🍉 Square Watermelon Seeds – unique Japanese seeds for cube-shaped melons, perfect for gardeners and collectors of exotic fruits.
Square watermelons are not naturally cubic; their unique shape is created through careful cultivation in Japan 🇯🇵. Only specific watermelon varieties are suitable for producing cube-shaped fruits, and we have sourced a small number of authentic seeds directly from Japanese manufacturers who first developed this novelty 🍈.
Japanese farmers developed the idea of growing melons in plastic molds 🌱. As the melon grows inside the mold, it gradually takes on a perfect cubic shape. Since their invention, square watermelons have become a luxury item in Japan and are increasingly popular worldwide, including in Russia 🇷🇺. In Moscow, luxury stores sell these cubic melons for approximately 28,000 rubles (~540 EUR), making them a status symbol among wealthy consumers 💎.
Media coverage and the novelty of the square watermelon have contributed to its fame 📸. Despite its unique appearance, the fruit retains the same sweetness and juiciness as traditional round watermelons 🍉💧.
Growing square watermelons requires patience, proper timing, and optimal conditions:
Seed Preparation: Soak seeds in warm water for 24 hours 💧 to improve germination.
Sowing: Plant seeds in well-draining seed mix, 1 cm deep 🌱. Use small pots or trays for seedlings.
Temperature: Maintain soil warmth at 25–30 °C 🌡️ for optimal germination.
Light: Provide full sun ☀️ and abundant light for seedlings.
Watering: Keep soil consistently moist, but avoid waterlogging 💦.
Transplanting: Move seedlings outdoors after frost risk has passed. Space vines 1–1.5 m apart 🌿.
Molding: When fruits reach fist size, place them inside clear, food-safe square molds 🧊. They will gradually fill the mold and take its shape.
Harvest: Fruits mature in 70–90 days after pollination 🍉. Remove from molds carefully to avoid damage.
Appearance: Perfectly cubic fruits with bright green rind and red, juicy interior 🍉
Taste: Sweet, crisp, identical to traditional watermelon 🍬
Novelty & Decoration: Ideal as gifts, centerpieces, or collector’s fruits 🎁
Climate: Requires warm, sunny growing conditions similar to standard watermelon varieties 🌞
Soil: Well-draining, fertile, slightly acidic to neutral (pH 6–7) 🌿
Square watermelons combine horticultural creativity with culinary enjoyment 🌱✨. They are a fun project for ambitious gardeners or exotic fruit enthusiasts, offering a visually stunning and conversation-starting result.
We ship worldwide from the European Union using registered air post with signature confirmation on delivery.
Log in to your account and go to Order History > Details to find your tracking number.
You will receive email notifications at every step — please check your spam/junk folder if you don’t see them.
Track your package via:
Cash on delivery is not available.
Always provide a valid mobile number with country code when ordering (e.g., +365 456 7686 576).
Do not order to P.O. Boxes or if you cannot be home to sign for the package. We cannot leave parcels with neighbors.
If a package sent to a P.O. Box is lost or undelivered, you lose the right to a refund.
For customers in Brazil and Mexico:
We cannot refund packages lost or destroyed by customs.
If your package is returned, we will refund only the product cost — shipping costs are not refundable.
You must pay return postage (€2) and any costs for reshipping.
If a package is returned to us for any reason, you are responsible for paying the return shipping (€2) plus the cost to resend the package.
Registered shipments require a signature from the recipient.
If your tracking shows the package is still at the origin post office, it means the package is in transit — please contact your local post office directly for updates.
We are not responsible for delivery times and cannot track shipments for you.
| Delivery Option | Processing Time | Notes |
|---|---|---|
| Priority Delivery | Ships in 1-7 business days | Prioritizes order processing (not guaranteed faster delivery); delays possible during holidays (3-10 days) |
| Secured Delivery | Ships in 1-7 business days | Available for orders up to €150; refund if lost |
| Standard Delivery | Ships in 7-10 business days | More economical; delays possible during holidays (7-14 days) |
Estimated Delivery Time:
Within the EU: 3–20 days
Worldwide: 5–30 days
Example delivery times to the USA:
Delivered in 13, 17, 19, 22, or 27 days.
Note: Delivery times depend on your location and the local postal system. COVID-19 may cause additional delays.
Shipping and handling fees are calculated automatically during checkout based on the weight of the parcel and the destination country.
We do not process or ship orders on Saturdays or Sundays.
Bank Transfer (SEPA / IBAN / SWIFT-BIC)
Include your order reference in the payment description (e.g., "SGS-19811702"). Orders without payment within 7 days are automatically cancelled.
PayPal
Payments accepted in Euros only. Please select Euros at checkout.
Card Payment
For card payments, visit our other site: Exotic Seeds Store
We accept Visa, MasterCard, American Express, CB, Diners Club, Discover, China UnionPay, JCB, and Discover.
Customers are responsible for any transaction fees. Please provide payment details to help us process your order efficiently.
Before placing your order, please check our website for any special notices, holiday schedules, or specific conditions that may affect your purchase.
