When to plant · 2 cities · zones 5a–5b

When to plant basil in Wyoming

Start Genovese Basil seeds indoors around Apr 23 and transplant around Jun 4 — the Wyoming statewide median, counted from a last spring frost of May 21 across 151 ZIP codes and 93 NOAA stations.

Apr 23Start indoors4 weeks before last frost
Jun 4Plant outMay 25 – Jun 16 across the state
May 21Last spring frostmedian · 1 in 10 years after Jun 6
Aug 3First 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.

Wyoming basil, by step

Statewide median last frost May 21, first fall frost Sep 23, 2027 season. Each cultivar's own indoor lead time and days to maturity, same engine as the Plan Builder.

CultivarStart indoorsPlant outFirst harvestDays
Genovese BasilGenoveseApr 23Jun 4Aug 360 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 Wyoming's ZIP codes resolve to; 27 of 178 ZIPs have no datable freeze and are left out.

Basil in Wyoming, 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
Cheyennezone 5bMay 14Apr 16May 28Jul 27
Casperzone 5aMay 10Apr 12May 24Jul 23

What Wyoming 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.

Paid links. We earn a commission from Amazon if you buy; you pay the same. Disclosure.

Basil in Wyoming: questions

When should I plant basil in Wyoming?

Transplant around Jun 4 at the statewide median; across the state that date runs from May 25 in the warmest tenth of Wyoming's ZIP codes to Jun 16 in the coldest. To cut the freeze risk to one year in ten, count from Jun 6 instead of the median last frost. Use the city table for your own town.

When do I start basil seeds indoors in Wyoming?

Around Apr 23 for Genovese Basil: 4 weeks before the statewide median last frost, on soil held at 70–80 °F.

When is the last frost in Wyoming?

The ZIP-weighted median of NOAA 1991–2020 station medians is May 21. In the warmest tenth of Wyoming's ZIP codes the median last frost falls on or before May 11; in the coldest tenth, on or after Jun 2.

When will Wyoming basil be ready to harvest?

Genovese Basil planted on the statewide date is ready around Aug 3: 60 days from transplant.

More for Wyoming

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