🌿 Holy Basil (Tulsi)
Ocimum tenuiflorum / Ocimum sanctum
herbs
perennial shrub (annual in temperate)

☀️ Sun
Full Sun to Partial Shade
💧 Water
Moderate
🗺️ Zones
4-9
🧪 Soil pH
6.0-7.5
📏 Spacing
12-18 in. apart, 18-24 in. between rows
⏱️ Maturity
60-75 days (from seed); harvest leaves throughout growing season starting at 40-50 days
Key:🤝 Grows well together❌ Keep apart☀️ Sun needs💧 Water🗺️ Hardiness zone
🤝 Companions (6)
Tulsi repels asparagus beetles; after asparagus harvest, tulsi fills the space and prevents weeds while continuing pest protection through summer.
Tulsi and oregano create a powerful pest-repelling aromatic barrier together; both are drought-tolerant Mediterranean-type herbs with complementary scents.
Chamomile enhances essential oil production in tulsi; both attract beneficial insects and share similar watering needs in the herb garden.
Tulsi and marigold form a dual pest-defense system , tulsi repels flying pests while marigolds deter soil nematodes; both attract pollinators.
Tulsi deters aphids, spider mites, and thrips from peppers; both enjoy similar warm, sunny conditions and well-drained soil.
Tulsi repels tomato hornworms, whiteflies, and mosquitoes; research suggests it may enhance tomato growth and flavor when planted nearby.
⚠️ Keep Apart (3)
Growth inhibition or competition
Growth inhibition or competition
⚠️ rue
Growth inhibition or competition
🛒 Buy Seeds & Plants
Baker Creek Heirloom Seeds
Johnny's Selected Seeds
Botanical Interests
True Leaf Market
Burpee
Territorial Seed Company
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