°F hard freezes, Wyaconda sees about 214 frost-free days — roughly Apr 2 through Nov 2, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 23 to Oct 19, about 179 days.
Is the soil safe to grow vegetables in Wyaconda?
The federal record around Wyaconda shows 32 documented sites, mostly Nitrate entries (16), the nearest Underground Storage Tanks record about 0.1 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 Wyaconda?
From about Oct 3 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 2 (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 2. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Wyaconda's scale — its 6a band and its 214-day season. Your yard writes its own version of Wyaconda'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 Wyaconda’s own scale
6 of the readings below were taken at Wyaconda's own scale — its own ~214-day season between 28°F freezes, the 412 acres it covers and 32 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Wyaconda's own USDA hardiness band, zones 6aUSDA PHZM 2023
- Wyaconda's own 28°F hard-freeze dates, about Apr 2 and Nov 2 and the ~214-day span between themNOAA 1991–2020 Climate Normals
- 32 documented contamination sites on the federal record near Wyaconda, the closest Underground Storage Tanks record about 0.1 miles out from the town centreFederal environmental registers
- Wyaconda's boundary and the 412 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~214-day seasonGrowable Ground crop-matching engine
- The ecoregion at Wyaconda's own centroid, the Central Irregular PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Wyaconda's 412 acres read through its county's SSURGO summaryfrom Clark County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Clark County
- The growing challenges every Missouri grower plans around — written at state scale, so they stay on the state guidefrom Missouri
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Clark County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Wyaconda's 412 acreswhy one lot differs from the next →
- Which side of Wyaconda you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 412 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.1 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 Wyaconda-wide figureread your own land →
More in Missouri
Wider growing context
What grows across MissouriWyaconda sits outside our named growing regions, so Missouri as a whole is its closest context here.
Nearby growing guides