Congo Watermelon Seeds – 25 Count

Southern Seeds was founded in 2019 by Ryan and Kim Dorn and became Seed Therapy in 2025. The family business moved its operations to the Dallas, Texas, area in 2023. Drawing on generations of growing experience, the team focuses on dependable seeds, personal customer service, and helping gardeners succeed. Its work includes relationships with American farms and seed donations to schools and community gardens.

Grow an award-winning giant with Congo Watermelon seeds. This All-American Selections winner is a beloved heirloom, celebrated for its massive size and exceptionally sweet, delicious flavor. The vigorous vines produce huge, oblong fruits that can weigh up to 50 pounds, with a tough, dark green rind and a firm, bright red, juicy flesh. A fantastic and reliable grower, this variety also boasts excellent disease resistance. Perfect for feeding a crowd at summer picnics and barbecues.

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• A classic All-American Selections award-winning variety.
• Exceptionally sweet, firm, and juicy bright red flesh.
• Produces huge, oblong watermelons that can weigh up to 50 pounds.
• A vigorous and productive vine with excellent disease resistance.

• Plant Name: Congo Watermelon (Citrullus lanatus)
• Seed Quantity: Approx. 25 seeds
• Type: All-American Selections Winner, Heirloom, Open Pollinated, Non-GMO
• Lifecycle: Annual
• Height: 10-15 foot vine
• Days to Maturity: 90-100 days
• USDA Zone: 3-11
• Origin: American Grown

Sold as seeds for planting. Select this packet by its variety, quantity, and growing requirements; it is not a live plant.

Country of origin: United States. The supplier identifies this product as American-grown.

• Sowing: Direct sow outdoors in a sunny spot after all danger of frost has passed and the soil is very warm (at least 75°F).
• Depth: Plant seeds 1 inch deep.
• Spacing: Sow seeds in hills, planting 4-6 seeds per hill and spacing hills 6-8 feet apart. Thin to the strongest 2-3 plants per hill.
• Light Requirement: Full Sun.
• Soil: Prefers rich, fertile, well-draining soil.
• Watering: Water consistently and deeply, especially when fruits are forming.

Keep unused seeds dry and cool in a clearly labeled, closed container. Protect the packet from humidity and temperature swings, and retain the variety name and sowing notes for your next planting. Use the species-specific directions below when deciding whether to start indoors, sow directly, soak seeds, or provide a cold period. Germination and growth vary with seed handling and local growing conditions.

For general seed-starting and storage guidance, see University of Minnesota Extension’s seed-starting guide. Use the variety-specific packet directions for this product.

Shipping for this product

This product ships directly from Southern Seeds, now Seed Therapy. The supplier currently lists standard processing of 1–3 business days, increasing to approximately 3–5 business days during the busy late-December-through-April-or-May seed season. Processing is separate from carrier transit time. Its published standard shipping rate is $4.99 per order, with free standard shipping at a merchandise subtotal of $35 or more after discounts and before taxes. The options, offers, and final charges displayed at BuyAmerican checkout govern this order; purchases from other makers may ship separately. Carrier delivery dates are estimates. The supplier ships within the United States and may restrict certain seeds by destination.

Returns and seed guarantee

For this product, Southern Seeds/Seed Therapy publishes a 60-day satisfaction guarantee, offering an eligible replacement or product-price refund for concerns reported within 60 days of delivery. Original shipping is generally excluded. Preference-based physical returns generally require customer-paid return shipping; supplier errors or damaged or defective items receive an appropriate resolution without an additional return-shipping charge. Contact BuyAmerican at hello@buyamerican.com with your order number, product name, and concern before mailing anything back. BuyAmerican’s standard return policy provides a 30-day request period for eligible unused items in original packaging. Ask BuyAmerican to coordinate any supplier guarantee request for your marketplace order.

Read the BuyAmerican return policy or contact BuyAmerican order support before a return.