Texas sage (Leucophyllum frutescens), photographi

Can I Grow Texas Sage in Kentucky?

USDA Zones 6a-7b · Plant zone range 8-10

Unlikely — Zone Mismatch

Texas sage (zones 8-10) does not overlap with Kentucky's zone range (6a-7b). Growing outdoors is unlikely without significant protection.

One zone short — what would close it

Texas Sage is hardy to zone 8, and the warmest ground in Kentucky is zone 7 — 1 zone short. Planted in open ground it will not survive a Kentucky winter. To grow it here, grow texas sage in a hoop house or unheated greenhouse — its modeled 1.5-zone lift covers this gap.

A hoop house or unheated greenhouse is the lift this needs. How a greenhouse changes what you can grow →

Zone math from 8-10 (plant) against 6-7 (Kentucky). Lift modeled by crop_engine.GREENHOUSE_ZONE_MODIFIER_BY_SUBTYPE['hoop_house'] (+1.5 zones) via api/fast_sections.py Unlock Engine v2.

Texas Sage in Kentucky — the short answer

Texas Sage in Kentucky: hardy in zones 8–10, full sun, against a state median of ~221 frost-free days.

Plant zones
8-10
Manual horticultural correction (source not retained); NC State Extension and Missouri Botanical Garden, with the remaining rows from other published sources or Growable Ground compilation
Kentucky zones
6a-7b
USDA PHZM 2023
Frost window
Mar 27 - Apr 2 – Nov 4 - Nov 10
NOAA RCC ACIS 1991-2020, 28°F
Shortest county season
195 days
NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze

Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS and university Extension sources — per-field provenance varies and is published with the dataset.

Score your parcel · free

Your yard isn't the whole zone.

Kentucky 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 texas sage against your parcel's actual hardiness, soil, and sun.

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

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Kentucky is not one climate

Kentucky’s winter-low ladder runs across 120 counties, from zone 6.5 in Anderson County to zone 7.5 in Lyon County. That is 10°F between the two counties’ average coldest night — the difference between texas sage overwintering in the ground and coming under cover.

6.5 zonesAnderson County7.5 zonesLyon County

The middle half of 120 counties runs 6.57 zones, with a median of 7 zones — a 1-zone span end to end.

Measured across 120 Kentucky counties. USDA PHZM 2023, per county. Quartiles are order statistics — every figure shown is a value a real county recorded, not an interpolation. Your own site sits somewhere inside this range; a parcel report resolves where.

Where Texas Sage Stands in Kentucky

Texas Sage is rated for zones 810 — a cold floor USDA puts at 10 to 20°F. No Kentucky county sits inside it, so in open ground this is a grown-under-cover plant here rather than a bed plant — which is a statement about Kentucky winters, not about texas sage.

Below the zone 8 floor

120 counties

3 of 120 shown

Winter cold is the limit here — the same plant works in a container that comes under cover.

County hardiness zones: USDA Plant Hardiness Zone Map (PHZM) 2023, per county. A zone is a 10°F band of average annual extreme minimum temperature, so the floor above is the band the plant's rating denotes, not a single measured kill point. Slope, shelter and cold-air drainage routinely move a site half a zone either way from its county figure — which is the part only your address resolves.

Zone Comparison

Texas Sage Needs

  • USDA Zones: 8-10
  • Frost-Free Days: 250+
  • Sun: Full Sun
  • Mature size: 8 ft tall
  • Drought tolerance: High

Kentucky Has

  • USDA Zones: 6a-7b
  • Last Hard Freeze (28°F): Mar 27 - Apr 2
  • First Hard Freeze (28°F): Nov 4 - Nov 10
  • Annual Rainfall: 42-52 inches
  • Common Soils: Silt loam, Clay loam, Limestone-derived

Plant Zone Range (zones 8-10)

8a
10b
3a (Cold)13b (Hot)

Preferred Soil pH

3.5 (Acidic)7.0 (Neutral)9.0 (Alkaline)
Highlighted range: pH 7.08.5

Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS, and university Extension sources — per-field provenance varies and is published with the dataset. State data: USDA ARS PHZM 2023, NOAA Climate Normals, NRCS SSURGO.

When to Plant Texas Sage in Kentucky

The frost window

Across Kentucky, the last spring hard freeze (28°F) clears between Mar 27 and Apr 2, and the first fall hard freeze lands between Nov 4 and Nov 10 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 216-day window you can count on — up to 228 days on a mild site in a kind year. That marks the hard freeze, not the last light frost, so tender transplants usually wait another 2-3 weeks.

