Thai Gardens

Family: Lamiaceae Herb

Planting Schedule

Provide your location or planting zone to unlock dates and add Thai Gardens to a garden.

Fragrant as a warm breeze, ‘Thai Gardens’ basil unfurls with bright, peppery-anise lift and a clean, lingering sweetness.

Its tender leaves are glossy and finely textured, forming an upright, richly branched plant that stays flavorful for weeks—ideal for fresh use and for stirring into aromatic sauces, quick wok-style dishes, and fragrant garnishes. Grow it for its bold Thai basil character: aromatic, lively, and beautifully vigorous in the garden bed or pot.

Light: Full SunMaturity: 45 DaysHabit: Upright

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Thai Gardens 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 10th – Aug 1st
Zone 2a	Apr 27th	Jul 20th	Sep 3rd – Aug 29th
Zone 2b	Apr 17th	Jul 10th	Aug 24th – Aug 25th
Zone 3a	Apr 17th	Jul 10th	Aug 24th – Sep 1st
Zone 3b	Apr 21st	Jul 14th	Aug 28th – Sep 21st
Zone 4a	Apr 17th	Jul 10th	Aug 24th – Sep 24th
Zone 4b	Apr 15th	Jul 8th	Aug 22nd – Sep 27th
Zone 5a	Apr 10th	Jul 3rd	Aug 17th – Sep 30th
Zone 5b	Apr 6th	Jun 29th	Aug 13th – Oct 5th
Zone 6a	Apr 3rd	Jun 26th	Aug 10th – Oct 10th
Zone 6b	Mar 28th	Jun 20th	Aug 4th – Oct 16th
Zone 7a	Mar 23rd	Jun 15th	Jul 30th – Oct 20th
Zone 7b	Mar 13th	Jun 5th	Jul 20th – Oct 28th
Zone 8a	Mar 4th	May 27th	Jul 11th – Nov 5th
Zone 8b	Feb 23rd	May 18th	Jul 2nd – Nov 12th
Zone 9a	Feb 6th	May 1st	Jun 15th – Nov 26th
Zone 9b	Jan 12th	Apr 6th	May 21st – Dec 9th
Zone 10a	—	Oct 1st	Nov 15th – Feb 28th
Zone 10b	—	Oct 1st	Nov 15th – Feb 28th
Zone 11a	—	Oct 1st	Nov 15th – Feb 28th
Zone 11b	—	Oct 1st	Nov 15th – Feb 28th
Zone 12a	—	Oct 1st	Nov 15th – Feb 28th
Zone 12b	—	Oct 1st	Nov 15th – Feb 28th
Zone 13a	—	Oct 1st	Nov 15th – Feb 28th
Zone 13b	—	Oct 1st	Nov 15th – Feb 28th

Crop Details

Trait	Value
Days to Maturity	45
Sun Requirements	Full Sun
Growth Habit	Upright
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	75
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	10

Culinary Notes

Chef's Note

‘Thai Gardens’ basil brings that distinctive pepper-anise swagger that stays buoyant even when heat hits—add it late for max lift. It’s built for punchy Thai seasoning (fish sauce, lime, chili) where its sweet aromatic finish cuts through fat and salt without turning bitter.

Best Uses

quick wok stir-fries where you add leaves at the last minute so they stay fragrant
Thai-style basil chicken or pork (sweet-heat, never cooked to mush)
tear-and-toss garnishes over noodles, soups, and fried rice for an aromatic top note
blending into a quick mortar-style herb sauce or finishing syrupy glaze for grilled seafood

Flavor Profile

bright peppery heat anise-citrus lift clean, lingering sweetness tender, glossy leaves with a lightly crisp bite

Kitchen Pairings

garlic fish sauce lime chili coconut milk white pepper

Frequently Asked Questions

What pest or disease commonly affects Ocimum basilicum (basil) in home gardens, and how do I fix it?

Basil commonly gets downy mildew (often starting as yellow patches on top leaves with grayish growth underneath), especially in humid, crowded conditions. Remove and discard infected leaves, improve airflow by spacing plants and avoiding wetting the foliage, and water at the soil line in the morning. If it’s spreading, treat early with a labeled fungicide for basil/downy mildew and keep plants well-ventilated until new growth appears healthy.

How often should I water Ocimum basilicum during the main growing phase?

During active growth (roughly weeks 2–6), keep soil consistently evenly moist but not soggy—aim for the top 1 inch to dry slightly between waterings. In full sun, this often means watering about 1–2 times per week, more frequently in hot weather, and always adjusting based on how fast the top inch dries. If leaves wilt and then recover quickly in the evening, you’re likely under-watering; if stems stay wet or leaves yellow, you may be over-watering.

How can I tell when Ocimum basilicum is ready to harvest?

Harvest when plants are about 35–45 days old and have developed multiple sets of true leaves (typically 6–8 inches tall), before flowering starts. Pick by pinching or cutting above a leaf pair to encourage branching, and harvest in the morning when leaves are fullest and most aromatic. If you see flower buds forming, harvest immediately to slow flowering and extend production.