When to plant · 202 cities · zones 8a–11a

When to plant basil in California

Start Genovese Basil seeds indoors around Jan 10 and transplant around Feb 21 — the California statewide median, counted from a last spring frost of Feb 7 across 1,426 ZIP codes and 311 NOAA stations.

Jan 10Start indoors4 weeks before last frost
Feb 21Plant outJan 19 – May 18 across the state
Feb 7Last spring frostmedian · 1 in 10 years after Mar 12
Apr 22First 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.

California basil, by step

Statewide median last frost Feb 7, first fall frost Dec 7, 2027 season. Each cultivar's own indoor lead time and days to maturity, same engine as the Plan Builder.

CultivarStart indoorsPlant outFirst harvestDays
Genovese BasilGenoveseJan 10Feb 21Apr 2260 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 California's ZIP codes resolve to; 375 of 1,801 ZIPs have no datable freeze and are left out.

Basil in California, 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
Los Angeleszone 10bfrost rareJan 3Feb 14Apr 15
San Diegozone 10bfrost rareJan 3Feb 14Apr 15
San Josezone 9bJan 2Dec 5Jan 16Mar 17
Fresnozone 9bJan 14Dec 17Jan 28Mar 29
Sacramentozone 9bJan 12Dec 15Jan 26Mar 27
Long Beachzone 10bfrost rareJan 3Feb 14Apr 15
Oaklandzone 10afrost rareJan 3Feb 14Apr 15
Bakersfieldzone 9bJan 31Jan 3Feb 14Apr 15
Anaheimzone 10afrost rareJan 3Feb 14Apr 15
Stocktonzone 9bFeb 5Jan 8Feb 19Apr 20
Riversidezone 10aJan 9Dec 12Jan 23Mar 24
Irvinezone 10aJan 5Dec 8Jan 19Mar 20
Santa Anazone 10bfrost rareJan 3Feb 14Apr 15
Chula Vistazone 10bJan 6Dec 9Jan 20Mar 21
Santa Claritazone 10aJan 8Dec 11Jan 22Mar 23
Fremontzone 10aJan 1Dec 4Jan 15Mar 16
San Bernardinozone 10aMay 5Apr 7May 19Jul 18
Modestozone 9bJan 31Jan 3Feb 14Apr 15
Fontanazone 10aJan 4Dec 7Jan 18Mar 19
Moreno Valleyzone 9bJan 10Dec 13Jan 24Mar 25
Oxnardzone 10bfrost rareJan 3Feb 14Apr 15
Huntington Beachzone 10bfrost rareJan 3Feb 14Apr 15
Glendalezone 10aJan 8Dec 11Jan 22Mar 23
Ontariozone 10aJan 4Dec 7Jan 18Mar 19
Elk Grovezone 9bFeb 2Jan 5Feb 16Apr 17
Santa Rosazone 9aFeb 25Jan 28Mar 11May 10
Rancho Cucamongazone 10aJan 4Dec 7Jan 18Mar 19
Garden Grovezone 10bfrost rareJan 3Feb 14Apr 15
Oceansidezone 10aJan 23Dec 26Feb 6Apr 7
Lancasterzone 8aApr 3Mar 6Apr 17Jun 16
Rosevillezone 9bFeb 25Jan 28Mar 11May 10
Palmdalezone 8bMar 10Feb 10Mar 24May 23
Coronazone 10aJan 17Dec 20Jan 31Apr 1
Salinaszone 9bJan 29Jan 1Feb 12Apr 13
Haywardzone 10aJan 2Dec 5Jan 16Mar 17
Sunnyvalezone 10aJan 6Dec 9Jan 20Mar 21
Escondidozone 10aJan 2Dec 5Jan 16Mar 17
Pomonazone 10aJan 8Dec 11Jan 22Mar 23
Visaliazone 9bJan 23Dec 26Feb 6Apr 7
