SproutSmart
SproutSmart™ Intelligent Garden Sowing

Thai Sweet

Basil
Zone 13a Save Garden

Planting Schedule

Add Thai Sweet to your garden to build a schedule and get reminders.
Botanical illustration of Thai Sweet
50d to harvest

Fragrant as a warm evening garden—Thai Sweet basil releases a bright, sweet-anise perfume with a gentle clove lift as soon as you brush its leaves. The foliage is tender and lush, with a smooth, medium-fine texture and an aromatic sweetness that makes it a standout for fresh garnishing, fragrant sauces, and quick pickling-style preserves. Grow Thai Sweet for a steady harvest at about 50 days, when plants are vigorous and richly leafed for repeated picking.

Crop Dates

Growing note: Frost-free Zone 13a supports continuous outdoor production.
MilestoneDate
ClimateFrost-Free Climate
Growing ApproachContinuous Production

Crop Details

TraitValue
Days to Maturity50
Sun RequirementsFull SunFull sun
Growth HabitUpright
Support NeededNone
Planting DepthNormal
Germination Temp (°F)75
Min Soil Temp (°F)60
Min Night Temp (°F)50
Harden Off (days)10

Today's Conditions

Outdoor planting for Thai Sweet in Zone 13a typically begins around throughout the growing season. Wait until soil reaches at least 60°F before transplanting Thai Sweet.

Garden Alerts

Frost-free Zone 13a supports continuous outdoor production.

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Frequently Asked Questions

What pest or disease commonly affects Ocimum basilicum (Thai sweet basil), and how can I fix it?
Thai sweet basil (Ocimum basilicum var. thyrsiflora) is especially prone to downy mildew and leaf spot in humid weather. Improve airflow by spacing plants well and watering at the soil line (not the leaves), then remove badly infected leaves promptly to slow spread. If conditions stay humid, use an approved downy mildew treatment labeled for basil and follow the label timing before symptoms worsen.
How often should I water Thai sweet basil during peak growth?
During active growth (roughly weeks 2–8), keep the root zone consistently evenly moist, not soggy. Water when the top 1 inch of soil feels dry; in warm Full Sun, this is often about 1–2 times per week depending on your soil and container size. Aim for thorough soaking each time so moisture reaches the basil’s shallow roots, and avoid frequent light sprinkles that leave the soil surface wet but the roots dry.
Botanical illustration of Thai Sweet

Fragrant as a warm evening garden—Thai Sweet basil releases a bright, sweet-anise perfume with a gentle clove lift as soon as you brush its leaves. The foliage is tender and lush, with a smooth, medium-fine texture and an aromatic sweetness that makes it a standout for fresh garnishing, fragrant sauces, and quick pickling-style preserves. Grow Thai Sweet for a steady harvest at about 50 days, when plants are vigorous and richly leafed for repeated picking.

Today's Conditions

Outdoor planting for Thai Sweet in Zone 13a typically begins around throughout the growing season. Wait until soil reaches at least 60°F before transplanting Thai Sweet.

Garden Alerts

Frost-free Zone 13a supports continuous outdoor production.

Sowing Tips

Soil Temperature

Direct sow or transplant when soil at planting depth holds 60°F for reliable germination and early growth.

Expert Note

Warm soil and consistent moisture are key—pinch early growth to encourage a bushy habit and harvest frequently for best licorice/anise flavor.