Holy

Family: Lamiaceae Herb

Planting Schedule

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Holy Basil brings an aromatic rush of cool, bright green fragrance—sweetly herbal with a lightly peppered lift that blooms as the leaves warm in the sun.

The foliage forms dense, upright clumps with tender, velvety leaves that are richly fragrant and pleasantly crisp in texture, ideal for everyday garden harvests. Grow Holy for bold, fragrant flavor in fresh garnishes and vibrant sauces, where its lifted aroma shines most clearly.

Light: Full SunMaturity: 60 DaysHabit: Upright

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Holy Planting Dates by USDA Zone

Estimated US hardiness-zone windows for sow, transplant, and harvest. Enter a US ZIP above for exact local dates, or open a zone below.

Zone	Start Indoors	Sow / Transplant	Harvest
Zone 1a	Protected Environment Only
Zone 1b	May 4th	Jul 27th	Sep 25th – Aug 1st
Zone 2a	Apr 27th	Jul 20th	Sep 18th – Aug 29th
Zone 2b	Apr 17th	Jul 10th	Sep 8th – Aug 25th
Zone 3a	Apr 17th	Jul 10th	Sep 8th – Sep 1st
Zone 3b	Apr 21st	Jul 14th	Sep 12th – Sep 21st
Zone 4a	Apr 17th	Jul 10th	Sep 8th – Sep 24th
Zone 4b	Apr 15th	Jul 8th	Sep 6th – Sep 27th
Zone 5a	Apr 10th	Jul 3rd	Sep 1st – Sep 30th
Zone 5b	Apr 6th	Jun 29th	Aug 28th – Oct 5th
Zone 6a	Apr 3rd	Jun 26th	Aug 25th – Oct 10th
Zone 6b	Mar 28th	Jun 20th	Aug 19th – Oct 16th
Zone 7a	Mar 23rd	Jun 15th	Aug 14th – Oct 20th
Zone 7b	Mar 13th	Jun 5th	Aug 4th – Oct 28th
Zone 8a	Mar 4th	May 27th	Jul 26th – Nov 5th
Zone 8b	Feb 23rd	May 18th	Jul 17th – Nov 12th
Zone 9a	Feb 6th	May 1st	Jun 30th – Nov 26th
Zone 9b	Jan 12th	Apr 6th	Jun 5th – Dec 9th
Zone 10a	—	Oct 1st	Nov 30th – Feb 28th
Zone 10b	—	Oct 1st	Nov 30th – Feb 28th
Zone 11a	—	Oct 1st	Nov 30th – Feb 28th
Zone 11b	—	Oct 1st	Nov 30th – Feb 28th
Zone 12a	—	Oct 1st	Nov 30th – Feb 28th
Zone 12b	—	Oct 1st	Nov 30th – Feb 28th
Zone 13a	—	Oct 1st	Nov 30th – Feb 28th
Zone 13b	—	Oct 1st	Nov 30th – Feb 28th

Crop Details

Trait	Value
Days to Maturity	60
Sun Requirements	Full Sun
Growth Habit	Upright
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	10

Culinary Notes

Chef's Note

Holy basil’s aroma stands up to heat better than many sweet basils—go in at the last moment and let the leaves stay crisp-tender instead of steaming into mush. Its cool-herbal, lightly peppered character loves acidic brightness (lime/lemon) and a little fat (coconut oil/milk) to carry the fragrance straight to the nose.

Best Uses

tear-and-drop garnish on hot rice or grilled meats right off the heat
quick blitz for glossy, no-cook herb sauces that stay vivid (pulse with oil)
stir into warm broths or noodles at the last second so the aroma doesn’t flatten
make a fragrant finishing pesto-style paste with nuts and lime or lemon

Flavor Profile

cool-bright green aromatics sweetly herbal with a lightly peppered lift velvety, crisp-tender leaves

Kitchen Pairings

lime garlic chili coconut milk fried eggs chicken

Frequently Asked Questions

What’s a common problem for Ocimum tenuiflorum (holy basil), and how do I treat it?

Holy basil commonly suffers from downy mildew and leaf spots when leaves stay wet and air is humid. Water at the soil line, remove heavily spotted leaves, and improve airflow by spacing plants well. If disease is active, use an approved copper-based fungicide and repeat as directed on the label.

How often should I water holy basil during its main growth (about the first 6–8 weeks)?

Keep the soil lightly moist but never waterlogged—holy basil performs best when the top 1 inch (2–3 cm) dries slightly between waterings. In warm, sunny weather this is often every 2–3 days, but adjust to container size and rainfall. Avoid wetting foliage because it increases mildew risk.

How do I know when holy basil is ready to harvest?

Harvest once plants reach about 8–12 inches (20–30 cm) tall and have several healthy sets of leaves, typically around 60 days from sowing. Snip leaf tips and small stem sections above a pair of leaves to encourage branching, and avoid removing more than one-third of the plant at a time. Plants are also ideal for continued harvest before flowers fully open; once flowering starts, leaf quality declines.