Conditional — Some Areas
showy goldenrod (zones 3-8) has limited zone overlap with Tennessee (6a-7b). Only zones 6-7 in the state are suitable.
Your yard isn't the whole zone.
Tennessee spans zones 6a-7b, but your yard sits in exactly one — and slope, tree cover, and cold-air pockets nudge it further. Enter your address and we'll score showy goldenrod against your parcel's actual hardiness, soil, and sun.
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Zone Comparison
Showy Goldenrod Needs
- USDA Zones: 3-8
- Soil pH: 5.5 - 7.5
- Sun: Full Sun
- Drainage: well (dry spells)
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 3-8)
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 Showy Goldenrod 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.
Establishment timing
As a long-lived plant, showy goldenrod isn't racing the calendar to a harvest date. Plant it in spring once the last-frost window passes so roots settle in through the full season, or in early fall while the soil still holds summer warmth.
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.
Soil + Drainage Fit
Showy Goldenrod likes near-neutral soil (pH 5.5-7.5). 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.
Showy Goldenrod in Tennessee — Quick Answer
- Verdict: Conditional — Some Areas
- Plant Zones: 3-8 (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)
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
Showy Goldenrod 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 showy goldenrod, the canonical source is UT Extension. Their fact sheets carry the local trial data we can't generalize across 50 states.
Is Showy Goldenrod native to Tennessee?
Yes — the USDA PLANTS Database (accessed 2026-07-01) documents Showy Goldenrod as native to Tennessee. Planting it supports the pollinators and wildlife that evolved alongside it.
Native-range data: USDA PLANTS Database state-distribution records, accessed 2026-07-01.
Common Questions About Growing Showy Goldenrod in Tennessee
When can I plant Showy Goldenrod 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). Showy Goldenrod is a long-lived planting, so target spring just after your local last frost — or early fall while the soil holds warmth — and let it establish through the season.
What hardiness zone is Showy Goldenrod grown in across Tennessee?
Tennessee spans USDA hardiness zones 6a-7b (USDA ARS PHZM 2023). Showy Goldenrod carries a range of zones 3-8, 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). Showy Goldenrod should be matched against that window, so check whether your local microclimate runs above or below the state average before settling on a planting date.
Is Showy Goldenrod native to Tennessee?
Yes — the USDA PLANTS Database (accessed 2026-07-01) documents Showy Goldenrod as native to Tennessee. Planting it supports the pollinators and wildlife that evolved alongside it.
How should I amend the soil for Showy Goldenrod in Tennessee?
Showy Goldenrod prefers pH 5.5-7.5 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 Showy Goldenrod actually grow on my specific land in Tennessee?
State-level zone + climate data is a sketch. A Growable Ground parcel report scores showy goldenrod 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 showy goldenrod 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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