When to plant · 10 cities · zones 6a–7a

When to plant basil in Kansas

Start Genovese Basil seeds indoors around Mar 20 and transplant around May 1 — the Kansas statewide median, counted from a last spring frost of Apr 17 across 692 ZIP codes and 179 NOAA stations.

Mar 20Start indoors4 weeks before last frost
May 1Plant outApr 22 – May 12 across the state
Apr 17Last spring frostmedian · 1 in 10 years after May 1
Jun 30First harvest60 days from transplant

The rule: Basil is damaged below about 50 °F, well before frost: transplant two weeks after the last frost, not on it.

Kansas basil, by step

Statewide median last frost Apr 17, first fall frost Oct 22, 2027 season. Each cultivar's own indoor lead time and days to maturity, same engine as the Plan Builder.

CultivarStart indoorsPlant outFirst harvestDays
Genovese BasilGenoveseMar 20May 1Jun 3060 from transplant

Tight means first harvest lands within two weeks of the median first fall frost. Statewide dates are the ZIP-weighted median of every NOAA 1991–2020 station Kansas's ZIP codes resolve to.

Basil in Kansas, city by city

Genovese Basil, scheduled from each city's nearest NOAA station — the same dates as its frost page.

CityLast frostStart indoorsPlant outFirst harvest
Wichitazone 7aApr 11Mar 14Apr 25Jun 24
Overland Parkzone 6bApr 10Mar 13Apr 24Jun 23
Kansas Cityzone 6bApr 16Mar 19Apr 30Jun 29
Olathezone 6bApr 13Mar 16Apr 27Jun 26
Topekazone 6bApr 12Mar 15Apr 26Jun 25
Lawrencezone 6bApr 12Mar 15Apr 26Jun 25
Shawneezone 6bApr 16Mar 19Apr 30Jun 29
Lenexazone 6bApr 10Mar 13Apr 24Jun 23
Manhattanzone 6aApr 16Mar 19Apr 30Jun 29
Salinazone 6bApr 18Mar 21May 2Jul 1

What Kansas basil need

SeedsThe cultivar decides the sauce. Everything downstream is damage control.
  • Genovese Sweet Basil Seed

    The large-leaf, low-anise Italian basil that pesto is defined by. Thai and lemon basils are good plants and wrong ingredients.

StartSoil temperature and light intensity, indoors, weeks before your frost date.
  • Organic Seed Starter Potting MixMust have

    Seed-starting mix is not potting soil with a nicer label — it is finer, lighter, and low in nutrients on purpose, because a seedling's first roots want air and moisture, not fertiliser.

  • T8 Full-Spectrum Grow Lights, 1 ft 4-packMust have

    A south window in March delivers a fraction of the light a pepper seedling needs, and the plant tells you by stretching. Two inches of LED above the canopy for 16 hours a day fixes it permanently.

GrowRoot volume, nutrition and structure. Where most home crops actually fail.
  • 5-Gallon Fabric Grow Bags, 5-Pack

    Fabric pots air-prune roots and drain faster than a plastic pot can, which is the entire reason container tomatoes fail. Five gallons is the honest minimum for a pepper; a tomato wants ten.

  • Ocean Forest Potting SoilMust have

    Pre-charged with enough nutrition to carry a transplant for its first month without feeding, which is exactly the window when most container plants stall.

HarvestTiming, handling, and weighing what you actually got.
  • 6" Micro-Tip Pruning SnipsMust have

    Ninety percent of sauce-garden cutting is snipping a pepper stem or a basil node, and a fine-tipped snip does it better than any pruner. Pulling peppers by hand tears the branch.

CookReduction, texture, and the non-reactive pans that keep tomato tasting like tomato.
  • Mesh Strainers, Stainless, 3-Count

    The last pass before bottling. A fine mesh catches the skin fragments and seed shards that make a hot sauce gritty and clog a woozy bottle's dripper insert.

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Basil in Kansas: questions

When should I plant basil in Kansas?

Transplant around May 1 at the statewide median; across the state that date runs from Apr 22 in the warmest tenth of Kansas's ZIP codes to May 12 in the coldest. To cut the freeze risk to one year in ten, count from May 1 instead of the median last frost. Use the city table for your own town.

When do I start basil seeds indoors in Kansas?

Around Mar 20 for Genovese Basil: 4 weeks before the statewide median last frost, on soil held at 70–80 °F.

When is the last frost in Kansas?

The ZIP-weighted median of NOAA 1991–2020 station medians is Apr 17. In the warmest tenth of Kansas's ZIP codes the median last frost falls on or before Apr 8; in the coldest tenth, on or after Apr 28.

When will Kansas basil be ready to harvest?

Genovese Basil planted on the statewide date is ready around Jun 30: 60 days from transplant.

More for Kansas

Basil in every state → · Kansas frost dates → · How frost-date math works →