Anoka, Minnesota, sits in USDA hardiness zone 4b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
Expect cabbage, cranberry, turkish rocket, and collard greens to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in Anoka, 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 Anoka 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 Anoka — soil, climate, flood, and parcel records. How we handle your address.
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Anoka — the short answer
Anoka, Minnesota: USDA zone 4b, about 182 days between hard freezes, across 4K acres of city.
- USDA zone
- 4b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 19
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 18
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~182
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 4K 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 4b is Anoka's average, not your lot's — a low corner or a tree line moves it. Against Anoka's 182-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Anoka
Each reading below is measured for Anoka itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredAnoka runs about 182 days between hard freezes — a moderate growing season.
There is room for the full run of cool-season crops plus a warm-season main crop, but the calendar is tight enough that a late spring or early fall frost still decides how much finishes.
Time warm-season transplants to your last hard freeze, and a few weeks of season extension turns a near-miss harvest into a sure one.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredAnoka sits in USDA hardiness zone 4b.
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 Anoka is in
Anoka sits in the North Central Hardwood Forests — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Anoka's own centroid rather than borrowed from Anoka County.
What Grows in Anoka
Every plant below cleared Anoka's own zone 4b and its 182-day season. Each card opens that plant's Minnesota profile. How we score.
Is it too late to plant in Anoka?
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 22; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 19 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 18 — long-season crops need about 90 days of runway, quick greens only 30. Even past midsummer there is room for a true fall garden here, and garlic planted near the close carries the momentum into next year.
What's on the federal record near Anoka
Closest first, within ~10 miles of Anoka. Listing isn't leaking, and distance isn't exposure.
- ANOKA COUNTY FAIRGROUNDSBrownfields · 600 ft
- BJERKE TRANSMISSIONBrownfields · 750 ft
- ANOKA RECYCLING & DISPOSAL CENTERBrownfields · 1100 ft
- ALTER-METAL RECYCLINGBrownfields · 1300 ft
- SHADES OF GREENBrownfields · 1900 ft
- A-1 RECYCLINGBrownfields · 2000 ft
- ANOKA REHABILITATION AND LIVING CENTERBrownfields · 2100 ft
- Anoka Metro Regional Treatment Center 4th AvenueUnderground Storage Tanks · 2200 ft
- EDUCATIONAL SERVICE CENTERBrownfields · 2300 ft
- SHERIFFS PATROL STATION FORMERBrownfields · 2300 ft
- Sheriffs Patrol Station FormerUnderground Storage Tanks · 2400 ft
- ANOKA-ANDOVER CHIROPRACTIC PABrownfields · 0.5 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Anoka'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 Anoka.
Sources Checked
within ~10 miles of Anoka
Severity Distribution
within ~10 miles of Anoka
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Anoka, Brownfields runs higher than the national average — 2,652 sites within ~10 miles of Anoka. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Brownfields: Brownfield sites are former commercial or industrial properties where legacy soil contamination (heavy metals, PAHs, petroleum compounds) may persist.
Check EPA brownfield remediation status — many sites have completed cleanup with institutional controls.
Check your specific parcel in Anoka
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 Anoka average
Your land is one point inside Anoka
Everything above resolves to Anoka as a whole — one PHZM band and one 28°F frost record, read across 4K 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 Anoka Average
Anoka Average
- ●USDA Zones 4b, averaged across Anoka
- ●One soil character for all of Anoka
- ●Frost dates read at Anoka's scale: Apr 19 to Oct 18
YOUR Parcel
- ✓Your exact zone, not Anoka's 4b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Anoka
Pull a site-specific report for your exact address in Anoka, Minnesota — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Anoka averages can't show:
We read public map data around Anoka — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Anoka average
How we know this about Anoka
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 Anoka’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 Anoka
When does frost risk typically end in Anoka?
The last hard freeze (28°F) in Anoka typically lands around Apr 19, 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 10.
When is the first frost in Anoka?
The first hard freeze (28°F) in Anoka typically arrives around Oct 18, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 4, so the watching starts about Sep 18 — about 182 days after the spring freeze cleared.
How long is the growing season in Anoka?
Measured between 28°F hard freezes, Anoka sees about 182 frost-free days — roughly Apr 19 through Oct 18, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 10 to Oct 4, about 147 days.
Is the soil safe to grow vegetables in Anoka?
The federal record around Anoka runs heavier than most — 3,647 documented sites, mostly Brownfields entries (2,652), the nearest Brownfields record about 0.1 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 Anoka?
From about Sep 18 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 18 (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 18. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Anoka's scale — its 4b band and its 182-day season. Your yard writes its own version of Anoka'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 Anoka’s own scale
6 of the readings below were taken at Anoka's own scale — its own ~182-day season between 28°F freezes, the 4,268 acres it covers and 3,647 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Anoka's own USDA hardiness band, zones 4bUSDA PHZM 2023
- Anoka's own 28°F hard-freeze dates, about Apr 19 and Oct 18 and the ~182-day span between themNOAA 1991–2020 Climate Normals
- 3,647 documented contamination sites on the federal record near Anoka, the closest Brownfields record about 0.1 miles out from the town centreFederal environmental registers
- Anoka's boundary and the 4,268 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 4b and a ~182-day seasonGrowable Ground crop-matching engine
- The ecoregion at Anoka's own centroid, the North Central Hardwood ForestsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Anoka's 4,268 acres read through its county's SSURGO summaryfrom Anoka County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Anoka County
- The growing challenges every Minnesota grower plans around — written at state scale, so they stay on the state guidefrom Minnesota
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Anoka County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Anoka's 4,268 acreswhy one lot differs from the next →
- Which side of Anoka you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 4,268 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields 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 Anoka-wide figureread your own land →
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