Victorvillezone 8bMar 18Feb 18Apr 1May 31
Fullertonzone 10bfrost rareJan 3Feb 14Apr 15
Torrancezone 10bJan 9Dec 12Jan 23Mar 24
Orangezone 10bfrost rareJan 3Feb 14Apr 15
Pasadenazone 10aJan 8Dec 11Jan 22Mar 23
Santa Clarazone 9bJan 12Dec 15Jan 26Mar 27
Cloviszone 9bJan 14Dec 17Jan 28Mar 29
Simi Valleyzone 10aJan 24Dec 27Feb 7Apr 8
Thousand Oakszone 10afrost rareJan 3Feb 14Apr 15
Concordzone 9bJan 9Dec 12Jan 23Mar 24
Vallejozone 9bMar 5Feb 5Mar 19May 18
Fairfieldzone 9bJan 15Dec 18Jan 29Mar 30
Berkeleyzone 10aJan 3Dec 6Jan 17Mar 18
Antiochzone 9bJan 12Dec 15Jan 26Mar 27
Menifeezone 9bJan 28Dec 31Feb 11Apr 12
Richmondzone 10aJan 4Dec 7Jan 18Mar 19
Carlsbadzone 10bfrost rareJan 3Feb 14Apr 15
Murrietazone 9bFeb 2Jan 5Feb 16Apr 17
Temeculazone 9bFeb 2Jan 5Feb 16Apr 17
Santa Mariazone 9bFeb 4Jan 7Feb 18Apr 19
San Buenaventura (Ventura)zone 10afrost rareJan 3Feb 14Apr 15
Downeyzone 10bfrost rareJan 3Feb 14Apr 15
Costa Mesazone 10bfrost rareJan 3Feb 14Apr 15
Jurupa Valleyzone 10aJan 9Dec 12Jan 23Mar 24
West Covinazone 10aJan 8Dec 11Jan 22Mar 23
Rialtozone 10aJan 10Dec 13Jan 24Mar 25
El Montezone 10bJan 4Dec 7Jan 18Mar 19
Vacavillezone 9bFeb 18Jan 21Mar 4May 3
Burbankzone 10aJan 2Dec 5Jan 16Mar 17
El Cajonzone 10aJan 6Dec 9Jan 20Mar 21
San Mateozone 10afrost rareJan 3Feb 14Apr 15
Chicozone 9bMar 4Feb 4Mar 18May 17
Inglewoodzone 10bfrost rareJan 3Feb 14Apr 15
Hesperiazone 8bMay 5Apr 7May 19Jul 18
Daly Cityzone 10afrost rareJan 3Feb 14Apr 15
Tracyzone 9bJan 19Dec 22Feb 2Apr 3
Vistazone 10aJan 30Jan 2Feb 13Apr 14
Norwalkzone 10bfrost rareJan 3Feb 14Apr 15
San Marcoszone 10aJan 2Dec 5Jan 16Mar 17
Mercedzone 9aMar 3Feb 3Mar 17May 16
Mantecazone 9bFeb 6Jan 9Feb 20Apr 21
Indiozone 10afrost rareJan 3Feb 14Apr 15
Chinozone 9bJan 17Dec 20Jan 31Apr 1
Reddingzone 9aMar 3Feb 3Mar 17May 16
Hemetzone 9bJan 31Jan 3Feb 14Apr 15
Mission Viejozone 10bJan 5Dec 8Jan 19Mar 20
Carsonzone 10bfrost rareJan 3Feb 14Apr 15
Comptonzone 10bfrost rareJan 3Feb 14Apr 15
South Gatezone 10bfrost rareJan 3Feb 14Apr 15
Santa Monicazone 11afrost rareDec 18Jan 29Mar 30
Westminsterzone 10afrost rareJan 3Feb 14Apr 15
Folsomzone 9bJan 12Dec 15Jan 26Mar 27
Mountain Viewzone 9bJan 6Dec 9Jan 20Mar 21
Santa Barbarazone 10bJan 13Dec 16Jan 27Mar 28
Lake Forestzone 10bJan 5Dec 8Jan 19Mar 20
Citrus Heightszone 9bJan 12Dec 15Jan 26Mar 27
San Leandrozone 10aJan 7Dec 10Jan 21Mar 22
San Ramonzone 9bFeb 15Jan 18Mar 1Apr 30
Whittierzone 10bfrost rareJan 3Feb 14Apr 15
Livermorezone 9bFeb 15Jan 18Mar 1Apr 30
Rancho Cordovazone 9bJan 12Dec 15Jan 26Mar 27
Hawthornezone 10bfrost rareJan 3Feb 14Apr 15
Perriszone 9bJan 10Dec 13Jan 24Mar 25
