
Lamiaceae
Sweet Basil
Ocimum basilicum
Fragrant foliage that thrives from zone 1a all the way to 13b
BernaBotto via Wikimedia Commons (cc by_sa_4)
About this plant
Ocimum basilicum, commonly known by the same Latin name it has carried for centuries, is a member of the Lamiaceae family, a sprawling clan that includes many of the world's most aromatic herbs. It belongs to the genus Ocimum, a group defined by its distinctively veined, softly textured leaves and the square stems that are a hallmark of the entire Lamiaceae family. As a perennial, it is built to return season after season rather than completing its life cycle in a single year.
What makes this plant genuinely remarkable for beginners is its extraordinary hardiness range. Rated for USDA zones 1a through 13b, it spans virtually every climate classification used in the continental United States, Alaska, Hawaii, and the territories: meaning that wherever you garden outdoors, this plant is on the table. Pair that with a beginner difficulty rating and a care commitment of roughly ten minutes per week, and you have one of the most accessible outdoor perennials available to a first-time gardener. Medium water needs mean it sits comfortably in the middle ground: not a drought-tolerant plant you can ignore, but not a thirsty specimen that demands daily attention either.
The gallery
Historical plates & modern photos

Bloom
PumpkinSky via Wikimedia Commons (cc by_sa_4)

Gallery
Andrey Butko via Wikimedia Commons (cc by_sa_3)

Gallery
Castielli via Wikimedia Commons (cc by_sa_3)
How to grow it
Five steps, start to bloom.
Written for beginners. If you've never grown anything before, this is all you need to keep this plant alive and happy.
Pick a spot
Find a spot with enough light for its needs. Plant it outdoors, ideally sheltered from the harshest afternoon wind.
Plant it
Any good all-purpose potting mix or well-drained garden soil will do. Give each plant enough room for its mature spread. Crowding causes more problems than undersizing the bed. Water it in gently once it's settled.
Water it
Water when the top inch of soil feels dry, roughly once a week in summer. Soak the soil, then let it breathe before the next round.
Feed & tend
This one is very forgiving. A balanced all-purpose fertiliser at the start of the growing season is plenty, and you can skip a month without harm. Plan on 10 minutes a week of hands-on care: watering, a quick trim, checking for pests.
Enjoy it
Watch for new growth in spring and summer. If the leaves look tired, trim the oldest ones back to encourage fresh foliage.
Year at a glance
What to do, month by month.
Approximate for a temperate North American zone. Shift earlier the further south you garden, later the further north.
Jan
January: Rest
Dormant
Feb
February: Rest
Dormant
Mar
March: Wake up
New growth
Apr
April: Tend
Routine care
May
May: Tend
Routine care
Jun
June: Tend
Routine care
Jul
July: Tend
Routine care
Aug
August: Tend
Routine care
Sep
September: Tend
Routine care
Oct
October: Tend
Routine care
Nov
November: Wind down
Prep for dormancy
Dec
December: Rest
Dormant
Pet & people safety
Non-toxic to common pets.
Verified against a primary poison-control source. Still, no plant is a snack. Grazing in quantity can upset the stomach of any animal, and the hotline below is there if something goes wrong.
Dogs
Non-toxic
Non-toxic per ASPCA. Common cooking herb.
Source: ASPCA
Record covers Sweet Basil toxicity for Dogs.
Cats
Non-toxic
Non-toxic per ASPCA.
Source: ASPCA
Record covers Sweet Basil toxicity for Cats.
Bloomwise is not a substitute for veterinary or medical advice. Every line above comes from a hand-verified reference.
Recommended supplies
#adHand-picked tools for this plant.
We may earn a commission if you buy through these links, at no extra cost to you. Every product is curated by hand and chosen because it actually helps with this plant, not because it pays the highest rate.
Amazon
FoxFarm Ocean Forest Potting Soil (12 qt)
A rich, slightly acidic organic potting mix that basil loves. One bag fills a 14-inch container with room for a 4-plant cluster.
$21.49 approx.
Amazon
AeroGarden Harvest indoor garden
If you want basil on the kitchen counter in February, nothing beats a soil-less aero-grow. Pre-seeded with Italian varieties.
$99.95 approx.
Burpee
Burpee 'Genovese' Basil Seeds
The pesto standard. One packet will feed a family's summer of caprese and a winter of frozen cubes if you sow a second round in July.
$4.95 approx.
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Frequently asked
Common questions.
- What USDA zones does Sweet Basil grow in?
- Sweet Basil is hardy in USDA zones 1a to 13b. If your winter lows fall outside that range, grow it in a container you can bring indoors, or treat it as an annual.
- How often should I water Sweet Basil?
- Water about once a week in summer, adjusting for rainfall. Soak the soil, then let it breathe before watering again.
- How much sunlight does Sweet Basil need?
- Sweet Basil prefers four to six hours of sun, ideally morning light.
- Is Sweet Basil safe for pets?
- Yes. Sweet Basil is listed as non-toxic to dogs and cats by verified poison-control sources. No plant is a snack, though, and grazing in quantity can still upset any animal's stomach.
- Is Sweet Basil good for beginners?
- Yes, this is a forgiving plant that tolerates inconsistent watering and the occasional missed feeding. A good choice for a first garden.
Sources
Plant facts on this page come from a blend of public-domain and open-licensed datasets: Biodiversity Heritage Library (historical botanical illustrations, public domain), USDA PLANTS (taxonomy, public domain), GBIF (occurrence and taxonomy, CC-BY 4.0), OpenFarm (crop guides, CC-BY-SA 3.0), and Open-Meteo (climate and hardiness lookup, CC-BY 4.0). Toxicity records come from the ASPCA Animal Poison Control Center and the Pet Poison Helpline; every row is hand-verified against a primary reference.