Juneau city and, Alaska, sits in USDA hardiness zone 6a — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
Expect cabbage, blackberry, california poppy, and collard greens to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in Juneau city and, 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 Juneau city and 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 Juneau city and — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Juneau city and — the short answer
Juneau city and, Alaska: USDA zone 6a, about 180 days between hard freezes, across 1.7M acres of town.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 17
- Juneau City and Borough normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Oct 14
- Juneau City and Borough normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~180
- Juneau City and Borough normal — NOAA 1991–2020, nearest to this town
- Town area
- 1.7M acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. No 30-year normal resolves at this town’s own centroid, so the hard-freeze dates are Juneau City and Borough’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 6a is Juneau city and's average, not your lot's — a low corner or a tree line moves it. Against Juneau city and's 180-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Juneau city and
Each reading below is measured for Juneau city and itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
From county recordsJuneau city and runs about 180 days between hard freezes (read from Juneau City and Borough, the closest normal to Juneau city and) — 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
MeasuredJuneau city and 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
What Grows in Juneau city and
Every plant below cleared Juneau city and's own zone 6a and its 180-day season. Each card opens that plant's Alaska profile. How we score.






























Is it too late to plant in Juneau city and?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Mar 20; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 17 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 14 — 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 Juneau city and
Closest first, within ~10 miles of Juneau city and. Listing isn't leaking, and distance isn't exposure.
- CITY AND BOROUGH OF JUNEAUPFAS · 0 ft
- Sunset Cove ProspectMining · 4.4 mi
- Silver FallsMining · 4.7 mi
- Gould and Curry MineMining · 7.2 mi
- Alaska-JuneauMining · 7.4 mi
- Alaska-Juneau MineMining · 7.5 mi
- Perseverance MineMining · 7.6 mi
- AndersonMining · 7.7 mi
- Silver QueenMining · 7.8 mi
- Anderson ProspectMining · 7.8 mi
- Silver Queen MineMining · 7.8 mi
- ReaganMining · 7.8 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Juneau city and'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 Juneau city and.
Total Sites
56
within ~10 miles of Juneau city and
Risk Level
High
Highest-severity
2 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Juneau city and
Severity Distribution
within ~10 miles of Juneau city and
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around Juneau city and, Mining runs higher than the national average — 23 sites within ~10 miles of Juneau city and. That's not a problem with your land — it's information about it.
Mining: Mining sites — both historic and active — can leach heavy metals (arsenic, lead, cadmium, mercury) into soil and water for centuries after operations cease.
Test soil for heavy metals (lead, arsenic, cadmium, mercury) — this is essential near any mining site.
Check your specific parcel in Juneau city and
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 Juneau city and average
Your land is one point inside Juneau city and
Everything above resolves to Juneau city and as a whole — one PHZM band, read across 1.7M acres, with hard-freeze dates borrowed from Juneau City and Borough’s record because no 30-year normal resolves at this town’s own centroid. 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 Juneau city and Average
Juneau city and Average
- ●USDA Zones 6a, averaged across Juneau city and
- ●One soil character for all of Juneau city and
- ●Frost dates read at Juneau city and's scale: Apr 17 to Oct 14
YOUR Parcel
- ✓Your exact zone, not Juneau city and's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Juneau city and
Pull a site-specific report for your exact address in Juneau city and, Alaska — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Juneau city and averages can't show:
We read public map data around Juneau city and — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Juneau city and average
How we know this about Juneau city and
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 Juneau City and Borough’s record, because none resolves here; 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 Juneau city and
When does frost risk typically end in Juneau city and?
The last hard freeze (28°F) in Juneau city and typically lands around Apr 17, 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 8.
When is the first frost in Juneau city and?
The first hard freeze (28°F) in Juneau city and typically arrives around Oct 14, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Sep 30, so the watching starts about Sep 14 — about 180 days after the spring freeze cleared.
How long is the growing season in Juneau city and?
Measured between 28°F hard freezes, Juneau city and sees about 180 frost-free days — roughly Apr 17 through Oct 14, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 8 to Sep 30, about 145 days.
Is the soil safe to grow vegetables in Juneau city and?
The federal record around Juneau city and runs heavier than most — 56 documented sites, mostly Underground Storage Tanks entries (24), the nearest PFAS record under a tenth of a mile 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 Juneau city and?
From about Sep 14 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 14 (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 14. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Juneau city and's scale — its 6a band and its 180-day season. Your yard writes its own version of Juneau city and'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 Juneau city and’s own scale
4 of the readings below were taken at Juneau city and's own scale — the 1,729,871 acres it covers and 56 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- Juneau city and's own USDA hardiness band, zones 6aUSDA PHZM 2023
- 56 documented contamination sites on the federal record near Juneau city and, the closest PFAS record under a tenth of a mile out from the town centreFederal environmental registers
- Juneau city and's boundary and the 1,729,871 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~180-day seasonGrowable Ground crop-matching engine
Inherited from a wider read
- The 28°F hard-freeze dates — Juneau city and has no normal of its own, so its county's is the closest measured readfrom Juneau City and Borough
- Soil character — no town-scale survey exists, so Juneau city and's 1,729,871 acres read through its county's SSURGO summaryfrom Juneau County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Juneau County
- The growing challenges every Alaska grower plans around — written at state scale, so they stay on the state guidefrom Alaska
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Juneau County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Juneau city and's 1,729,871 acreswhy one lot differs from the next →
- Which side of Juneau city and you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,729,871 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest PFAS record under a tenth of a mile 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 Juneau city and-wide figureread your own land →
