SproutSmart
SproutSmart Intelligent Garden Sowing

Horapha

Family: Lamiaceae Herb

Planting Schedule

Add Horapha to your garden to build a schedule and get reminders.

Aromatic and luminous, Horapha Thai Basil releases a bright, peppery fragrance with cool anise-citrus notes that rise from every leaf.

The foliage forms an upright, richly textured mound of narrow, glossy leaves—tender yet substantial—ideal for bold flavor building in fresh applications and fragrant sauces. Grow Horapha for its quick 45-day turnaround and its distinctive, long-lasting garden presence as it matures toward showy purple-tinged blooms.

Light: Full SunMaturity: 45 DaysHabit: Upright

Botanical illustration of Horapha

Planting schedules and alerts are optimized for Columbus (Zone 6b).

Crop Dates

MilestoneDate
Start IndoorsApr 4th
Last FrostApr 25th
Transplant / Sow OutdoorsJun 20th
Harvest BeginsAug 4th
Harvest EndsOct 16th

Crop Details

TraitValue
Days to Maturity45
Sun RequirementsFull SunFull sun
Growth HabitUpright
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)60
Min Night Temp (°F)50
Harden Off (days)10

Culinary Notes


Chef's Note

Horapha Thai basil doesn’t just taste green—it smells like anise and citrus first, then hits with a peppery, clean bite. It earns its keep in high-heat, last-minute cooking and spoon-on sauces where its aroma can stay sharp instead of going dull.

Best Uses

  • wok-fry finish for fast sautéed aromatics (add at the last 30–60 seconds)
  • Thai-style herb-heavy sauces and dressings (blend briefly, use immediately)
  • chopped leaf topping for rice/noodle bowls—adds fragrance without turning bitter

Flavor Profile

bright, peppery herbal snap cool anise-citrus lift aromatic, slightly sweet finish

Kitchen Pairings

garlic lime fish sauce chili coconut milk sesame oil

Frequently Asked Questions


What’s a common disease problem for Thai basil (Ocimum basilicum) like Horapha, and how can I prevent or fix it?
Thai basil commonly suffers from downy mildew (often showing as yellow spots on the upper leaves with fuzzy growth underneath), especially with cool nights and high humidity. Remove badly infected leaves and avoid wetting foliage when watering; water at the base in the morning so plants dry quickly. Improve airflow by spacing plants and, if needed, use an appropriate copper-based fungicide labeled for basil early in symptoms.
How often should I water Ocimum basilicum during the main growing phase?
During active leaf growth, keep soil evenly moist but not waterlogged—typically 1–2 times per week depending on heat and container size. Water deeply when the top 1 inch of soil feels dry, because Thai basil roots need consistent moisture to keep leaves tender and reduce stress that leads to disease. If grown in pots, check more frequently because the soil can dry out faster.
How do I tell when Horapha Thai basil (Ocimum basilicum) is ready to harvest?
Start harvesting around 45 days after sowing when plants are about 6–8 inches tall with plenty of healthy, mature leaf pairs. Pick leaves and pinch stems just above a pair of leaves to encourage branching, harvesting regularly once the plant is established. If leaves look small and the plant is still forming only a few shoots, wait a bit longer for fuller growth before heavier harvesting.