Dover Base Housing, Delaware, sits in USDA hardiness zone 7b — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
Crops well matched to these conditions include cabbage, prickly pear, california poppy, and collard greens — though what thrives on any one site still turns on its specific soil, sun, and drainage.
Even in Dover Base Housing, 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 Dover Base Housing 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 Dover Base Housing — soil, climate, flood, and parcel records. How we handle your address.
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Dover Base Housing — the short answer
Dover Base Housing, Delaware: USDA zone 7b, about 240 days between hard freezes, across 481 acres of town.
- USDA zone
- 7b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 24
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 19
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~240
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 481 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 Dover Base Housing's average, not your lot's — a low corner or a tree line moves it. Against Dover Base Housing's 240-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Dover Base Housing
Each reading below is measured for Dover Base Housing itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredDover Base Housing runs about 240 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
MeasuredDover Base Housing 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 Dover Base Housing is in
Dover Base Housing sits in the Middle Atlantic Coastal Plain — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Dover Base Housing's own centroid rather than borrowed from Kent County.
What Grows in Dover Base Housing
Every plant below cleared Dover Base Housing's own zone 7b and its 240-day season. Each card opens that plant's Delaware profile. How we score.
Is it too late to plant in Dover Base Housing?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Feb 24; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 24 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 19 — long-season crops need about 90 days of runway, quick greens only 30. With a season this long, “too late” mostly means “switch crops” — second sowings and a full fall garden are the norm, with garlic closing the year.
Documented around Dover Base Housing
Spotted lanternfly documented 3 miles from Dover Base Housing, first recorded 2020. What to watch for.
What's on the federal record near Dover Base Housing
Closest first, within ~10 miles of Dover Base Housing. Listing isn't leaking, and distance isn't exposure.
- Je32-02Nitrate · 0.7 mi
- Je31-02Nitrate · 0.7 mi
- Je32-03Nitrate · 0.8 mi
- Je41-08Nitrate · 0.8 mi
- Je32-05Nitrate · 0.8 mi
- Je32-04Nitrate · 0.8 mi
- Je31-01Nitrate · 0.8 mi
- Generals Green Pump Station #5Underground Storage Tanks · 0.9 mi
- WILDCAT LANDFILLSuperfund · 1.0 mi
- WAWA FOOD MARKET #845Brownfields · 1.0 mi
- Wawa Food Market #845Underground Storage Tanks · 1.0 mi
- JG Executive Limo ServiceUnderground Storage Tanks · 1.1 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Dover Base Housing'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 Dover Base Housing.
Sources Checked
within ~10 miles of Dover Base Housing
Severity Distribution
within ~10 miles of Dover Base Housing
Highest-Severity Sites
Know Before You Grow
- •Underground tanks leak petroleum as they age — near a former filling station, test the soil.
- •Near a brownfield, raised beds of imported soil give your food clean ground.
- •On a private well, test for nitrates: above 10 mg/L the water needs treatment before irrigating.
Check your specific parcel in Dover Base Housing
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 Dover Base Housing average
Your land is one point inside Dover Base Housing
Everything above resolves to Dover Base Housing as a whole — one PHZM band and one 28°F frost record, read across 481 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 Dover Base Housing Average
Dover Base Housing Average
- ●USDA Zones 7b, averaged across Dover Base Housing
- ●One soil character for all of Dover Base Housing
- ●Frost dates read at Dover Base Housing's scale: Mar 24 to Nov 19
YOUR Parcel
- ✓Your exact zone, not Dover Base Housing's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Dover Base Housing
Pull a site-specific report for your exact address in Dover Base Housing, Delaware — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Dover Base Housing averages can't show:
We read public map data around Dover Base Housing — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Dover Base Housing average
How we know this about Dover Base Housing
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 Dover Base Housing’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 Dover Base Housing
When does frost risk typically end in Dover Base Housing?
The last hard freeze (28°F) in Dover Base Housing typically lands around Mar 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 Apr 14.
When is the first frost in Dover Base Housing?
The first hard freeze (28°F) in Dover Base Housing typically arrives around Nov 19, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 5, so the watching starts about Oct 20 — about 240 days after the spring freeze cleared.
How long is the growing season in Dover Base Housing?
Measured between 28°F hard freezes, Dover Base Housing sees about 240 frost-free days — roughly Mar 24 through Nov 19, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 14 to Nov 5, about 205 days.
Is the soil safe to grow vegetables in Dover Base Housing?
The federal record around Dover Base Housing runs heavier than most — 645 documented sites, mostly Underground Storage Tanks entries (365), the nearest Nitrate record about 0.7 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 Dover Base Housing?
From about Oct 20 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 19 (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 19. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Dover Base Housing's scale — its 7b band and its 240-day season. Your yard writes its own version of Dover Base Housing'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 Dover Base Housing’s own scale
7 of the readings below were taken at Dover Base Housing's own scale — its own ~240-day season between 28°F freezes, the 481 acres it covers and 645 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Dover Base Housing's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Dover Base Housing's own 28°F hard-freeze dates, about Mar 24 and Nov 19 and the ~240-day span between themNOAA 1991–2020 Climate Normals
- 645 documented contamination sites on the federal record near Dover Base Housing, the closest Nitrate record about 0.7 miles out from the town centreFederal environmental registers
- Dover Base Housing's boundary and the 481 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~240-day seasonGrowable Ground crop-matching engine
- The ecoregion at Dover Base Housing's own centroid, the Middle Atlantic Coastal PlainUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Dover Base Housinglydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Dover Base Housing's 481 acres read through its county's SSURGO summaryfrom Kent County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Kent County
- The growing challenges every Delaware grower plans around — written at state scale, so they stay on the state guidefrom Delaware
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Kent County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Dover Base Housing's 481 acreswhy one lot differs from the next →
- Which side of Dover Base Housing you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 481 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate record about 0.7 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 Dover Base Housing-wide figureread your own land →