Thai Long Green

Family: Solanaceae Fruit Vegetable

Aromatic and lush, Thai Long Green delivers slender, glossy fruits that hang like green glass—cool to the eye with a crisp, tender bite and a pleasantly mild, savory depth.

At maturity, the long, tapered eggplants stay pleasantly firm with a fine, smooth skin that turns silky when cooked, making them especially prized for quick stir-fries, roasting, and bold sauces. Grow for fresh, vibrant Asian-style dishes and for pickling-ready versatility that keeps the fruit’s bright character front and center.

Light: Full SunMaturity: 75 DaysHabit: Indeterminate

Botanical illustration of Thai Long Green

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

Crop Dates

Milestone	Date
Start Indoors	Mar 7th
Last Frost	Apr 25th
Transplant / Sow Outdoors	Jun 20th
Harvest Begins	Sep 3rd
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	75
Sun Requirements	Full Sun
Growth Habit	Indeterminate
Support Needed	Stake
Planting Depth	Normal
Germination Temp (°F)	80
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	10

Culinary Notes

Chef's Note

Thai Long Green is built for speed: its slender shape stays firm on the heat, then goes silky without turning into mush, so it holds up in wok time. Use it to scoop up assertive salty-sour-spicy sauces—soy, chili, and fish sauce cling to that smooth, cooked skin instead of slipping away.

Best Uses

quick high-heat stir-fries where the flesh stays intact
roasting or broiling until the outside turns bronzed and creamy inside
thickening sauce work—steaming, then mashing/simmering to gloss a stir-fry sauce
quick pickling or brining for bright, snappy, green-eggplant tang

Flavor Profile

mildly savory, pleasantly nutty eggplant flavor crisp-tender bite with silky melt when cooked subtle aromatic profile that drinks in sauces fine, smooth skin that turns silky rather than bitter

Kitchen Pairings

garlic soy sauce chili paste sesame oil coconut milk fish sauce

Frequently Asked Questions

What’s the most common pest or disease on Solanum melongena (Thai Long Green), and how do I treat it?

Watch for early blight (brown, target-like spots on leaves) and aphids, which often cluster on tender new growth. Remove heavily spotted leaves promptly and improve airflow between plants; for aphids, spray the undersides with insecticidal soap and repeat every 5–7 days until colonies stop. If blight starts spreading, switch to a labeled fungicide for eggplant and apply according to the label at the first sign of spotting.

How often should I water Thai Long Green eggplant during the main growing phase?

During the active flowering and fruiting period, keep the root zone evenly moist—about 1–2 inches (2.5–5 cm) of water per week total, adjusted for heat and rainfall. Water deeply so moisture reaches well below the surface, and avoid letting the soil dry out completely between waterings because irregular moisture can cause poor fruit set and bitterness. Use mulch to steady soil moisture, especially in full sun.

How can I tell when Thai Long Green eggplant is ready to harvest?

Harvest when fruits are glossy and firm, with skin that resists denting from a fingernail—typically around 70–75 days after sowing/transplanting for this type. Don’t wait for dull, leathery-looking skin or swollen, seedy interiors; overripe eggplant develops more bitterness. Cut fruits with a sharp pruner, leaving the calyx intact and taking fruit regularly to encourage continued production.