What it is
Holy Basil (Tulsi) (Ocimum tenuiflorum) is in the Lamiaceae (Mint) family. A revered medicinal and tea basil with a clove-pepper aroma. Bees love the flowers - let some bloom.
How to grow it
It wants full sun, water it moderate, and give it rich soil. Target a soil pH around 6.0-7.0. Space plants about 12 in apart. Expect roughly 60-90. Warm-season; self-sows.
How it's used
Holy Basil (Tulsi) is used: tea, fresh, medicinal.
🔎 How to identify it
- Toothed often-purple leaves
- Hairy square stems
- Purple flower spikes
Edibility
How to grow & propagate holy basil (tulsi)
Everything I've worked out about starting this one, keeping it alive through a Texas year, and turning one plant into many — free.
How to propagate holy basil (tulsi)
Almost everything in the mint family roots from cuttings so readily it feels like cheating. Snip a 4–5 inch non-flowering tip, strip the bottom leaves, and either set it in a glass of water on the windowsill or push it straight into damp potting mix. You'll usually see roots in 1–2 weeks. Seed works too, but cuttings give you an exact copy of the parent — which matters when one plant tastes better than its neighbor.
Beginner's path: take more cuttings than you think you need. They're free, they cost you nothing but a few minutes, and the ones that take more than make up for the ones that don't. This is how a single plant becomes a hedge, a row, or a gift for every neighbor on the street.
Growing holy basil (tulsi) in Texas
Give it full sun and rich soil. Match the spot to the plant and most of the battle is already won.
Time your planting to our long warm season and watch the frost dates at both ends; the live weather tool on this site is built for exactly that.
Keep moisture even, especially while it's young — deep, less-frequent soaks build better roots than a daily sprinkle.
Harvesting
Figure on roughly 60-90 before you're harvesting. Pick herbs in the morning after the dew dries for the strongest oils, and harvest little and often — regular cutting keeps a herb bushy and stops it bolting. The part you're after: leaves and flowers.
Making more for free
Save it the easy way — vegetatively. Because you can clone this plant from a cutting, division, or piece of root, you never have to buy it again: keep one healthy mother plant and make all the copies you want.
Keep this knowledge offline
A garden full of holy basil (tulsi) is a real asset when times get hard — but the know-how to grow, store, and use it shouldn't live only on a website you can't reach. That's why I keep a copy of the references I rely on on a local server at home. Project NOMAD is a free, open-source way to run Wikipedia, survival and medical guides, maps, and even a private AI on your own hardware — knowledge that keeps working with no internet, no cloud, no signal.
See how I keep my library offline →Part of the free Texas Roots plant database, compiled by Jordan Polasek from his greenhouse in El Campo, Texas. Free to read and share. If it helped, the best thanks is to grow something.