Yamato Extra Long

Family: Cucurbitaceae Vegetable

Planting Schedule

Provide your location or planting zone to unlock dates and add Yamato Extra Long to a garden.

Crisp as cool glass, Yamato Extra Long delivers a long, elegant crunch with a clean, refreshing flavor and a subtly sweet finish.

The fruit stays tender and juicy as it matures, making it especially satisfying for fresh enjoyment and for showcasing in vibrant, quick-turn preparations like stir-fries and bright sauces. Grow this Asian cucumber for its graceful, market-ready length and its dependable, garden-to-table performance in about 60 days.

Light: Full SunMaturity: 60 DaysHabit: Vine

Botanical illustration of Yamato Extra Long

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Yamato Extra Long Planting Dates by USDA Zone

Estimated US hardiness-zone windows for sow, transplant, and harvest. Enter a US ZIP above for exact local dates, or open a zone below.

Zone	Start Indoors	Sow / Transplant	Harvest
Zone 1a	Protected Environment Only
Zone 1b	Jun 15th	Jun 29th	Aug 28th – Aug 1st
Zone 2a	Jun 8th	Jun 22nd	Aug 21st – Aug 29th
Zone 2b	May 29th	Jun 12th	Aug 11th – Aug 25th
Zone 3a	May 29th	Jun 12th	Aug 11th – Sep 1st
Zone 3b	Jun 2nd	Jun 16th	Aug 15th – Sep 21st
Zone 4a	May 29th	Jun 12th	Aug 11th – Sep 24th
Zone 4b	May 27th	Jun 10th	Aug 9th – Sep 27th
Zone 5a	May 22nd	Jun 5th	Aug 4th – Sep 30th
Zone 5b	May 18th	Jun 1st	Jul 31st – Oct 5th
Zone 6a	May 15th	May 29th	Jul 28th – Oct 10th
Zone 6b	May 9th	May 23rd	Jul 22nd – Oct 16th
Zone 7a	May 4th	May 18th	Jul 17th – Oct 20th
Zone 7b	Apr 24th	May 8th	Jul 7th – Oct 28th
Zone 8a	Apr 15th	Apr 29th	Jun 28th – Nov 5th
Zone 8b	Apr 6th	Apr 20th	Jun 19th – Nov 12th
Zone 9a	Mar 20th	Apr 3rd	Jun 2nd – Nov 26th
Zone 9b	Feb 23rd	Mar 9th	May 8th – Dec 9th
Zone 10a	Continuous Production
Zone 10b	Continuous Production
Zone 11a	Continuous Production
Zone 11b	Continuous Production
Zone 12a	Continuous Production
Zone 12b	Continuous Production
Zone 13a	Continuous Production
Zone 13b	Continuous Production

Crop Details

Trait	Value
Days to Maturity	60
Sun Requirements	Full Sun
Growth Habit	Vine
Support Needed	Trellis
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	65
Min Night Temp (°F)	55
Harden Off (days)	12

Culinary Notes

Chef's Note

Yamato Extra Long is built for that satisfying glassy crunch—juicy, tender, and slow to go mealy—so it earns a spot in anything where you want refreshment without loss of bite. Use it late and fast: the longer heat hits, the faster that elegant snap collapses.

Best Uses

quick-turn stir-fries where it stays snappy (added late, pulled fast)
fresh slicing for vinegar-and-chili dressings that won’t turn mushy
tossed salads with sesame oil and ginger where the crunch stays loud
blended or lightly stirred sauces for grilled proteins (water-drink refresh, not heavy)

Flavor Profile

cool, crisp cucumber snap clean, lightly grassy freshness subtly sweet finish with juicy tenderness low bitterness, high wateriness

Kitchen Pairings

rice vinegar sesame oil ginger soy sauce chili crisp garlic

Frequently Asked Questions

What pest or disease problem is most likely for Cucumis sativus (cucumber) and how do I manage it?

Watch for powdery mildew, which shows up as a white, dusty coating on cucumber leaves, often late in the 60-day season. Start prevention by spacing plants for airflow and removing the most affected leaves early; water the soil, not the foliage. If mildew is spreading, use a labeled fungicide for cucumbers as soon as you see the first patches and repeat according to label directions.

How often should I water Cucumis sativus during the main growing phase to keep it productive?

From when vines begin running until harvest, keep soil evenly moist—about 1 inch (2.5 cm) of water per week, increasing during hot spells. Aim for deep watering 1–2 times per week rather than light daily sprinkles, so moisture reaches the root zone. If leaves wilt at midday and rebound by evening, adjust upward; if plants stay wet and wilt, improve drainage to avoid root stress.

How can I tell when my Cucumis sativus is ready to harvest?

Harvest when fruits are fully elongated for your target length and the skin is still glossy and tender, typically around 60 days from sowing depending on conditions. Check by pressing a fingernail lightly into the cucumber—if it dents slightly but doesn’t feel hard, pick it. Don’t let fruits over-ripen on the vine, since cucumbers become seedier and can slow new fruit set.