--- product_id: 72485943 title: "50 Black Diamond Watermelon Seeds for Planting - Heirloom Non-GMO Fruit Seeds for Planting - Grows Big Giant Watermelons Averaging 30-50 lbs" brand: "rdr seeds" price: "FREE" currency: TND in_stock: false url: https://www.desertcart.tn/products/72485943-50-black-diamond-watermelon-seeds-for-planting-heirloom-non-gmo store_origin: TN region: Tunisia --- # 50 seeds Regular watering Full sun exposure 50 Black Diamond Watermelon Seeds for Planting - Heirloom Non-GMO Fruit Seeds for Planting - Grows Big Giant Watermelons Averaging 30-50 lbs **Brand:** rdr seeds **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > 🍉 Cultivate Your Summer with the King of Fruits! ## Quick Answers - **What is this?** 50 Black Diamond Watermelon Seeds for Planting - Heirloom Non-GMO Fruit Seeds for Planting - Grows Big Giant Watermelons Averaging 30-50 lbs by rdr seeds - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/72485943-50-black-diamond-watermelon-seeds-for-planting-heirloom-non-gmo) ## Best For - rdr seeds enthusiasts ## Why This Product - Trusted rdr seeds brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Pet Friendly:** Grow your garden worry-free; these seeds are safe for your furry friends! - • **Easy Germination:** Seeds germinate in just 1-2 weeks with the right warmth and care. - • **Heirloom Quality:** Enjoy the rich taste of non-GMO heirloom seeds, perfect for the eco-conscious gardener. - • **Giant Watermelons Await!:** Grow watermelons averaging 30-50 lbs, with some reaching up to 75 lbs! - • **Indoor/Outdoor Versatility:** Start indoors or sow directly in your garden for flexible planting options. ## Overview These 50 Black Diamond Watermelon Seeds are heirloom, non-GMO seeds designed for planting in warm weather. Expect giant watermelons averaging 30-50 lbs, with the potential for even larger fruits. Ideal for both indoor and outdoor gardening, these seeds require regular watering and full sun exposure to thrive. ## Description All RDR Seeds brand products come in RDR Seeds branded packaging that includes plant information and planting instructions. ## Features - Quintessential, King, Favorite, whatever you want to call it, this watermelon is popular for a reason! - This delicious watermelon averages 30-50 lbs, but sometimes gets as big as 75 lbs! Plants grow 12-18" tall. - In areas with shorter growing seasons it is best to start watermelon seeds indoors to get a head start. Plant 3 seeds per pot about 1/4" deep and provide heat to about 80 degrees to increase germination. - Ensure soil does not dry out due to heat. Seeds should germinate in 1-2 weeks. After seeds have germinated thin to one per pot. Make sure to acclimate plants to the outdoors for several days prior to transplanting to harden them off. - To sow directly in garden plant 5 seeds per hill 1' apart with 4' between rows. Requires healthy amounts of water and warm temperatures. Black plastic on soil can aid in warming soil. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B072DW5SGG | | Best Sellers Rank | #404,376 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #2,124 in Fruit Plants & Seeds | | Brand | RDR Seeds | | Brand Name | RDR Seeds | | Color | Brown | | Customer Reviews | 4.1 out of 5 stars 635 Reviews | | Expected Plant Height | 16 Inches | | Expected Planting Period | Spring/Summer - Warm Weather | | Indoor Outdoor Usage | Indoor | | Indoor/Outdoor Usage | Indoor | | Item Weight | 4.54 g | | Manufacturer | RDR Seeds | | Material Feature | GMO Free, Heirloom | | Material Features | GMO Free, Heirloom | | Moisture Needs | Regular Watering | | Number of Pieces | 50 | | Other Special Features of the Product | Pet Friendly | | Plant or Animal Product Type | Fruit | | Product Care Instructions | Water | | Special Feature | Pet Friendly | | Sunlight Exposure | Full Sun | | USDA Hardiness Zone | 3 | | Unit Count | 1 Count | ## Product Details - **Brand:** RDR Seeds - **Color:** Brown - **Expected Planting Period:** Spring/Summer - Warm Weather - **Indoor/Outdoor Usage:** Indoor - **Item Weight:** 0.01 Pounds - **Material Feature:** GMO Free, Heirloom - **Product Care Instructions:** Water - **Special Feature:** Pet Friendly - **Sunlight Exposure:** Full Sun - **Unit Count:** 1 Count ## Images ![50 Black Diamond Watermelon Seeds for Planting - Heirloom Non-GMO Fruit Seeds for Planting - Grows Big Giant Watermelons Averaging 30-50 lbs - Image 1](https://m.media-amazon.com/images/I/813KEaPC1+L.jpg) ![50 Black Diamond Watermelon Seeds for Planting - Heirloom Non-GMO Fruit Seeds for Planting - Grows Big Giant Watermelons Averaging 30-50 lbs - Image 2](https://m.media-amazon.com/images/I/71yJHZbgv7L.jpg) ![50 Black Diamond Watermelon Seeds for Planting - Heirloom Non-GMO Fruit Seeds for Planting - Grows Big Giant Watermelons Averaging 30-50 lbs - Image 3](https://m.media-amazon.com/images/I/71XkNPb5lrL.jpg) ![50 Black Diamond Watermelon Seeds for Planting - Heirloom Non-GMO Fruit Seeds for Planting - Grows Big Giant Watermelons Averaging 30-50 lbs - Image 4](https://m.media-amazon.com/images/I/71W2ToKowOL.jpg) ![50 Black Diamond Watermelon Seeds for Planting - Heirloom Non-GMO Fruit Seeds for Planting - Grows Big Giant Watermelons Averaging 30-50 lbs - Image 5](https://m.media-amazon.com/images/I/71F20xishRL.jpg) ## Questions & Answers **Q: can they grow in las vegas nv** A: I grow them in Texas, should be zoned similarly **Q: Are they organic?** A: Yes they are. They are fairly small but worth every bite. I am now using second harvest seeds and they are amazing. **Q: I didn’t get mine. Supposedly they were delivered, but were not in mailbox. Did everyone else get theirs?** A: I recieved mine with no issues. **Q: If I buy these in august, will they be safe to keep in the refrigerator until next may?** A: I kept mine in a baggie on a shelf and they did fine. ## Frequently Bought Together - 50 Black Diamond Watermelon Seeds for Planting - Heirloom Non-GMO Fruit Seeds for Planting - Grows Big Giant Watermelons Averaging 30-50 lbs - 50 Hales Best Jumbo Cantaloupe Seeds for Planting Non GMO Heirloom Seeds Fresh Fruit Garden Seed - 50 Sugar Baby Watermelon Seeds for Planting - Heirloom Non-GMO USA Grown Premium Fruit Seeds for Planting a Home Garden - Small Watermelon Citrullus Lanatus by RDR Seeds --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/72485943-50-black-diamond-watermelon-seeds-for-planting-heirloom-non-gmo](https://www.desertcart.tn/products/72485943-50-black-diamond-watermelon-seeds-for-planting-heirloom-non-gmo) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-28*