FruitMelon
Ichiba Kouji Melon
Ichiba Kouji is a Japanese hybrid melon that brings competition-quality fruit to home gardens in just 50-59 days. This heat and drought-tolerant Asian specialty produces round, netted green melons weighing over 3 pounds, each one filled with thick, juicy green flesh that measures above 16 Brix in sugar content. Hardy across zones 2-13, it thrives in full sun and moderate water, making it surprisingly adaptable for a specialty melon.
Photo © True Leaf Market
Growing Conditions
USDA Zone
2-13
Sunlight
Full Sun
Water
Moderate
Soil
Well-drained, Fertile Loam With Organic Matter
Growth Stats
15 in
Height
TypeVining
Spacing
72
Plant Profile
Sunlight
Full Sun
Water
Moderate
Zones
2-13
Size
15in H x ?in W
Growth
—
Care
High
Hover over chart points for details
Highlights
The sugar content in Ichiba Kouji melons continues to rise regardless of weather conditions, a trait that sets it apart from many standard melon varieties. Bred to dominate Japan's netted melon market, this hybrid delivers exceptional sweetness in a compact, netted fruit that looks as refined as it tastes. Its heat and drought tolerance means you can grow it successfully even in challenging seasons, and the fast maturation window of 50-59 days keeps you harvesting before summer ends.
Common Uses
These melons are eaten fresh, typically chilled and sliced. The thick, juicy green flesh with its high sugar content makes them ideal for enjoying out of hand or as part of fruit platters. In Japanese cuisine, premium melons like Ichiba Kouji are sometimes served in carefully arranged slices or as gifts celebrating special occasions.
Growing Timeline
No timeline data available yet for this variety.
Care Instructions
Start Indoors
Start seeds indoors 3-4 weeks before your last frost date in temperatures of 70-85°F. Transplant seedlings outdoors only after all danger of frost has passed and soil has warmed to at least 70°F.
Transplant Outdoors
Harden off seedlings by gradually exposing them to outdoor conditions over 7-10 days before transplanting. Move to the garden once soil temperature is solidly above 70°F and frost risk has ended. Space plants 72 inches apart in rows 72 inches apart.
Direct Sow
Direct sow seeds outdoors after the last frost date when soil has warmed to 70°F or higher. Plant seeds in groups and thin to single plants once established.
Harvesting
Ichiba Kouji melons are ready to harvest 50-59 days after planting. Look for melons with a fully developed fine net pattern and a slight softening at the blossom end when gently pressed. The melon should slip easily from the vine when ripe. The thick, juicy green flesh should be firm and fragrant when ready. Cut or gently twist the melon free from the vine rather than pulling, to avoid damaging the plant.
Pruning
As a vining melon, Ichiba Kouji benefits from some light pruning to manage growth and improve air circulation. Remove any damaged or diseased vines, and you can selectively prune lateral shoots to direct energy toward developing fruit. However, avoid excessive pruning that removes too many leaves, as foliage is essential for sugar production in the melons.
Growing Calendar
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Companion Planting
Pests & Diseases
Ecology & Traits
Edible
Scientific Classification
Cucumis melo
Family
Cucurbitaceae
Genus
Cucumis
Growth Habit
Vining
Native Status
L48 (I)PR (I)CAN (W)
History & Origin
“Ichiba Kouji emerged from Japanese melon breeding programs where precision hybridization and decades of refinement shaped fruit quality to meet exacting market standards. This variety became a cornerstone of Japan's netted melon trade, where appearance, sugar content, and consistency are paramount. The hybrid combines traits specifically selected for uniform netting, reliable ripening, and exceptional sweetness, representing generations of horticultural expertise in the Cucumis melo family.”