74days to harvest
5-10days to germinate
Z10–10USDA zones
Easydifficulty
HeirloomContainer friendly

Sowing

Direct sow after last frost when soil is 65°F+, or start indoors 6-8 weeks before last frost

Cultivation

Sun
Full sun to partial shade (4-6+ hours)
Water
1 inch per week, consistent moisture
Soil
Well-drained, fertile soil rich in organic matter
Soil pH
6.0-7.0
Spacing
12-18 inches
Height
0-3 feet
Season
Warm season annual

Appearance & flavour

Colour
Bright green leaves
Size
2-3"
Shape
Oval, slightly cupped leaves with smooth edges
Flavour
Sweet, aromatic with hints of clove and anise

In the kitchen

Pesto, pasta sauces, pizza, caprese, Thai and Italian dishes, fresh garnish

Pests, disease & resistance

Pests
Aphids, spider mites, Japanese beetles, slugs
Diseases
Fusarium wilt, bacterial leaf spot, downy mildew
Resistance
Moderate resistance to bacterial leaf spot

Planting calendar by USDA zone

ZoneStart indoorsTransplantDirect sowHarvest
10JanuaryFebruary – April—April – December

Companion planting

8 beneficial pairings indexed for this variety, 3 to avoid.

TomatoesBasil repels tomato hornworms and aphids, may improve tomato flavor
PeppersBasil deters aphids and spider mites that commonly affect peppers
OreganoBoth herbs have similar growing requirements and repel common garden pests
LettuceBasil provides light shade for lettuce and repels aphids that damage leafy greens
AsparagusBasil repels asparagus beetles and doesn't compete for root space
MarigoldsBoth plants repel aphids and whiteflies, creating a stronger pest deterrent
ParsleySimilar water and nutrient needs, basil helps repel pests that affect parsley
CarrotsBasil improves soil health and repels carrot flies without root competition

Avoid

RueAllelopathic properties inhibit basil growth and development
SageCompetes for similar nutrients and may stunt basil growth
ThymeCan inhibit basil germination and early growth through allelopathy

Nutrition (per 100 g)

Calories (per 100 g)
23
Protein (g)
3.15
Fat (g)
0.64
Carbohydrate (g)
2.65
Fibre (g)
1.6
Sugars (g)
0.3
Vitamin A (µg)
264
Vitamin C (mg)
18
Vitamin E (mg)
0.8
Vitamin K (µg)
415
Vitamin B6 (mg)
0.155
Folate (µg)
68
Calcium (mg)
177
Iron (mg)
3.17
Magnesium (mg)
64
Phosphorus (mg)
56
Potassium (mg)
295
Zinc (mg)
0.81
Selenium (µg)
0.3

Where to buy seed and equipment

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Growing it? There is a full cultivation guide at the herbs growing guide.

Cultivar facts compiled from public horticultural references including USDA GRIN and NC State Extension. Descriptions are original to this catalogue.

DarkGrow forum

Grown Sweet Basil?

Post a crop report — day counts, reservoir readings, what worked. Variety-specific logs are the most useful thing on the forum.

Similar varieties

Other herbs with a comparable time to harvest, so a season that suits Sweet Basil suits these too.

Browse all 104 herbs