Densuke Watermelon Black Rind Fruit Seeds
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Grow a rare and luxurious treat with our Densuke Watermelon Black Rind Fruit Seeds, a prized Japanese variety known for its striking appearance and rich, sweet flavor. These premium seeds are selected for their excellent germination rate and thrive in warm, sunny garden beds with well-drained soil. Perfect for both passionate home gardeners and adventurous beginners, these seeds offer a truly special growing experience.
Densuke watermelons feature a smooth, jet-black rind and crisp, ruby-red flesh that’s exceptionally sweet and juicy. With their bold look and unforgettable taste, they make a standout addition to summer gardens and are perfect for sharing or gifting. Easy to plant and care for, these unique melons bring a touch of elegance and excitement to your homegrown harvests. Start growing today and enjoy the rare luxury of Densuke watermelons—straight from your garden!



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Features
Life Cycle
Annual
Planting Season
Late Spring–Summer
Growth Habit
Sprawling Vine
Flavor Profile
Sweet, Juicy
Plant Characteristics
Black Rind, Red Flesh
Use
Fresh Eating, Gifting
Growing Conditions
Warm, Full Sun
Harvest Advantages
High Market Value
Plant Resistance
Disease Resistant
About – Densuke Watermelon
Citrullus lanatus
Seed Names
Densuke Watermelon
Seed Type
Open-Pollinated Heirloom
Densuke Watermelon, Citrullus lanatus, is a rare Japanese heirloom known for its glossy black rind and rich, ultra-sweet red flesh. Grown for its premium taste and exclusivity, it’s a prized fruit in gourmet markets and makes an impressive addition to summer gardens.
Planting Information
Light Requirement
Full Sun
Planting Depth
1 Inch
Sowing Method
Direct Sow or Indoor
Plant Spacing
36–48 Inches
Days to Maturity
85–100 Days
Soil Preparation
Soak 12 Hours
Hardiness Zones
4–11
Water Needs
High, Consistent
Planting Season
Late Spring
Coverage
Seed Count
Recommended Coverage
100
Up to 1,200 sq ft
500
Up to 6,000 sq ft
1000
Up to 12,000 sq ft
Companion Plants For Densuke Watermelon Black Rind Fruit Seeds
Broom Corn Plant Seeds
Mixed Color Nasturtium Flower Seeds
French Marigold Flower Seeds
Black Sunflower Seeds
This isn�t just another watermelon. The deep black rind and unique flavor make it feel special. My kids loved showing it off to their friends, and the taste was refreshing and bold. A gardening win.
Growing these watermelons took longer than I expected, but I�m glad I stuck with it. The result was a beautiful, black-skinned melon with a delicate sweetness that made it worth the wait.
I wasn�t sure if the fruit would match the hype, but it really did. The sweetness is intense and the rind color makes it look like a collector�s item. I�ll definitely try again next season.
Visitors were amazed by the sight of the solid black rind. Once we cut it open, the sweet aroma filled the air. The fruit was refreshing and had a smoother texture than ordinary melons.
I was impressed that nearly all of my seeds sprouted. With some care, the plants produced healthy vines and fruit. It�s not a fast process, but the payoff is growing something truly rare.