Winter standing

Kentucky runs as cold as USDA zone 6, and no sourced winter-hardiness floor is on record for texas sage, so this page does not state whether it overwinters here — and gives no fall establishment date on the strength of a guess. Whether texas sage is a permanent planting or a replant-every-spring crop for you turns on your own zone within Kentucky; check its hardiness range against that before treating it as long-lived ground.

Timing tuned to sub-state frost dates — Greenup County, not the statewide average.

Frost window: NOAA Climate Normals 1991-2020. Plant timing fields: Growable Ground Plant Database — frost-free days from FAO ECOCROP, days to harvest from university Extension production guides, and growing-degree-day and chill-hour minimums that are compilation estimates rather than published figures. Your site's own frost dates can run earlier or later than the state range — a parcel report pins them down.

Growing Season Fit

The zone check says texas sage does not survive a Kentucky winter in the ground. The season figures below measure a different question — whether it could finish a season here at all — and they only bear on Kentucky under protection.

Frost-free days

Texas Sage wants 250+ frost-free days; a typical Kentucky site sees ~221 (NOAA Regional Climate Centers ACIS, 1991-2020) — 29 days short of what it needs. A typical Kentucky season does not carry this crop to harvest outdoors, and a gap that size is not one an earlier sowing date or a faster cultivar closes; growing it here means growing it under cover.

Chill hours

Texas Sage has no winter-chill requirement — its listed minimum is 0 hours (Growable Ground Plant Database). Kentucky typically banks ~2500 chill hours per winter (from PRISM 1991-2020 climate normals), so chill is not a constraint on this plant here — and not evidence in its favour either. Winter survival and season length are what decide it.

GDD and chill-hour figures are computed from PRISM 1991-2020 monthly climate normals; frost-free days from NOAA Regional Climate Centers ACIS, 1991-2020. Each is the state median across its counties (P25/P75 span the within-state spread). Hardiness-zone range is USDA PHZM 2023.

Soil + Drainage Fit

Texas Sage likes near-neutral soil (pH 7-8.5). That's the common-ground band across Kentucky's silt loam and clay loam — a soil test confirms it for your site. It will grow across that whole span, but it does best between pH 7 and 8 — worth knowing before you decide whether a Kentucky soil test result is a problem or just a number. Drainage requirement: excessive (dry/moderately dry). A soil-survey lookup (NRCS SSURGO) flags whether your specific site matches.

Your land, not the state average

Kentucky soil pH runs about 5.5–6.3, and that sits below texas sage's tolerated 7–8.5, so the typical Kentucky parcel needs lime before it will perform. SSURGO maps it swinging by full points parcel to parcel, so your map unit, not the state number, decides whether texas sage needs lime or sulfur.

Check your parcel → Source: USDA NRCS SSURGO.

Plant pH requirements: FAO ECOCROP and USDA PLANTS, with the remaining rows from other published sources or Growable Ground compilation. Drainage: FAO ECOCROP, with the remaining rows from other published sources or Growable Ground compilation. Kentucky soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.

What Else to Consider for Texas Sage in Kentucky

Zone compatibility tells you about winter cold survival — but Kentucky growers also need to think about:

Heavy clay soils in the Bluegrass region

High humidity promotes fungal diseases

Karst topography creates drainage unpredictability

Growing texas sage here specifically

Texas Sage needs near-neutral ground (pH 7.0–8.5); Kentucky's dominant SSURGO pH sits near 5.9, acidic enough to stunt it without correction.

Add lime to bring your parcel up toward pH 7.0–8.5, then retest before setting texas sage out. How to handle it →

What to actually do about these — and the constraints that apply to every Kentucky grower, not just texas sage — is covered on the Kentucky growing guide.

Timing shifts within Kentucky

Kentucky isn't one climate. In Greenup County, the last hard freeze (28°F) holds until about Apr 13 — roughly 13 days later than the recorded state median — so plant texas sage to your county's window, not the statewide date.

Texas Sage needs about 250 days of frost-free season to complete its cycle. No Kentucky county gives it that outdoors: even Jefferson County, the state’s longest season at 245 frost-free days, falls 5 days short — so it needs transplants, a short-season variety, or covered growing.

