Waldo, Arkansas, sits in USDA hardiness zones 8a-9a — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
The conditions favor tomato, peach, muscadine grape, and sweet potato, among others — though every individual site edits that list with its own soil, sun, and drainage.
Even in Waldo, 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 Waldo 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
8a-9a
Last Frost (state avg.)
Mar 15 - Apr 15
First Frost (state avg.)
Oct 15 - Nov 10
City Area
1K acres
Hardiness Zone Range
Growing Season
Zone maps are averages across Waldo. 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.
What Grows in Waldo
Plants matched to Waldo's USDA zones 8a-9a — each links to its full growing profile.
Growing Challenges in Arkansas
What an experienced grower plans around here — each one has a move.
Hot, humid summers drive fungal and bacterial diseases
Morning base-watering, wide spacing, and resistant varieties keep disease manageable — your extension lists what holds up here.
Heavy clay soils in parts of the Ozarks
A raised bed gets you growing this season; compost worked in each fall opens the clay for the long run.
Severe spring storms and hail risk
Keep row cover staged through storm season — five minutes of shelter can save a bed of seedlings from hail.
For cultivar selection, pest pressure, and planting-time guidance specific to Arkansas, the University of Arkansas Cooperative Extension Service is the authoritative local source.
Environmental Intelligence
Understanding what's nearby helps you make informed decisions about where and how to grow.
Total Sites
221
within ~10 miles of Waldo
Risk Level
Elevated
Highest-severity
13 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Waldo
Severity Distribution
within ~10 miles of Waldo
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Waldo, Underground Storage Tanks runs higher than the national average — 138 sites nearby. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Waldo
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:
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
Waldo Average
- ●USDA Zones 8a-9a
- ●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
Read your specific parcel in Waldo
Pull a site-specific report for your exact address in Waldo, Arkansas — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your exact spot that zone averages miss:
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 Waldo, Arkansas
- USDA Hardiness Zones: 8a-9a (USDA PHZM 2023)
- Last Spring Frost (state avg.): Mar 15 - Apr 15 (NOAA 30-Year Climate Normals)
- First Fall Frost (state avg.): Oct 15 - Nov 10 (NOAA 30-Year Climate Normals)
- Land Area: 1K 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 Waldo, Arkansas?
Waldo sits in USDA hardiness zones 8a-9a, per the USDA Plant Hardiness Zone Map 2023. Zones reflect average annual extreme minimum temperatures from 1991–2020 weather data.
When does frost risk typically end in Waldo?
Waldo follows Arkansas's statewide frost window: last spring frost around Mar 15 - Apr 15 and first fall frost around Oct 15 - Nov 10, per NOAA 30-year climate normals (1991–2020). Frost dates shift with elevation and local microclimate, so watch your own site's cold pockets.
What vegetables grow in Waldo?
Waldo's zones 8a-9a support a wide range — strong performers include Tomato, Peach, Muscadine Grape, Sweet Potato, and Blackberry. 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 Waldo, really?
Officially, Waldo sits in USDA zones 8a-9a (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 Waldo?
The federal record around Waldo is a meaningful one — 221 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 Waldo?
As the season closes around Arkansas's first fall frost near Oct 15 - Nov 10 (NOAA 30-year climate normals (1991–2020)), 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 Waldo 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.