What Grows in Kaycee, Wyoming

USDA Zones 5a-6b · 281 acres

Kaycee, Wyoming, sits in USDA hardiness zones 5a-6b — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.

A short list that earns its place here — potato, indian paintbrush, cottonwood, and rhubarb — with any one site's soil, sun, and drainage making the final cut.

Score your parcel · free

Even in Kaycee, 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 Kaycee lot. Enter your address and we'll score 1,112 plants against your land's actual soil, sun, and frost.

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

No card required · your full report in seconds

Quick Facts

USDA Zones

5a-6b

Last Hard Freeze (28°F)

Apr 26

Town normal — light frosts run a few weeks later

First Hard Freeze (28°F)

Oct 16

Town normal — light frosts arrive a few weeks earlier

Town Area

281 acres

Hardiness Zone Range

5a
6b
3a (Cold)13b (Hot)

Zone maps are averages across Kaycee. Your yard's slope, trees, and frost pockets shift what actually grows — see your land's exact reading.

Soil varies lot by lot — soil types explained.

What Grows in Kaycee

Plants matched to Kaycee's USDA zones 5a-6b — each links to its full growing profile.

Is it too late to plant in Kaycee?

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 29; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 26 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 16 — 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.

Growing Challenges in Wyoming

What an experienced grower plans around here — each one has a move.

Extremely short growing season (60-90 frost-free days)

At 60-90 frost-free days, a greenhouse or high tunnel isn't optional equipment — it's where the season actually happens.

Very low rainfall requires irrigation

Drip irrigation under mulch makes scarce water go the distance — build the system before the first bed.

Persistent high winds desiccate and damage plants

Windbreaks first, plants second — a sheltered bed loses a fraction of the moisture an exposed one does.

For cultivar selection, pest pressure, and planting-time guidance specific to Wyoming, the University of Wyoming Extension is the authoritative local source.

Environmental Intelligence

Understanding what's nearby helps you make informed decisions about where and how to grow.

Total Sites

44

within ~10 miles of Kaycee

Risk Level

Low

Highest-severity

1 brownfield site

Severity Distribution

within ~10 miles of Kaycee

High0Moderate34Low10

Highest-Severity Sites

42-083-03bba01
Nitrate Monitoring · Well
42-083-03bba01
Nitrate Monitoring · Well
42N 082W 14cad01
Nitrate Monitoring · Well
42N 082W 14cad01
Nitrate Monitoring · Well
43-080-20cc 02
Nitrate Monitoring · Well

A note from Gnorman

What an experienced grower watches for around here

In and around Kaycee, Nitrate runs higher than the national average — 32 sites nearby. That's not a problem with your land — it's information about it.

Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.

Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).

Free Report

Check your specific parcel in Kaycee

Get exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,112 plant recommendations.

Three things about your exact spot that zone averages miss:

Your soil pHYour frost-free daysYour sun & shade

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources analyzed in seconds

Your Specific Parcel Matters

Kaycee Average

  • USDA Zones 5a-6b
  • Generic soil type for the area
  • State-average frost dates

YOUR Parcel

  • Your exact hardiness zone
  • Your SSURGO soil type & pH
  • Your sun exposure, cast in 3D

See MY Growing Report

Free Report

Read your specific parcel in Kaycee

Pull a site-specific report for your exact address in Kaycee, Wyoming — soil, sun, drainage, frost risk, and scored plant recommendations.

Three things about your exact spot that zone averages miss:

Your soil pHYour frost-free daysYour sun & shade

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources analyzed in seconds

Key Growing Facts for Kaycee, Wyoming

  • USDA Hardiness Zones: 5a-6b (USDA PHZM 2023)
  • Last Hard Freeze (28°F): Apr 26 (town normal, NOAA 1991–2020 Climate Normals — light frosts can follow for a few weeks)
  • First Hard Freeze (28°F): Oct 16 (town normal, NOAA 1991–2020 Climate Normals — light frosts can arrive a few weeks earlier)
  • Days Between Hard Freezes: ~173 (town normal, NOAA 1991–2020 Climate Normals)
  • Land Area: 281 acres (US Census TIGER 2025)

Zone data: USDA ARS Plant Hardiness Zone Map 2023. Climate data: NOAA NCEI. Boundaries: US Census TIGER/Line 2025.

Frequently Asked Questions

What hardiness zone is Kaycee, Wyoming?

Kaycee sits in USDA hardiness zones 5a-6b, per the USDA Plant Hardiness Zone Map 2023. Zones reflect average annual extreme minimum temperatures from 1991–2020 weather data.

Is it too late to plant in Kaycee?

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 29; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 26 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 16 — 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.

When does frost risk typically end in Kaycee?

The last hard freeze (28°F) in Kaycee typically lands around Apr 26, per NOAA 1991–2020 climate normals — an earlier marker than the light-frost dates many planting charts quote. That marks the hard freeze, not the last light frost — light frosts can still bite for a few more weeks, so tender transplants usually wait another 2–3 weeks.

When is the first frost in Kaycee?

The first hard freeze (28°F) in Kaycee typically arrives around Oct 16, per NOAA 1991–2020 climate normals — the point most tender summer crops finish. Lighter frosts usually reach a couple of weeks earlier, so watch the forecast from late summer on and harvest or cover tender plants before the first cold night.

What vegetables grow in Kaycee?

Kaycee's zones 5a-6b support a wide range — strong performers include Potato, Indian Paintbrush, Cottonwood, Rhubarb, and Chokecherry. What actually takes on any one site comes down to its soil, sun, and drainage, and we score each plant against the real conditions at your address.

Which hardiness zone is Kaycee, really?

Officially, Kaycee sits in USDA zones 5a-6b (USDA PHZM 2023) — but a zone is a 30-year average of winter's coldest night across an area, and it can't see any one yard. A south-facing slope, a tree line, or a low frost pocket can shift a single site by half a zone either way, which is why neighboring gardeners often quote different numbers. We read the conditions at your exact address — soil, sun, slope, and frost — and score 1,112 plants against what's actually there.

Is the soil safe to grow vegetables in Kaycee?

The federal record around Kaycee is light — 44 documented sites across the 9 federal source types we checked — 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 Kaycee?

As the season closes around the first 28°F hard freeze near Oct 16 (NOAA 1991–2020 climate normals), a few moves buy time: cover tender plants with floating row cover or an old sheet on still, clear nights, water the soil the afternoon before a freeze so it holds warmth overnight, and harvest frost-tender crops like tomatoes, peppers, and basil before the first hard night. Hardy greens and root crops shrug off light frost and often sweeten after it, so leave them in.

Everything on this page is a Kaycee average. Your yard writes its own version — we read soil, sun, drainage, and frost at your exact address. Try it for 14 days — no card required.