County last-freeze dates and frost-free day counts: NOAA Regional Climate Centers ACIS (1991-2020), county 28°F freeze (earlier than the folk 32°F "last frost"). Texas Sage's 250-day requirement: USDA PLANTS / Growable Ground plant database (minimum frost-free days). A parcel report resolves your address's own frost dates.

Pollinator + Wildlife Value

Texas Sage draws honeybees and native bees (moderate value, Growable Ground Plant Database). Planting it near vegetable beds can lift fruit set on neighboring crops. Outdoors, texas sage can only work that bloom inside Kentucky's frost window — roughly 221 days, opening after the last 28°F freeze (Mar 27 - Apr 2) and closing at the first (Nov 4 - Nov 10), per NOAA Regional Climate Centers ACIS, 1991-2020.

Kentucky Cooperative Extension

For Kentucky-specific cultivar recommendations, planting calendars, and pest pressure for texas sage, the canonical source is University of Kentucky Cooperative Extension. Their fact sheets carry the local trial data we can't generalize across 50 states.

Is Texas Sage native to Kentucky?

Texas Sage is native to parts of the Lower 48, but the USDA PLANTS Database (accessed 2026-07-01) does not document a native range in Kentucky. It can still earn a place in a Kentucky garden — the zone comparison above tells you whether it will thrive.

Looking for plants that belong here? The Kentucky 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 Texas Sage in Kentucky

When can I plant Texas Sage in Kentucky?

Kentucky's last spring hard freeze (28°F) clears between Mar 27 and Apr 2, and the first fall hard freeze lands between Nov 4 and Nov 10 (NOAA Regional Climate Centers ACIS, 1991-2020). No sourced winter-hardiness floor is on record for Texas Sage, so this page does not state whether it overwinters in Kentucky and publishes no fall establishment date for it — check its hardiness range against your own zone before treating it as a permanent planting.

What hardiness zone is Texas Sage grown in across Kentucky?

Kentucky spans USDA hardiness zones 6a-7b (USDA ARS PHZM 2023). Texas Sage carries a range of zones 8-10, so the overlap zones are where outdoor growing is most reliable.

How many frost-free days does a typical Kentucky site have?

A typical Kentucky site sees ~221 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). Texas Sage needs 250+ frost-free days, so check whether your local microclimate runs above or below the state average before settling on a planting date. In cooler counties like Greenup, the freeze-free season runs shorter than the state average, so verify your own county's window.

Is Texas Sage native to Kentucky?

Texas Sage is native to parts of the Lower 48, but the USDA PLANTS Database (accessed 2026-07-01) does not document a native range in Kentucky. It can still earn a place in a Kentucky garden — the zone comparison above tells you whether it will thrive.

How should I amend the soil for Texas Sage in Kentucky?

Texas Sage prefers pH 7-8.5 and excessive (dry/moderately dry) drainage (Growable Ground Plant Database). That sits in the common-ground band across Kentucky soils — a 30-minute soil test from a local Extension lab confirms it for your specific site.

Will Texas Sage actually grow on my specific land in Kentucky?

State-level zone + climate data is a sketch. A Growable Ground parcel report scores texas sage against your address's exact soil pH, drainage, sun, and frost-date data drawn from USDA SSURGO, NOAA, and PRISM — not state averages.

Free Report

Check your specific parcel in Kentucky

State-level data is a sketch. Your Growable Ground report scores texas sage against your parcel's exact soil, sun, drainage, and frost data — not zone averages.

Three things about your lot that Kentucky texas sage averages can't show:

Your soil pHYour frost-free days — Kentucky averages 221Your sun & shade

We read public map data around Kentucky — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources read at your address, not the Kentucky texas sage average

Explore More

Explore Kentucky county by county

Kentucky carries 120 counties with their own USDA zone — a sample of the growing pages for texas sage there:

Where else texas sage grows

Texas Sage's zone band crosses state lines — these are the states closest to Kentucky in winter climate where it also has a page, plus the far ends of its range. Each one re-answers the question with that state's own record.

More to grow in Kentucky

Kentucky has a growing page for 893 plants — a rotating sample of the rest of the shelf.

Analysis by the Growable Ground research team, grounded in USDA PLANTS, USDA NRCS SSURGO, NOAA Climate Normals (1991-2020), and named Cooperative Extension sources. How we know →

Cite this dataset

Kirchick, M. (2026). Growable Ground Plant Database [Data set]. Zenodo. https://doi.org/10.5281/zenodo.21435643

Licensed CC BY-NC 4.0. DOI 10.5281/zenodo.21435643

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