How to Grow English Cucumber Suyo Long
English Cucumber Suyo Long
Cucumis sativus
vegetableSuyo Long is a Japanese heirloom cucumber variety known for its long, slender, seedless fruits that can reach 12-14 inches in length. These cucumbers have thin, delicate skin and are ideal for slicing fresh or light pickling. The vigorous vining plant produces abundant yields throughout the growing season.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 5-10; can be grown in zone 4 with season extension
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Growth Stages
Seedling (Days 0-14)
2 weeksCotyledons emerge followed by first true leaves. Plant is small and tender with pale green coloring.
Maintain consistent moisture and warmth (70-75°F). Provide bright light to prevent leggy growth. Start seeds indoors 3-4 weeks before last frost or direct sow after frost danger passes.
Vegetative Growth (Days 14-35)
3 weeksPlant develops multiple true leaves and vine begins extending. Stems become more robust and leaves deepen in color.
Ensure adequate light and maintain soil moisture. Install trellising or support structures now. Gradually acclimate transplants to outdoor conditions (hardening off). Feed lightly with balanced fertilizer every 2 weeks.
Flowering (Days 35-50)
2-3 weeksYellow flowers appear at leaf nodes; first female flowers (with immature cucumber behind them) emerge. Vine continues vigorous growth.
Maintain consistent watering, especially important during flowering. Provide pollinator access or hand-pollinate if needed. Tie vines to trellis for upward growth. Begin weekly feeding with higher potassium formula.
Fruiting & Harvest (Days 50-70+)
3-4 weeks, extending into seasonFruits develop rapidly, reaching slender 8-12 inch length. Multiple cucumbers mature simultaneously on vigorous plants.
Pick fruits every 1-2 days to encourage continued production. Maintain consistent watering to prevent bitter taste and misshapen fruits. Continue weekly fertilizer applications. Remove any yellowing leaves at base to improve air circulation.
Late Season Production (Days 70+)
Until frostPlant continues flowering and fruiting but slows as days shorten and temperatures cool. Quality and size may decline.
Maintain pest and disease monitoring. Continue harvesting to extend season. Reduce fertilizing. In zones with fall frost, plan succession plantings 6-8 weeks apart for continuous supply.
Common Pests
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Use row covers early season, hand-pick, deploy yellow sticky traps, apply neem oil or spinosad, attract beneficial insects
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Ensure good air circulation, avoid overhead watering, apply sulfur or potassium bicarbonate, remove affected leaves, plant resistant varieties
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Provide adequate spacing, remove infected foliage, apply copper fungicide, improve air circulation, avoid wetting leaves
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Increase humidity by misting, spray with water to dislodge, apply neem oil or miticide, remove heavily infested leaves
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Wrap base of vine with foil, inject BT into stem, remove infested vines, plant succession crops to avoid overlap
Uses
Fresh Slicing & Salads
CulinaryThe thin skin and seedless or minimal-seed nature of Suyo Long makes it exceptional for fresh eating and salads. The delicate texture and sweet flavor are best appreciated when consumed raw. [source]
Light Pickling
CulinaryThe slender shape and firm texture make Suyo Long suitable for pickling whole or in spears. The minimal seed cavity reduces brine absorption time and maintains crispness. [source]
Skincare & Hydration
HouseholdHigh water content and silica in cucumber skin makes Suyo Long useful for facial treatments, reducing puffiness, and hydrating topical applications. The thin skin also reduces prep time. [source]
Anti-Inflammatory Properties
MedicinalCucumbers contain flavonoids and tannic acid with mild anti-inflammatory and antioxidant properties, supporting overall wellness and skin health when consumed regularly. [source]
Pollinator Attraction
WildlifeThe abundant yellow flowers of Suyo Long attract honeybees, native bees, and other pollinators. Growing this variety supports beneficial insect populations in the garden. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Harvest when cucumbers are 8-12 inches long and still firm with bright green color; do not allow to yellow or soften. Pick every 1-2 days to encourage continued flowering and fruiting. Twist gently or cut with pruning shears to avoid damaging vines. Early morning harvesting yields crispest fruits. Suyo Long is best used fresh within a few days but can be refrigerated for up to a week.
Fun Facts
- 🌱 Suyo Long is a Japanese heirloom variety developed in the 1980s, prized in Asian cuisine for its tender skin that doesn't require peeling before eating.
- 🌱 Unlike most American slicing cucumbers, Suyo Long produces parthenocarpic (seedless) fruits even without pollination, making it reliable in cooler climates where pollinators are less active.
- 🌱 The name 'Suyo Long' literally means 'straight' in Japanese, referring to the remarkably straight growth of the fruits—this straightness is preferred for market presentation and storage efficiency.
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