Redwood Cityzone 10aJan 17Dec 20Jan 31Apr 1
Newport Beachzone 10bfrost rareJan 3Feb 14Apr 15
Buena Parkzone 10afrost rareJan 3Feb 14Apr 15
Alhambrazone 10aJan 4Dec 7Jan 18Mar 19
Milpitaszone 10aJan 12Dec 15Jan 26Mar 27
Uplandzone 10aJan 4Dec 7Jan 18Mar 19
Tustinzone 10afrost rareJan 3Feb 14Apr 15
Alamedazone 10aJan 7Dec 10Jan 21Mar 22
Lakewoodzone 10afrost rareJan 3Feb 14Apr 15
Chino Hillszone 10aJan 17Dec 20Jan 31Apr 1
Pittsburgzone 9bJan 9Dec 12Jan 23Mar 24
Napazone 9bFeb 12Jan 15Feb 26Apr 27
Bellflowerzone 10bfrost rareJan 3Feb 14Apr 15
Pleasantonzone 9bFeb 15Jan 18Mar 1Apr 30
Rocklinzone 9bFeb 25Jan 28Mar 11May 10
Apple Valleyzone 8bMar 18Feb 18Apr 1May 31
Redlandszone 10aJan 27Dec 30Feb 10Apr 11
Lake Elsinorezone 9bJan 28Dec 31Feb 11Apr 12
Turlockzone 9bJan 6Dec 9Jan 20Mar 21
Tularezone 9bJan 23Dec 26Feb 6Apr 7
Walnut Creekzone 9bMar 8Feb 8Mar 22May 21
Eastvalezone 10aJan 17Dec 20Jan 31Apr 1
Dublinzone 9bFeb 15Jan 18Mar 1Apr 30
Camarillozone 10afrost rareJan 3Feb 14Apr 15
Baldwin Parkzone 10aJan 4Dec 7Jan 18Mar 19
Yuba Cityzone 9bFeb 11Jan 14Feb 25Apr 26
Maderazone 9bFeb 12Jan 15Feb 26Apr 27
Lodizone 9bFeb 9Jan 12Feb 23Apr 24
Redondo Beachzone 11afrost rareDec 18Jan 29Mar 30
Palo Altozone 9bFeb 1Jan 4Feb 15Apr 16
Daviszone 9bFeb 10Jan 13Feb 24Apr 25
Yorba Lindazone 10afrost rareJan 3Feb 14Apr 15
Brentwoodzone 9bJan 12Dec 15Jan 26Mar 27
Union Cityzone 9bJan 2Dec 5Jan 16Mar 17
South San Franciscozone 10afrost rareJan 3Feb 14Apr 15
Laguna Niguelzone 10bJan 6Dec 9Jan 20Mar 21
Lynwoodzone 10bfrost rareJan 3Feb 14Apr 15
Portervillezone 9bFeb 20Jan 23Mar 6May 5
Woodlandzone 9bFeb 7Jan 10Feb 21Apr 22
San Clementezone 10bJan 6Dec 9Jan 20Mar 21
Santa Cruzzone 9bJan 29Jan 1Feb 12Apr 13
La Habrazone 10afrost rareJan 3Feb 14Apr 15
Encinitaszone 10afrost rareJan 3Feb 14Apr 15
La Mesazone 10bJan 6Dec 9Jan 20Mar 21
Montebellozone 10bJan 4Dec 7Jan 18Mar 19
Hanfordzone 9aFeb 7Jan 10Feb 21Apr 22
Gilroyzone 9bFeb 24Jan 27Mar 10May 9
San Rafaelzone 10aJan 11Dec 14Jan 25Mar 26
Beaumontzone 9bJan 31Jan 3Feb 14Apr 15
Petalumazone 9bFeb 28Jan 31Mar 14May 13
Pico Riverazone 10bJan 4Dec 7Jan 18Mar 19
Santeezone 10aJan 6Dec 9Jan 20Mar 21
Gardenazone 10bfrost rareJan 3Feb 14Apr 15
Cupertinozone 9bMar 21Feb 21Apr 4Jun 3
National Cityzone 10bfrost rareJan 3Feb 14Apr 15
Monterey Parkzone 10bJan 4Dec 7Jan 18Mar 19
Highlandzone 10aJan 27Dec 30Feb 10Apr 11
Lincolnzone 9aFeb 25Jan 28Mar 11May 10
Fountain Valleyzone 10bfrost rareJan 3Feb 14Apr 15
West Sacramentozone 9bFeb 2Jan 5Feb 16Apr 17
San Jacintozone 9bJan 31Jan 3Feb 14Apr 15
Arcadiazone 10aJan 4Dec 7Jan 18Mar 19
Yucaipazone 9bJan 27Dec 30Feb 10Apr 11
