Yes — Strong Match
French tarragon (zones 3-7) covers every zone Kansas contains (5b-7a), so hardiness is not what limits it anywhere in the state.
French Tarragon in Kansas — the short answer
French Tarragon in Kansas: hardy in zones 3–7, against a state median of ~208 frost-free days.
- Plant zones
- 3-7
- 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
- Kansas zones
- 5b-7a
- USDA PHZM 2023
- Frost window
- Apr 1 - Apr 12 – Oct 25 - Nov 3
- NOAA RCC ACIS 1991-2020, 28°F
- Shortest county season
- 177 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.
Your yard isn't the whole zone.
Kansas spans zones 5b-7a, 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 french tarragon against your land's actual soil, sun, and frost.
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Kansas is not one climate
A single Kansas answer averages 105 counties whose growing seasons are 54 days apart — from 177 frost-free days in Greeley County to 231 in Crawford County. Which end of that your land sits nearer changes what french tarragon can finish before the first hard freeze.
The middle half of 105 counties runs 197–216 days, with a median of 208 days — a 54-day span end to end.
Measured across 105 Kansas counties. NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze. 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 in Kansas Fits Best
Even within Kansas's zones 5b-7a, county microclimates differ enough to change what thrives. These counties carry the closest zone match for french tarragon (USDA PHZM 2023):
Zone Comparison
French Tarragon Needs
- USDA Zones: 3-7
- Picking window: ~90 days of harvest
Kansas Has
- USDA Zones: 5b-7a
- Last Hard Freeze (28°F): Apr 1 - Apr 12
- First Hard Freeze (28°F): Oct 25 - Nov 3
- Annual Rainfall: 16-42 inches
- Common Soils: Prairie loam, Silt loam, Clay
Plant Zone Range (zones 3-7)
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 French Tarragon in Kansas
The frost window
Across Kansas, the last spring hard freeze (28°F) clears between Apr 1 and Apr 12, and the first fall hard freeze lands between Oct 25 and Nov 3 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 196-day window you can count on — up to 216 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.
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.
Before you plant french tarragon for food
Anything you grow to eat takes up what is in the ground it grows in, so what is on record near you is worth knowing before french tarragon goes in. What follows is Kansas’s documented federal record at state scale — a screening signal, not a soil test, and not a statement about any one lot.
Safe to Grow Here?
What the federal record shows across Kansas — and how to grow with it.
We checked the federal record across Kansas — 33,298 documented sites across 8 of the 9 source types we track.
The most significant on record: 146 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.
Kansas carries one of the heavier federal records we track — and that's not a verdict on your yard. Proximity to a documented site is information, not a diagnosis: nothing here says any particular parcel is affected. It does earn one concrete step — before food beds go in the ground, a professional soil test tells you exactly what you're working with, and raised beds with clean imported soil grow well almost anywhere in the meantime.
Sources Checked
across Kansas
Severity Distribution
across Kansas
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Kansas, two things run higher than the national average across Kansas — Nitrate (15,878 sites) and CAFO (485 sites). That's not a problem with your land — it's information about it.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
CAFO: CAFOs pose a different contamination profile than chemical sources.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Wash all produce consumed raw thoroughly, especially leafy greens grown near CAFOs.
Sources: EPA, USGS — 1.8M documented sites tracked nationwide across 9 federal source types.
What Else to Consider for French Tarragon in Kansas
Zone compatibility tells you about winter cold survival — but Kansas growers also need to think about:
Low rainfall in western KS requires irrigation
Extreme wind and hail during severe storm season
Hot dry summers with 100F+ days
What to actually do about these — and the constraints that apply to every Kansas grower, not just french tarragon — is covered on the Kansas growing guide.
Where in Kansas French Tarragon Is Zone-Hardy
French Tarragon is rated for USDA zones 3–7. Every one of Kansas’s 105 counties sits inside that band — from Atchison County at zone 6a to Wilson County at zone 7a — so winter cold is not what decides this plant anywhere in the state. What is left to vary is your own parcel: slope, shelter and cold-air drainage routinely move a site half a zone either way from the county figure.
Across those 105 counties Kansas’s winter-low ladder runs from zone 6a in Atchison County to zone 7a in Wilson County — 1 USDA zone of spread, which is 10°F between the two counties’ average coldest night of the year. That is why a statewide hardiness answer is where you start and not where you finish.
The planting window moves with it. Rawlins County holds its last hard freeze (28°F) until about Apr 23, while Cherokee County is clear by Mar 24 — 30 days apart. Set french tarragon out on your county’s date, not the state’s.
County hardiness zones: USDA Plant Hardiness Zone Map (PHZM) 2023, per county. County last-freeze dates: NOAA Regional Climate Centers ACIS (1991-2020), county 28°F killing freeze — earlier than the folk 32°F "last frost". French Tarragon’s zone 3–7 band: USDA PLANTS / Growable Ground plant database. A parcel report resolves your address’s own zone and frost dates rather than its county’s.
Kansas Cooperative Extension
For Kansas-specific cultivar recommendations, planting calendars, and pest pressure for french tarragon, the canonical source is K-State Research and Extension. Their fact sheets carry the local trial data we can't generalize across 50 states.
Common Questions About Growing French Tarragon in Kansas
When can I plant French Tarragon in Kansas?
Kansas's last spring hard freeze (28°F) clears between Apr 1 and Apr 12, and the first fall hard freeze lands between Oct 25 and Nov 3 (NOAA Regional Climate Centers ACIS, 1991-2020). Time outdoor planting to after the last hard freeze for your specific site — a further two to three weeks for anything tender — and count back from those dates for transplant scheduling.
What hardiness zone is French Tarragon grown in across Kansas?
Kansas spans USDA hardiness zones 5b-7a (USDA ARS PHZM 2023). French Tarragon carries a range of zones 3-7, so the overlap zones are where outdoor growing is most reliable.
How many frost-free days does a typical Kansas site have?
A typical Kansas site sees ~208 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). French Tarragon 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.
Will French Tarragon actually grow on my specific land in Kansas?
State-level zone + climate data is a sketch. A Growable Ground parcel report scores french tarragon 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 Kansas
State-level data is a sketch. Your Growable Ground report scores french tarragon against your parcel's exact soil, sun, drainage, and frost data — not zone averages.
Three things about your lot that Kansas french tarragon averages can't show:
We read public map data around Kansas — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Kansas french tarragon average
Explore More
Growing guides for french tarragon
Explore Kansas county by county
Kansas carries 105 counties with their own USDA zone — a sample of the growing pages for french tarragon there:
Where else french tarragon grows
French Tarragon's zone band crosses state lines — these are the states closest to Kansas 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 Kansas
Kansas has a growing page for 893 plants — a rotating sample of the rest of the shelf.
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