'Emerald Heart' Cucumber Seeds — Cucumis sativus (Premium Green Core Variety)

Straight, glossy deep-green cucumbers with tender pale-green flesh — early maturing, high-yield, and ideal for greenhouse or open-field production.

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Product Snapshot

• Botanical name: Cucumis sativus

• Fruit length: ~34 cm, uniform straight shape

• Fruit weight: ~200 g each

• Skin: Deep green, glossy, short stem end, fine spines, smooth surface

• Flesh: Pale green, crisp, refreshing taste

• Maturity: Early, fast-growing, long harvest period

• Adaptability: Suitable for protected greenhouse, tunnels, and open fields

• Strengths: Strong tolerance to low temperature and weak light, high fruit set, long harvest duration

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Why Growers Choose 'Emerald Heart' Cucumber?

• Premium fruit quality — straight, uniform cucumbers with excellent market appeal.

• High productivity — dense fruit setting with frequent secondary fruits.

• Resilient growth — performs well under weak light and lower temperatures.

• Extended harvest window — long growth cycle with delayed senescence.

• Low deformity rate — fewer bent or misshapen cucumbers, consistent yields.

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Plant Details

• Growth habit: Medium vigor, main vine bearing, multiple successive fruits

• Fruit size: ~34 cm length, ~200 g weight

• Color & texture: Deep green skin, fine spines, tender pale-green core

• Flowering & fruiting: Early maturity, strong fruit growth speed

• Recommended density: 3,000-4,000 plants per mu (≈450-600 plants per 667 m²)

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How to Sow & Cultivate

1. Seed preparation:

• Disinfect seeds in 50-55°C warm water for 10 minutes.

• Soak in 28-30°C water for 5-6 hours.

• Germinate at ~28°C; seeds sprout in ~15 hours.

2. Seedling raising:

• Sow germinated seeds into nutrient pots with moist soil.

• Cover with 1 cm of fine soil; avoid “cap emergence.”

• Maintain ~26°C daytime, 13-15°C at night to promote female flower differentiation.

3. Transplanting:

• Apply sufficient base fertilizer and cover with plastic mulch.

• Disinfect greenhouse before planting.

4. Field management:

• Water management: avoid excess early, then irrigate every 3-4 days during peak harvest.

• Fertilization: nitrogen at seedling stage, phosphorus & potassium during fruiting, side dress after each harvest.

• Training: support vines, prune, and manage shoots for balanced growth.

5. Pest & disease control:

• Watch for downy mildew, powdery mildew, wilt, gray mold, and bacterial spot.

• Apply fungicides preventively every 7-10 days during high-risk periods.

• Control aphids, thrips, and spider mites with integrated management.

6. Harvesting:

• Harvest basal fruits early to encourage continuous setting.

• Standard harvest: 4-12 days after flowering for best quality.

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Discover the perfect blend of beauty and performance with Imperial Jade Cucumber. This premium Cucumis sativus variety produces glossy, deep-green cucumbers with tender pale-green flesh, offering outstanding flavor, strong adaptability, and superior market appeal. With its early maturity, high productivity, and extended harvest period, “Imperial Jade” is the top choice for commercial growers and home gardeners alike.