Holy Basil

Ocimum tenuiflorum, Lamiaceae

Zones

10a–11b

Layer

Herbaceous

Lifespan

Perennial

Growth

Fast

Guild Roles

ProducerPest ConfuserPollinator Attractor

Growing Conditions

Sun

Full Sun (optimal)

Water

Moderate

Soil pH

6 – 7.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Apple MintMentha suaveolens

Pest DeterrentBeneficial Insect Habitat

Curry LeafMurraya koenigii

Pest DeterrentPollinator Sharing

KatukSauropus androgynus

Pest DeterrentPollinator Sharing

AshwagandhaWithania somnifera

Pest DeterrentBeneficial Insect Habitat

Antagonistic Plants

Crown of ThornsEuphorbia milii

Crown of thorns latex and chemical compounds can suppress holy basil growth

San Pedro CactusEchinopsis pachanoi

San Pedro cactus contains alkaloids that can negatively affect sensitive herbs like holy basil

Pencil CactusEuphorbia tirucalli

Pencil Cactus latex may inhibit Holy Basil in tropical companion plantings

Uses

Functions

FoodMedicine

Edible Parts

Leaves

Common Questions

What zones does Holy Basil grow in?

Holy Basil grows in USDA hardiness zones 10a through 11b.

What are good companion plants for Holy Basil?

Good companions for Holy Basil include Apple Mint, Curry Leaf, Katuk, Ashwagandha.

Design guilds with Holy Basil and see companion relationships visually.

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