When to plant · 24 cities · zones 4a–5a
When to plant basil in Minnesota
Start Genovese Basil seeds indoors around Apr 6 and transplant around May 18 — the Minnesota statewide median, counted from a last spring frost of May 4 across 874 ZIP codes and 186 NOAA stations.
The rule: Basil is damaged below about 50 °F, well before frost: transplant two weeks after the last frost, not on it.
Minnesota basil, by step
Statewide median last frost May 4, first fall frost Oct 4, 2027 season. Each cultivar's own indoor lead time and days to maturity, same engine as the Plan Builder.
| Cultivar | Start indoors | Plant out | First harvest | Days |
|---|---|---|---|---|
| Genovese BasilGenovese | Apr 6 | May 18 | Jul 17 | 60 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 Minnesota's ZIP codes resolve to; 7 of 881 ZIPs have no datable freeze and are left out.
Basil in Minnesota, city by city
Genovese Basil, scheduled from each city's nearest NOAA station — the same dates as its frost page.
| City | Last frost | Start indoors | Plant out | First harvest |
|---|---|---|---|---|
| Minneapoliszone 5a | Apr 23 | Mar 26 | May 7 | Jul 6 |
| St. Paulzone 5a | Apr 24 | Mar 27 | May 8 | Jul 7 |
| Rochesterzone 4b | Apr 30 | Apr 2 | May 14 | Jul 13 |
| Bloomingtonzone 5a | Apr 23 | Mar 26 | May 7 | Jul 6 |
| Duluthzone 4b | May 14 | Apr 16 | May 28 | Jul 27 |
| Brooklyn Parkzone 5a | Apr 30 | Apr 2 | May 14 | Jul 13 |
| Woodburyzone 5a | Apr 26 | Mar 29 | May 10 | Jul 9 |
| Plymouthzone 5a | Apr 29 | Apr 1 | May 13 | Jul 12 |
| Lakevillezone 4b | Apr 27 | Mar 30 | May 11 | Jul 10 |
| Blainezone 5a | May 5 | Apr 7 | May 19 | Jul 18 |
| Maple Grovezone 5a | Apr 30 | Apr 2 | May 14 | Jul 13 |
| St. Cloudzone 4b | May 3 | Apr 5 | May 17 | Jul 16 |
| Eaganzone 5a | May 2 | Apr 4 | May 16 | Jul 15 |
| Burnsvillezone 5a | Apr 23 | Mar 26 | May 7 | Jul 6 |
| Coon Rapidszone 5a | May 5 | Apr 7 | May 19 | Jul 18 |
| Eden Prairiezone 5a | Apr 23 | Mar 26 | May 7 | Jul 6 |
| Apple Valleyzone 5a | May 2 | Apr 4 | May 16 | Jul 15 |
| Edinazone 5a | Apr 23 | Mar 26 | May 7 | Jul 6 |
| Minnetonkazone 5a | Apr 23 | Mar 26 | May 7 | Jul 6 |
| St. Louis Parkzone 5a | Apr 29 | Apr 1 | May 13 | Jul 12 |
| Shakopeezone 5a | Apr 23 | Mar 26 | May 7 | Jul 6 |
| Mankatozone 5a | Apr 30 | Apr 2 | May 14 | Jul 13 |
| Moorheadzone 4a | May 5 | Apr 7 | May 19 | Jul 18 |
| Cottage Grovezone 5a | Apr 23 | Mar 26 | May 7 | Jul 6 |
What these basil become
What Minnesota basil need
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.
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.
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.
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.
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 Minnesota: questions
When should I plant basil in Minnesota?
Transplant around May 18 at the statewide median; across the state that date runs from May 9 in the warmest tenth of Minnesota's ZIP codes to May 30 in the coldest. To cut the freeze risk to one year in ten, count from May 18 instead of the median last frost. Use the city table for your own town.
When do I start basil seeds indoors in Minnesota?
Around Apr 6 for Genovese Basil: 4 weeks before the statewide median last frost, on soil held at 70–80 °F.
When is the last frost in Minnesota?
The ZIP-weighted median of NOAA 1991–2020 station medians is May 4. In the warmest tenth of Minnesota's ZIP codes the median last frost falls on or before Apr 25; in the coldest tenth, on or after May 16.
When will Minnesota basil be ready to harvest?
Genovese Basil planted on the statewide date is ready around Jul 17: 60 days from transplant.
More for Minnesota
- When to plant tomatoes
- When to plant peppers
- When to plant tomatillos
- When to plant onions
- When to plant cilantro
- When to plant carrots
- When to plant mustard greens
Basil in every state → · Minnesota frost dates → · How frost-date math works →