Conditional — Some Areas
globe artichoke (zones 7-11) has limited zone overlap with Tennessee (6a-7b). Only zones 7-7 in the state are suitable.
Your yard isn't the whole zone.
Tennessee spans zones 6a-7b, but your yard has its own microclimate — slope, trees, and low spots shift frost and sun across a single parcel. Enter your address and we'll score globe artichoke against your land's actual soil, sun, and frost.
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Zone Comparison
Globe Artichoke Needs
- USDA Zones: 7-11
- Soil pH: 5.5 - 8.3
- Sun: Full Sun
- Drainage: well (dry spells)
- Frost-Free Days: 210+
Tennessee Has
- USDA Zones: 6a-7b
- Last Frost: Mar 20 - Apr 20
- First Frost: Oct 10 - Nov 5
- Annual Rainfall: 45-55 inches
- Common Soils: Silt loam, Clay loam, Limestone-derived
Plant Zone Range (zones 7-11)
Preferred Soil pH
Plant data: USDA PLANTS Database / plant_species_v5.csv. State data: USDA ARS PHZM 2023, NOAA Climate Normals, NRCS SSURGO.
When to Plant Globe Artichoke in Tennessee
The frost window
Across Tennessee, the last spring frost clears between Mar 20 and Apr 20, and the first fall frost lands between Oct 10 and Nov 5 (NOAA Climate Normals 1991-2020). Counting from the latest last frost to the earliest first frost, that's a 173-day window you can count on — up to 230 days on a mild site in a kind year.
Frost tenderness
Globe Artichoke is frost-tender — its listed minimum temperature is 41°F (USDA PLANTS Database) — so set plants out after the last frost has cleared your local site, not the state's earliest date.
Days to maturity vs. the window
At 150 days to maturity (USDA PLANTS Database), one crop fits Tennessee's 173-day dependable window with 23 days of margin — plant at the front of the window to keep that cushion.
Frost window: NOAA Climate Normals 1991-2020. Plant timing fields: USDA PLANTS Database. Your site's own frost dates can run earlier or later than the state range — a parcel report pins them down.
Growing Season Fit
Zone compatibility says you can survive winter here. Whether the growing season is long enough — and warm enough — is a different question.
Frost-free days
Globe Artichoke wants 210+ frost-free days; a typical Tennessee site sees ~220 (NOAA Climate Normals). That leaves tight; use transplants and pick early-maturing cultivars.
Growing degree days
Globe Artichoke needs ~2200 GDD (base 50°F) to ripen. The state median runs ~4200 GDD (USDA NRCS county aggregates), so Tennessee's typical season clears that easily.
Climate aggregates derive from USDA NRCS county-level hardiness data + Cornell CALS Extension GDD-by-region tables + MSU Extension chill-hours-by-zone (1991-2020 NOAA Climate Normals baseline).
Soil + Drainage Fit
Globe Artichoke likes near-neutral soil (pH 5.5-8.3). That's the common-ground band across Tennessee's silt loam and clay loam — a soil test confirms it for your site. Drainage matters: this plant wants well (dry spells). If your Tennessee site is heavier clay or sits in a low spot, raised beds or amendment with compost solve it.
Plant pH and drainage requirements from USDA PLANTS Database. Tennessee soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.
Globe Artichoke in Tennessee — Quick Answer
- Verdict: Conditional — Some Areas
- Plant Zones: 7-11 (USDA PLANTS Database)
- State Zones: 6a-7b (USDA ARS PHZM 2023)
- Growing Season: Mar 20 - Apr 20 to Oct 10 - Nov 5 (NOAA Climate Normals)
- Days to Maturity: 150 days
What Else to Consider
Zone compatibility tells you about winter cold survival — but Tennessee growers also need to think about:
Heavy clay soils in the Nashville Basin
Basin clay is fertile once it drains — a raised bed handles that immediately, and yearly compost makes it permanent.
High humidity promotes disease in summer
Morning base-watering, breathing room between plants, and resistant varieties — the humid-summer basics from your extension.
Variable spring weather with late frost risk
Let your local frost normals set the schedule — Tennessee springs reward the growers who wait out the last cold snap.
Pollinator + Wildlife Value
Globe Artichoke draws pollinators (high value, USDA PLANTS Database). Planting it near vegetable beds can lift fruit set on neighboring crops.
Tennessee Cooperative Extension
For Tennessee-specific cultivar recommendations, planting calendars, and pest pressure for globe artichoke, the canonical source is UT Extension. Their fact sheets carry the local trial data we can't generalize across 50 states.
Is Globe Artichoke native to Tennessee?
No — the USDA PLANTS Database lists Globe Artichoke as introduced rather than native in the Lower 48, so it is not part of Tennessee's native flora. It grows here as a garden plant; pairing it with a few Tennessee natives keeps local pollinators fed too.
Looking for plants that belong here? The Tennessee growing guide lists USDA-documented natives for the state.
Native-range data: USDA PLANTS Database state-distribution records, accessed 2026-07-01.
Common Questions About Growing Globe Artichoke in Tennessee
When can I plant Globe Artichoke in Tennessee?
Tennessee's last spring frost clears between Mar 20 and Apr 20, and the first fall frost lands between Oct 10 and Nov 5 (NOAA Climate Normals 1991-2020). Globe Artichoke is frost-tender — its listed minimum temperature is 41°F (USDA PLANTS Database) — so wait until the last frost has cleared your specific site before planting out.
Can Globe Artichoke mature before first frost in Tennessee?
Yes — Globe Artichoke matures in 150 days (USDA PLANTS Database), and Tennessee's dependable frost-free window runs 173 days (NOAA Climate Normals 1991-2020), leaving 23 days of margin. Plant just after last frost and it ripens ahead of the first fall frost.
What hardiness zone is Globe Artichoke grown in across Tennessee?
Tennessee spans USDA hardiness zones 6a-7b (USDA ARS PHZM 2023). Globe Artichoke carries a range of zones 7-11, so the overlap zones are where outdoor growing is most reliable.
How many frost-free days does a typical Tennessee site have?
A typical Tennessee site sees ~220 frost-free days per year (derived from NOAA Climate Normals 1991-2020). Globe Artichoke needs 210+ frost-free days, so check whether your local microclimate runs above or below the state average before settling on a planting date.
Is Globe Artichoke native to Tennessee?
No — the USDA PLANTS Database lists Globe Artichoke as introduced rather than native in the Lower 48, so it is not part of Tennessee's native flora. It grows here as a garden plant; pairing it with a few Tennessee natives keeps local pollinators fed too.
How should I amend the soil for Globe Artichoke in Tennessee?
Globe Artichoke prefers pH 5.5-8.3 and well (dry spells) drainage (USDA PLANTS Database). That sits in the common-ground band across Tennessee soils — a 30-minute soil test from a local Extension lab confirms it for your specific site.
Will Globe Artichoke actually grow on my specific land in Tennessee?
State-level zone + climate data is a sketch. A Growable Ground parcel report scores globe artichoke against your address's exact soil pH, drainage, sun, and frost-date data drawn from USDA SSURGO, NOAA, and PRISM — not state averages.
Check your specific parcel in Tennessee
State-level data is a sketch. Your Growable Ground report scores globe artichoke against your parcel's exact soil, sun, drainage, and frost data — not zone averages.
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.
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