What Grows in Forest Hills, North Carolina

USDA Zones 7a-8b · 317 acres

Forest Hills, North Carolina, sits in USDA hardiness zones 7a-8b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.

The conditions favor sweet potato, blueberry, muscadine grape, and dogwood, among others — though every individual site edits that list with its own soil, sun, and drainage.

Score your parcel · free

Even in Forest Hills, 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 Forest Hills 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.

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Quick Facts

USDA Zones

7a-8b

Last Hard Freeze (28°F)

Mar 6

Town normal — light frosts run a few weeks later

First Hard Freeze (28°F)

Nov 16

Town normal — light frosts arrive a few weeks earlier

Town Area

317 acres

Hardiness Zone Range

7a
8b
3a (Cold)13b (Hot)

Zone maps are averages across Forest Hills. 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.

Is it too late to plant in Forest Hills?

Too late for some crops, right on time for others — a growing season is a sequence, not a deadline. Cool-season crops can go in from around Feb 6; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 6 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 16 — long-season crops need about 90 days of runway, quick greens only 30. There is slack in a calendar like this — late plantings, second rounds of favorites, and a fall bench that keeps beds working.

Growing Challenges in North Carolina

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

Red Piedmont clay is hard to work and drains poorly

Red clay rewards patience — compost opens it over seasons, and a raised bed gets you harvesting in the meantime.

Humidity drives significant disease pressure

Airflow, morning base-watering, and resistant varieties — the humid-South trio your extension's lists are built around.

Hurricane risk on the coastal plain

On the coastal plain, favor wind-tough perennials and stake young trees well ahead of storm season.

For cultivar selection, pest pressure, and planting-time guidance specific to North Carolina, the NC State 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

161

within ~10 miles of Forest Hills

Risk Level

Elevated

Highest-severity

1 Superfund site

Severity Distribution

within ~10 miles of Forest Hills

High6Moderate65Low90

Highest-Severity Sites

Nantahala Abandoned PCB Transformer Site
Superfund · Superfund (Non-NPL)
Pardo Prospect
Mining Sites · Occurrence
Savannah Mine
Mining Sites · Past Producer
Wayhutta Mine
Mining Sites · Occurrence
Addie Chromite Prospect
Mining Sites · Past Producer

A note from Gnorman

What an experienced grower watches for around here

In and around Forest Hills, two things run higher than the national average — Mining (39 sites) and Underground Storage Tanks (99 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around 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.

Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.

Test soil for heavy metals (lead, arsenic, cadmium, mercury) — this is essential near any mining site.

Use raised beds with imported soil — this eliminates the primary soil-contact pathway.

Free Report

Check your specific parcel in Forest Hills

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

Forest Hills Average

  • USDA Zones 7a-8b
  • 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 Forest Hills

Pull a site-specific report for your exact address in Forest Hills, North Carolina — 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 Forest Hills, North Carolina

  • USDA Hardiness Zones: 7a-8b (USDA PHZM 2023)
  • Last Hard Freeze (28°F): Mar 6 (town normal, NOAA 1991–2020 Climate Normals — light frosts can follow for a few weeks)
  • First Hard Freeze (28°F): Nov 16 (town normal, NOAA 1991–2020 Climate Normals — light frosts can arrive a few weeks earlier)
  • Days Between Hard Freezes: ~255 (town normal, NOAA 1991–2020 Climate Normals)
  • Land Area: 317 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 Forest Hills, North Carolina?

Forest Hills sits in USDA hardiness zones 7a-8b, 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 Forest Hills?

Too late for some crops, right on time for others — a growing season is a sequence, not a deadline. Cool-season crops can go in from around Feb 6; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 6 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 16 — long-season crops need about 90 days of runway, quick greens only 30. There is slack in a calendar like this — late plantings, second rounds of favorites, and a fall bench that keeps beds working.

When does frost risk typically end in Forest Hills?

The last hard freeze (28°F) in Forest Hills typically lands around Mar 6, 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 Forest Hills?

The first hard freeze (28°F) in Forest Hills typically arrives around Nov 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 Forest Hills?

Forest Hills's zones 7a-8b support a wide range — strong performers include Sweet Potato, Blueberry, Muscadine Grape, Dogwood, and Tomato. 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 Forest Hills, really?

Officially, Forest Hills sits in USDA zones 7a-8b (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 Forest Hills?

The federal record around Forest Hills is a meaningful one — 161 documented sites — 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 I protect my plants from frost in Forest Hills?

As the season closes around the first 28°F hard freeze near Nov 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 Forest Hills 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.