Coltonzone 10aJan 10Dec 13Jan 24Mar 25
Placentiazone 10bfrost rareJan 3Feb 14Apr 15
Delanozone 9bJan 31Jan 3Feb 14Apr 15
Palm Desertzone 10afrost rareJan 3Feb 14Apr 15
Cathedral Cityzone 10aJan 9Dec 12Jan 23Mar 24
Novatozone 9bJan 11Dec 14Jan 25Mar 26
Diamond Barzone 10aJan 8Dec 11Jan 22Mar 23
Huntington Parkzone 10bfrost rareJan 3Feb 14Apr 15
Watsonvillezone 9bJan 31Jan 3Feb 14Apr 15
Paramountzone 10bfrost rareJan 3Feb 14Apr 15
Aliso Viejozone 10bJan 6Dec 9Jan 20Mar 21
Glendorazone 10aJan 8Dec 11Jan 22Mar 23
San Luis Obispozone 9bJan 16Dec 19Jan 30Mar 31
Rosemeadzone 10bJan 4Dec 7Jan 18Mar 19
Powayzone 10aMar 4Feb 4Mar 18May 17
Cypresszone 10afrost rareJan 3Feb 14Apr 15
Cereszone 9bJan 31Jan 3Feb 14Apr 15
Covinazone 10aJan 8Dec 11Jan 22Mar 23
Los Banoszone 9aJan 26Dec 29Feb 9Apr 10
Azusazone 10aApr 28Mar 31May 12Jul 11
Breazone 10afrost rareJan 3Feb 14Apr 15
Oakleyzone 9bJan 12Dec 15Jan 26Mar 27
Cerritoszone 10afrost rareJan 3Feb 14Apr 15
La Miradazone 10afrost rareJan 3Feb 14Apr 15
Rancho Santa Margaritazone 10bfrost rareJan 3Feb 14Apr 15
Newarkzone 10aJan 1Dec 4Jan 15Mar 16
Morgan Hillzone 9bFeb 24Jan 27Mar 10May 9
Palm Springszone 10aJan 9Dec 12Jan 23Mar 24
Coachellazone 10aFeb 7Jan 10Feb 21Apr 22
Hollisterzone 9bFeb 19Jan 22Mar 5May 4
Rohnert Parkzone 9aFeb 28Jan 31Mar 14May 13
El Centrozone 10aJan 3Dec 6Jan 17Mar 18
Lompoczone 10aJan 20Dec 23Feb 3Apr 4
Danvillezone 9bMar 8Feb 8Mar 22May 21
Campbellzone 9bFeb 2Jan 5Feb 16Apr 17
San Brunozone 10aJan 11Dec 14Jan 25Mar 26
Stantonzone 10afrost rareJan 3Feb 14Apr 15

What California 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 California: questions

When should I plant basil in California?

Transplant around Feb 21 at the statewide median; across the state that date runs from Jan 19 in the warmest tenth of California's ZIP codes to May 18 in the coldest. To cut the freeze risk to one year in ten, count from Mar 12 instead of the median last frost. Use the city table for your own town.

When do I start basil seeds indoors in California?

Around Jan 10 for Genovese Basil: 4 weeks before the statewide median last frost, on soil held at 70–80 °F.

When is the last frost in California?

The ZIP-weighted median of NOAA 1991–2020 station medians is Feb 7. In the warmest tenth of California's ZIP codes the median last frost falls on or before Jan 5; in the coldest tenth, on or after May 4.

When will California basil be ready to harvest?

Genovese Basil planted on the statewide date is ready around Apr 22: 60 days from transplant.

More for California

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