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How to Grow Japanese Purple Eggplant 'Little Finger'

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Japanese Purple Eggplant 'Little Finger'

Solanum melongena 'Little Finger'

vegetable

A compact Japanese eggplant variety producing slender, finger-like deep purple fruits that are tender, sweet, and ideal for Asian cuisines. This dwarf cultivar grows 18-24 inches tall, making it perfect for containers, small spaces, and home gardens. The fruits mature quickly and have thinner skin with fewer seeds than larger varieties.

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Example Japanese Purple Eggplant 'Little Finger' timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Japanese Purple Eggplant 'Little Finger'

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Japanese Purple Eggplant 'Little Finger'

    Around Jun 16

    ≈ 60 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Japanese Purple Eggplant 'Little Finger' dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily minimum (8+ hours preferred)
💧
Water: Consistent moisture; water deeply 1-2 inches per week. Keep soil evenly moist but not waterlogged. More frequent watering needed in containers and hot climates.
📏
Spacing: 18 inches
📅
Days to maturity: 60-75 days from transplant
🌱
Planting depth: 1/4 inch for seeds; transplants at same depth as original pot

Soil

Type: Well-draining loamy soil, rich in organic matter
pH: 6.0-6.8
Amendments:
Compost peat moss aged manure perlite for drainage

Growing Zones

Find your zone →

Thrives in zones 5-10, but can be grown as an annual in zones 3-4 with season extension

3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a

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Growth Stages

1

Seedling (0-3 weeks)

3 weeks

Tiny plants with first true leaves emerging. Slow initial growth is normal.

Keep soil warm (70-80°F), maintain high humidity under dome or plastic. Provide gentle light. Avoid overwatering which causes damping-off.

2

Vegetative (3-8 weeks)

5 weeks

Rapid leaf expansion, stocky stem growth. Plant reaches 6-12 inches tall with multiple true leaves.

Provide 14-16 hours of bright light daily. Maintain soil warmth. Begin fertilizing weekly with balanced fertilizer (10-10-10). Thin seedlings or separate into individual pots.

3

Transplant to Garden (8-10 weeks)

2 weeks

Hardened-off transplants 12-18 inches tall, ready for outdoor planting after last frost.

Harden off gradually over 7-10 days. Plant deeply, burying stem up to first leaves. Space 18 inches apart. Water gently after planting.

4

Flowering & Fruiting (6-8 weeks after transplant)

6-8 weeks

Purple flowers appear, followed by small green fruits that develop into characteristic slender, dark purple fingers 4-6 inches long.

Maintain consistent watering and fertility. Apply balanced fertilizer every 2-3 weeks. Mulch around base to conserve moisture. Prune lower leaves if needed for airflow.

5

Harvest (8+ weeks after transplant)

4-8 weeks (until frost)

Fruits reach full size with glossy deep purple color and tender texture. Continuous production if harvested regularly.

Pick fruits when 4-6 inches long and skin is glossy (not dull). Regular harvesting encourages more flowers. Continue watering and fertilizing through season.

Companion Planting

Plan your garden →

Plant with:

Basil Marigold Thyme Parsley Oregano Spinach Leaf lettuce

Avoid planting near:

Fennel Brassicas (cabbage, broccoli) Tomatoes (to minimize disease pressure)

Common Pests

  • Use row covers on young plants, apply neem oil or spinosad, maintain good garden hygiene

  • Increase humidity, spray with water, use neem oil, introduce predatory mites

  • Yellow sticky traps, spray with insecticidal soap, encourage beneficial insects

  • Strong water spray, insecticidal soap, neem oil, introduce ladybugs

  • Choose resistant varieties, practice crop rotation, remove infected plants immediately, sterilize tools

Uses

🍳

Asian Stir-fries & Grilling

Culinary

The slender shape and thin skin of 'Little Finger' eggplants make them ideal for quick-cooking methods like stir-frying, grilling, and roasting. Their mild, sweet flavor with few seeds is prized in Japanese and Chinese cuisines. [source]

🍳

Whole-fruit Cooking

Culinary

Unlike larger eggplants, these finger varieties can be cooked whole or halved lengthwise, reducing prep time and creating attractive presentations. They pair beautifully with miso, soy sauce, and Asian seasonings. [source]

🏠

Container & Space-Saving Gardening

Household

The compact 18-24 inch dwarf habit makes 'Little Finger' ideal for containers, patios, balconies, and small-space gardens. One plant yields 15-20+ fruits per season. [source]

🌿

Low-calorie Nutrient Source

Nutritional

Eggplants are low in calories (35 per 100g) and rich in fiber, vitamin K, and nasunin, an anthocyanin antioxidant that gives the purple skin its color. Regular consumption supports heart and digestive health. [source]

🦋

Pollinator Garden Addition

Wildlife

The delicate purple flowers attract bees and other pollinators, supporting garden biodiversity while providing food production benefits. [source]

Harvest Tips

Harvest fruits when 4-6 inches long and glossy purple (typically 60-75 days after transplanting). Use a sharp knife or pruners to avoid damaging the plant. Wear gloves as some varieties have small spines on the calyx. Regular harvesting (every 2-3 days) prolongs production. Fruits can be harvested slightly immature for maximum tenderness and fewer seeds.

Fun Facts

  • 🌱 Despite being called 'Little Finger,' this variety is not actually small compared to other Japanese eggplants—the name refers to the slim, elegant finger-like shape of the fruits rather than their actual length of 4-6 inches.
  • 🌱 Eggplants are technically berries and belong to the nightshade family alongside tomatoes, peppers, and potatoes. The 'Little Finger' variety is one of the few eggplants that can mature reliably in cooler climates when started early indoors.
  • 🌱 Japanese eggplant varieties like 'Little Finger' have been cultivated for centuries and are considered a staple in Japanese gardens and cuisine, prized for their tender flesh, thin skin, and superior flavor compared to globe varieties.

Gardening Terms

New to gardening? Learn about terms used in this guide:

Cultivar Full Sun Mulch Transplant True Leaves
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