Watermelon Radish Seeds, 120+ Premium Heirloom Seeds,Fantastic Addition to Your Home Garden! Watermelon radish is an heirloom Chinese daikon radish and botanically a member of the Brassica (mustard) family. Plant anywhere from early to late spring, and give them about 65 days to mature. Like radishes, watermelon radishes are just as easy to grow and very similar in planting and growing methods. Flavour-wise, the watermelon radish is also a winner. You can plant every 2 weeks for a continuous harvest.

$5.99 $ 5. But its not all about looks. An heirloom relative of the daikon radish, it’s crisp and mild — much less peppery than the standard red radish. Top Pick, (Isla's Garden Seeds), Non GMO Organic, 90% Germination Rates, Highest Quality Seeds. 4.0 out of 5 stars 41. Like most radishes the Watermelon radish contains isothiocyanate, a pungent chemical compound that when isolated makes an organic, natural pest repellent. Watermelon Radish Raphanus sativus Seeds 500+ Each Non-GMO Open Pollinated Heirloom Seeds for Home and Yard Garden Planting . Watermelon radish seeds may be hard to find, but you'll have no problem ordering from from an online seeds catalog. Get it as soon as Wed, Jul 8. 99.