Timber Lakes, Utah, sits in USDA hardiness zone 6a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Among the crops suited to this profile: cabbage, blackberry, california poppy, and collard greens. The site-level story — soil, sun, drainage — decides the rest.
Even in Timber Lakes, 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 Timber Lakes 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 Timber Lakes — soil, climate, flood, and parcel records. How we handle your address.
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Timber Lakes — the short answer
Timber Lakes, Utah: USDA zone 6a, about 129 days between hard freezes, across 6K acres of town.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- May 24
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Sep 30
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~129
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 6K 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 Timber Lakes's average, not your lot's — a low corner or a tree line moves it. Against Timber Lakes's 129-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Timber Lakes
Each reading below is measured for Timber Lakes itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredTimber Lakes runs about 129 days between hard freezes — a short growing season.
Long-maturing crops like melons, sweet potatoes, and winter squash can run out of runway before the first hard freeze, ripening late or not at all.
Lead with fast-maturing varieties, and stretch the season on both ends with cold frames, low tunnels, or a greenhouse.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredTimber Lakes 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 Timber Lakes is in
Timber Lakes sits in the Wasatch and Uinta Mountains — EPA Level III, inside the wider Northwestern Forested Mountains. That is read at Timber Lakes's own centroid rather than borrowed from Wasatch County.
What Grows in Timber Lakes
Every plant below cleared Timber Lakes's own zone 6a and its 129-day season. Each card opens that plant's Utah profile. How we score.
Is it too late to plant in Timber Lakes?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Apr 26; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near May 24 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Sep 30 — long-season crops need about 90 days of runway, quick greens only 30. When the window is tight, the fall moves are quick ones — baby greens, radishes, and garlic set for next season.
Documented around Timber Lakes
Spotted lanternfly documented 5 miles from Timber Lakes, first recorded 2020. What to watch for.
What's on the federal record near Timber Lakes
Closest first, within ~10 miles of Timber Lakes. Listing isn't leaking, and distance isn't exposure.
- (D- 4- 5) 1ddd- 1Nitrate · 3.7 mi
- (D- 4- 5)14aac- 1Nitrate · 4.5 mi
- (D- 4- 5)11aaa- 1Nitrate · 4.6 mi
- (D- 4- 5) 2acb- 1Nitrate · 5.1 mi
- (D- 4- 5)14bbb- 1Nitrate · 5.2 mi
- R. WELLS TAP FROM WELL SOURCENitrate · 5.3 mi
- D. SWEAT TAP FROM WELL SOURCENitrate · 5.5 mi
- D. THOMAS TAP FROM WELL SOURCENitrate · 5.6 mi
- (D- 4- 5)15bbb- 1Nitrate · 6.3 mi
- J. PINTER TAP FROM WELL SOURCENitrate · 6.5 mi
- (D- 4- 5)21adb- 1Nitrate · 6.6 mi
- HWY PATROL STA NO1332 TAP FROM WELL SOURCENitrate · 6.7 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Timber Lakes'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 Timber Lakes.
Total Sites
145
within ~10 miles of Timber Lakes
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Timber Lakes
Severity Distribution
within ~10 miles of Timber Lakes
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Timber Lakes, Nitrate runs higher than the national average — 92 sites within ~10 miles of Timber Lakes. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
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).
Check your specific parcel in Timber Lakes
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 Timber Lakes average
Your land is one point inside Timber Lakes
Everything above resolves to Timber Lakes as a whole — one PHZM band and one 28°F frost record, read across 6K 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 Timber Lakes Average
Timber Lakes Average
- ●USDA Zones 6a, averaged across Timber Lakes
- ●One soil character for all of Timber Lakes
- ●Frost dates read at Timber Lakes's scale: May 24 to Sep 30
YOUR Parcel
- ✓Your exact zone, not Timber Lakes's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Timber Lakes
Pull a site-specific report for your exact address in Timber Lakes, Utah — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Timber Lakes averages can't show:
We read public map data around Timber Lakes — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Timber Lakes average
How we know this about Timber Lakes
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 Timber Lakes’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 Timber Lakes
When does frost risk typically end in Timber Lakes?
The last hard freeze (28°F) in Timber Lakes typically lands around May 24, 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 Jun 14.
When is the first frost in Timber Lakes?
The first hard freeze (28°F) in Timber Lakes typically arrives around Sep 30, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Sep 16, so the watching starts about Aug 31 — about 129 days after the spring freeze cleared.
How long is the growing season in Timber Lakes?
Measured between 28°F hard freezes, Timber Lakes sees about 129 frost-free days — roughly May 24 through Sep 30, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Jun 14 to Sep 16, about 94 days.
Is the soil safe to grow vegetables in Timber Lakes?
The federal record around Timber Lakes is a meaningful one — 145 documented sites, mostly Nitrate entries (92), the nearest Nitrate record about 3.7 miles out — so a soil test before new food beds is a sensible precaution here, not a reason to hold back from growing. Remember that proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what sits where.
How do gardeners stretch the season in Timber Lakes?
With about 129 frost-free days between hard freezes, Timber Lakes rewards the classic extension moves: floating row cover buys roughly two to four extra weeks at each shoulder — on this season that is a working window nearer 157 to 185 days — and cold frames or low tunnels buy more. Starting transplants indoors ahead of the May 24 hard-freeze normal stretches the season without touching the calendar.
Everything above is measured at Timber Lakes's scale — its 6a band and its 129-day season. Your yard writes its own version of Timber Lakes'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 Timber Lakes’s own scale
7 of the readings below were taken at Timber Lakes's own scale — its own ~129-day season between 28°F freezes, the 5,659 acres it covers and 145 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Timber Lakes's own USDA hardiness band, zones 6aUSDA PHZM 2023
- Timber Lakes's own 28°F hard-freeze dates, about May 24 and Sep 30 and the ~129-day span between themNOAA 1991–2020 Climate Normals
- 145 documented contamination sites on the federal record near Timber Lakes, the closest Nitrate record about 3.7 miles out from the town centreFederal environmental registers
- Timber Lakes's boundary and the 5,659 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~129-day seasonGrowable Ground crop-matching engine
- The ecoregion at Timber Lakes's own centroid, the Wasatch and Uinta MountainsUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Timber Lakeslydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Timber Lakes's 5,659 acres read through its county's SSURGO summaryfrom Wasatch County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Wasatch County
- The growing challenges every Utah grower plans around — written at state scale, so they stay on the state guidefrom Utah
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Wasatch County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Timber Lakes's 5,659 acreswhy one lot differs from the next →
- Which side of Timber Lakes you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 5,659 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate record about 3.7 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 Timber Lakes-wide figureread your own land →