Little Leaf H-19

Cucumber

Zone 10a Save Garden

Botanical illustration of Little Leaf H-19

🌱 50d to harvest Vine

Crisp as chilled glass, Little Leaf H-19 delivers a lively snap with a clean, classic cucumber flavor and a tight, pickling-ready…

Crop Dates

Milestone	Date
Start Indoors	Direct Sow
Last Frost	Jan 16th
Transplant / Sow Outdoors	Jan 30th
Harvest Begins	Mar 21st
Harvest Ends	Dec 19th

Crop Details

Trait	Value
Days to Maturity	50
Sun Requirements	Full Sun
Growth Habit	Vine
Support Needed	Trellis
Planting Depth	Normal
Germination Temp (°F)	75
Min Soil Temp (°F)	65
Min Night Temp (°F)	55
Harden Off (days)	10

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Frequently Asked Questions

Why are my Cucumis sativus (cucumber) leaves turning yellow with fuzzy gray patches, and what should I do?

Fuzzy gray growth and spotting that spreads on leaves/stems is often gray mold (Botrytis), which is common when foliage stays wet and nights are cool. Remove affected leaves immediately, improve airflow with wider spacing and by training vines upward if possible, and water at the soil line in the morning to keep leaves dry. If it keeps worsening, switch to a labeled fungicide for cucurbits and follow the product’s interval closely.

How often should I water my Cucumis sativus during the main growing phase, and what soil moisture level should I maintain?

During active vine growth and fruiting, keep the top 1–2 in (2–5 cm) of soil consistently moist—typically watering about 1–2 times per week, but more often in hot, windy weather. Use deep watering so moisture reaches the root zone, and avoid letting the soil fully dry out because cucumbers develop bitter fruit after drought stress. Mulch around the plants to reduce moisture swings and reduce leaf wetness.

How can I tell when my Cucumis sativus is ready to harvest (and when to pick to keep producing)?

Harvest cucumbers when they reach the variety’s typical size for eating and the skin is firm, glossy, and still easy to puncture with a fingernail. Pick regularly—about every 1–3 days once fruits start—to prevent overgrown, seedy cucumbers and to encourage continued flowering. If fruits start looking dull or the ends turn hard, they’re usually past their best harvest window.

Crisp as chilled glass, Little Leaf H-19 delivers a lively snap with a clean, classic cucumber flavor and a tight, pickling-ready texture. Compact and productive at about 50 days, it forms small, even fruits that stay pleasantly firm—ideal for those who love bracing, tangy results. Grow it for reliable harvests in cool weather, where its tidy habit makes every garden bed feel instantly more orderly and abundant.

Sowing Tips

Transplant Conditions

Wait until soil reaches 65°F and nights stay above 55°F before moving outdoors. Harden off for 10 days first.

Direct Sow Preferred

Sensitive roots — does not transplant well. If starting indoors, use biodegradable pots and disturb roots as little as possible when moving outdoors.

Expert Note

For best results with this parthenocarpic cucumber, transplant only when nights are reliably warm and keep soil evenly moist to maintain steady fruiting under stress.