Thai Long Green Eggplants arranged on a white background.
Thai Long Green Eggplants in a market.
Cut and whole Thai Long Green Eggplants on a white background.
Thai Long Green Eggplants arranged on a white background.
Thai Long Green Eggplants in a market.
Cut and whole Thai Long Green Eggplants on a white background.

Eggplant Seeds,
Thai Long Green

3.813 Reviews#EG119 · 25 seeds
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Description

(Solanum melongena). Very mild and sweet, the 10- to 12-inch-long, very slender fruit is a beautiful light-lime green. One of the best-tasting eggplants; it has a superb flavor and is very tender. Good yields on 2-to 3-foot tall plants. This heirloom from Thailand is becoming popular with gourmet chefs.

Plant Details

Botanical Name
Solanum melongena
Sun Requirement
6–8 hr.
Days to Germinate
10–15
Days to Maturity
85
Planting Depth
¼ in.
Plant Spacing
18 in.
Ideal Temperature
75–95°F
Frost Hardy
No

Growing Guide

When to Grow

Start seeds indoors 8-10 weeks before the last frost date. Transplant seedlings outdoors after the danger of frost has passed and the soil has warmed to at least 65 F. In cooler regions, use black plastic mulch or row covers to warm the soil and protect plants. In warm, frost-free climates, seeds can also be sown directly outdoors once conditions are suitable. If you are not sure how to find your local frost dates, check out our blog post ‘Our Experts Answer Questions, Share Resources’ to help you determine the best planting schedule.

How to Sow and Plant

  • Eggplant cannot tolerate low temperatures, especially while germinating.
  • Start seeds indoors in bright light 8-10 weeks before the last frost date.
  • Soil should be warmed to 75-89 degrees to ensure consistent germination. Using a horticultural heat mat is highly recommended to warm the soil and speed germination.
  • Plant seeds ¼ inch deep.
  • Germinates in 10-15 days.
  • Setting out larger plants helps to fight pest pressure.

How to Grow

  • Transplant outdoors after all chance of frost has passed and soil has warmed to at least 65 degrees.
  • Space plants 2.5 feet apart; they do not need staking.
  • Keep well watered but not soaked, and mulch around plants to suppress weeds and retain moisture.
  • Fruit is mature when just slightly soft; immature fruit will feel rock hard. Continually harvest to keep plants productive.

PESTS/SPECIAL CONSIDERATIONS

  • Flea beetles are a common pest of eggplant. Thick mulch will help to bury the insects.
  • A floating row cover over young seedlings will protect plants when they are most vulnerable; just be sure to uncover for pollination when plants are flowering.
  • Aphids can be controlled with row cover as well, or neem oil can be applied for serious infestations.

How to Save Seeds

  • Eggplants are not insect-pollinated, so it is not necessary to isolate the plants very much to ensure pure seed. For home gardeners, an isolation distance of at least 40 feet is sufficient for seed saving.
  • Allow fruit to become overripe; the fruit will become slightly wrinkled and soft.
  • Scoop seeds out, rinse, and spread out to dry thoroughly.
  • Properly stored eggplant seeds will remain viable for up to 4 years.

FAQ

What are Thai Long Green fruits like?

Very slender, 10 to 12 inches long and a beautiful light-lime green, ready in about 85 days. They are very mild and sweet, with superb flavor and very tender flesh — one of the best-tasting eggplants. Plants are 2 to 3 feet tall with good yields.

Do the seeds need bottom heat to germinate?

Eggplant cannot tolerate low temperatures, especially while germinating. Warm the soil to 75–89°F for consistent results; a horticultural heat mat is highly recommended. Sow ¼ inch deep and expect germination in 10–15 days.

When is the fruit ready to pick?

Fruit is mature when just slightly soft; immature fruit feels rock hard. Harvest continually to keep the plants productive.

Customer reviews

3.8 / 5 13 Reviews

What gardeners are saying

  • Tender, mild flavor: Thin skin stays tender even on the grill, with no bitterness.

  • Early and productive: Often the first eggplant to ripen, bearing until frost.

  • Wants warmth: Likes a hot season; a cool, cloudy summer cuts the crop.

  • Heads up: A couple found it faltered in extreme desert heat.

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