Daphnedale Park, California, sits in USDA hardiness zone 6a — a zone band wide enough that plant choice, not possibility, is the interesting question.
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 Daphnedale 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 Daphnedale 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 Daphnedale Park — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Daphnedale Park — the short answer
Daphnedale Park, California: USDA zone 6a, about 131 days between hard freezes, across 529 acres of town.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- May 17
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Sep 25
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~131
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 529 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 Daphnedale Park's average, not your lot's — a low corner or a tree line moves it. Against Daphnedale Park's 131-day season, see what your own ground reads.
Your town runs its own season
Daphnedale Park's own 30-year record measures about 131 days between 28°F killing freezes — 33 days shorter than Modoc County's ~164. Both are measured records, not estimates.
That gap is the whole reason a county average can mislead here. Plant against Daphnedale Park's ~131-day season rather than the county figure — and the sun, slope and cold-air drainage on your specific lot move it again.
NOAA Regional Climate Centers ACIS (1991–2020), 30-year daily minimum record. Both figures are measured records — this town’s own and its county’s. A town with no record of its own is absent here rather than estimated.
Soil varies lot by lot — soil types explained.
What this means for growing in Daphnedale Park
Each reading below is measured for Daphnedale Park itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredDaphnedale Park runs about 131 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
MeasuredDaphnedale Park 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 Daphnedale Park is in
Daphnedale Park sits in the Eastern Cascades Slopes and Foothills — EPA Level III, inside the wider Northwestern Forested Mountains. That is read at Daphnedale Park's own centroid rather than borrowed from Modoc County.
What Grows in Daphnedale Park
Every plant below cleared Daphnedale Park's own zone 6a and its 131-day season. Each card opens that plant's California profile. How we score.






























Is it too late to plant in Daphnedale Park?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Apr 19; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near May 17 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Sep 25 — long-season crops need about 90 days of runway, quick greens only 30. In a season this compact, fast finishers and cold-hardy greens do the late work, and garlic tucked in before the freeze repays you next summer.
What's on the federal record near Daphnedale Park
Closest first, within ~10 miles of Daphnedale Park. Listing isn't leaking, and distance isn't exposure.
- MODOC COUNTY ROAD DEPARTMENT - ALTURAS SHOPBrownfields · 0.6 mi
- MODOC CO DEPT OF AGRIBrownfields · 0.8 mi
- SAGE COUNTRY RECYCLING INC DBA SAGE COUNTRY RECYCLINGBrownfields · 0.8 mi
- BLUE WATER RECYCLING CORPBrownfields · 0.8 mi
- CHARTER COMMUNICATIONS-ALTURASBrownfields · 0.9 mi
- Alturas AllianceUnderground Storage Tanks · 0.9 mi
- DOLLAR GENERAL #14747Brownfields · 0.9 mi
- GARRETT AUTOMOTIVEBrownfields · 0.9 mi
- FOUR SEASONS SUPPLY CENTER DBA FULL THROTTLE ENGINE REPAIRBrownfields · 0.9 mi
- MODOC ENGINESBrownfields · 0.9 mi
- Modoc Mini-MartUnderground Storage Tanks · 0.9 mi
- Alturas Chevron IncUnderground Storage Tanks · 0.9 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Daphnedale 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 Daphnedale Park.
Sources Checked
within ~10 miles of Daphnedale Park
Severity Distribution
within ~10 miles of Daphnedale Park
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around Daphnedale Park, Brownfields runs higher than the national average — 30 sites within ~10 miles of Daphnedale Park. 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 Daphnedale 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 Daphnedale Park average
Your land is one point inside Daphnedale Park
Everything above resolves to Daphnedale Park as a whole — and this is a town whose own 30-year record already runs a season its county’s does not. Your parcel sits at one point inside even that. 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 Daphnedale Park Average
Daphnedale Park Average
- ●USDA Zones 6a, averaged across Daphnedale Park
- ●One soil character for all of Daphnedale Park
- ●Frost dates read at Daphnedale Park's scale: May 17 to Sep 25
YOUR Parcel
- ✓Your exact zone, not Daphnedale Park's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Daphnedale Park
Pull a site-specific report for your exact address in Daphnedale Park, California — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Daphnedale Park averages can't show:
We read public map data around Daphnedale Park — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Daphnedale Park average
How we know this about Daphnedale 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 Daphnedale 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 Daphnedale Park
When does frost risk typically end in Daphnedale Park?
The last hard freeze (28°F) in Daphnedale Park typically lands around May 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 Jun 7.
When is the first frost in Daphnedale Park?
The first hard freeze (28°F) in Daphnedale Park typically arrives around Sep 25, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Sep 11, so the watching starts about Aug 26 — about 131 days after the spring freeze cleared.
How long is the growing season in Daphnedale Park?
Measured between 28°F hard freezes, Daphnedale Park sees about 131 frost-free days — roughly May 17 through Sep 25, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Jun 7 to Sep 11, about 96 days.
Is the soil safe to grow vegetables in Daphnedale Park?
The federal record around Daphnedale Park is light — 44 documented sites across the 9 federal source types we checked, mostly Brownfields entries (30), the nearest Brownfields record about 0.6 miles out — 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 gardeners stretch the season in Daphnedale Park?
With about 131 frost-free days between hard freezes, Daphnedale Park 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 159 to 187 days — and cold frames or low tunnels buy more. Starting transplants indoors ahead of the May 17 hard-freeze normal stretches the season without touching the calendar.
Everything above is measured at Daphnedale Park's scale — its 6a band and its 131-day season. Your yard writes its own version of Daphnedale 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 Daphnedale Park’s own scale
6 of the readings below were taken at Daphnedale Park's own scale — its own ~131-day season between 28°F freezes, the 529 acres it covers and 44 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Daphnedale Park's own USDA hardiness band, zones 6aUSDA PHZM 2023
- Daphnedale Park's own 28°F hard-freeze dates, about May 17 and Sep 25 and the ~131-day span between themNOAA 1991–2020 Climate Normals
- 44 documented contamination sites on the federal record near Daphnedale Park, the closest Brownfields record about 0.6 miles out from the town centreFederal environmental registers
- Daphnedale Park's boundary and the 529 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~131-day seasonGrowable Ground crop-matching engine
- The ecoregion at Daphnedale Park's own centroid, the Eastern Cascades Slopes and FoothillsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Daphnedale Park's 529 acres read through its county's SSURGO summaryfrom Modoc County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Modoc County
- The growing challenges every California grower plans around — written at state scale, so they stay on the state guidefrom California
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Modoc County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Daphnedale Park's 529 acreswhy one lot differs from the next →
- Which side of Daphnedale 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 529 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 0.6 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 Daphnedale Park-wide figureread your own land →
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