Forest Park, Oklahoma, sits in USDA hardiness zone 7b — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
On paper, cabbage, prickly pear, california poppy, and collard greens all suit these conditions — on the ground, soil, sun, and drainage make the final call.
Even in Forest Park, 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 Forest Park 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 Forest Park — soil, climate, flood, and parcel records. How we handle your address.
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Forest Park — the short answer
Forest Park, Oklahoma: USDA zone 7b, about 249 days between hard freezes, across 1K acres of town.
- USDA zone
- 7b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 14
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 18
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~249
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 1K 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 7b is Forest Park's average, not your lot's — a low corner or a tree line moves it. Against Forest Park's 249-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Forest Park
Each reading below is measured for Forest Park itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredForest Park runs about 249 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
MeasuredForest Park sits in USDA hardiness zone 7b.
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 Forest Park is in
Forest Park sits in the Cross Timbers — EPA Level III, inside the wider Great Plains. That is read at Forest Park's own centroid rather than borrowed from Oklahoma County.
What Grows in Forest Park
Every plant below cleared Forest Park's own zone 7b and its 249-day season. Each card opens that plant's Oklahoma profile. How we score.
Is it too late to plant in Forest Park?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Feb 14; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 14 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 18 — long-season crops need about 90 days of runway, quick greens only 30. There is slack in a calendar like this — late plantings, second rounds of favorites, and a fall bench that keeps beds working.
What's on the federal record near Forest Park
Closest first, within ~10 miles of Forest Park. Listing isn't leaking, and distance isn't exposure.
- 12N-02W-18 DDC 1Nitrate · 1000 ft
- Pikes Car WashUnderground Storage Tanks · 1700 ft
- Twin Hills Golf & Country ClubUnderground Storage Tanks · 2200 ft
- 12N-02W-19 BBB 1Nitrate · 0.6 mi
- Cochrane-StewartUnderground Storage Tanks · 0.8 mi
- Circle K #2703984Underground Storage Tanks · 0.8 mi
- 12N-02W-20 BAA 1Nitrate · 0.8 mi
- PHILLIPS SS#21878Brownfields · 0.8 mi
- Gilbert Central CorporationUnderground Storage Tanks · 0.9 mi
- 12N-03W-24 AAB 1Nitrate · 0.9 mi
- VANCE BROTHERS INCToxics Release Inventory · 1.0 mi
- Village ToursUnderground Storage Tanks · 1.1 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Forest Park'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 Forest Park.
Sources Checked
within ~10 miles of Forest Park
Severity Distribution
within ~10 miles of Forest Park
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Forest Park, Underground Storage Tanks runs higher than the national average — 1,808 sites within ~10 miles of Forest Park. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around 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 Forest Park
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 Forest Park average
Your land is one point inside Forest Park
Everything above resolves to Forest Park as a whole — one PHZM band and one 28°F frost record, read across 1K 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 Forest Park Average
Forest Park Average
- ●USDA Zones 7b, averaged across Forest Park
- ●One soil character for all of Forest Park
- ●Frost dates read at Forest Park's scale: Mar 14 to Nov 18
YOUR Parcel
- ✓Your exact zone, not Forest Park's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Forest Park
Pull a site-specific report for your exact address in Forest Park, Oklahoma — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Forest Park averages can't show:
We read public map data around Forest Park — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Forest Park average
How we know this about Forest Park
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 Forest Park’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 Forest Park
When does frost risk typically end in Forest Park?
The last hard freeze (28°F) in Forest Park typically lands around Mar 14, 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 4.
When is the first frost in Forest Park?
The first hard freeze (28°F) in Forest Park typically arrives around Nov 18, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 4, so the watching starts about Oct 19 — about 249 days after the spring freeze cleared.
How long is the growing season in Forest Park?
Measured between 28°F hard freezes, Forest Park sees about 249 frost-free days — roughly Mar 14 through Nov 18, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 4 to Nov 4, about 214 days.
Is the soil safe to grow vegetables in Forest Park?
The federal record around Forest Park runs heavier than most — 2,827 documented sites, mostly Underground Storage Tanks entries (1,808), the nearest Nitrate record about 0.2 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 Forest Park?
From about Oct 19 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 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 Nov 18. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Forest Park's scale — its 7b band and its 249-day season. Your yard writes its own version of Forest Park'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 Forest Park’s own scale
6 of the readings below were taken at Forest Park's own scale — its own ~249-day season between 28°F freezes, the 1,202 acres it covers and 2,827 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Forest Park's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Forest Park's own 28°F hard-freeze dates, about Mar 14 and Nov 18 and the ~249-day span between themNOAA 1991–2020 Climate Normals
- 2,827 documented contamination sites on the federal record near Forest Park, the closest Nitrate record about 0.2 miles out from the town centreFederal environmental registers
- Forest Park's boundary and the 1,202 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~249-day seasonGrowable Ground crop-matching engine
- The ecoregion at Forest Park's own centroid, the Cross TimbersUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Forest Park's 1,202 acres read through its county's SSURGO summaryfrom Oklahoma County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Oklahoma County
- The growing challenges every Oklahoma grower plans around — written at state scale, so they stay on the state guidefrom Oklahoma
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Oklahoma County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Forest Park's 1,202 acreswhy one lot differs from the next →
- Which side of Forest Park you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,202 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate record about 0.2 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 Forest Park-wide figureread your own land →
More in Oklahoma
Wider growing context
What grows across OklahomaForest Park sits outside our named growing regions, so Oklahoma as a whole is its closest context here.
Nearby growing guides