Here is the Watermelon Radish, Raphanus sativus acanthiformis. It is also know as the Rooseheart, Red Meat or Beauty Heart radish in America. It originated in China where it was known as Shinrimei (Xin Li Mei) radish and is considered an heirloom Chinese Daikon radish. It looks just like a watermelon when sliced in half! They can range in size from golf ball to softball and has a greenish rind with a white-pink inside. Radishes can be useful as companion plants for many other crops, probably because their pungent odor deters such insect pests as aphids. This is a great starter vegetable for new gardeners. best picked young before they get big. Open pollinated, about 40 days.
Quantity 20 seeds20 seeds
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The timing of radish seed planting depends upon the specific radish variety. Annual or spring radish varieties grow best when sown in the spring two to three weeks before the last average spring frost date when soil temperatures reach 55 degrees Fahrenheit. Annual radishes also grow well when planted in late summer or early fall when temperatures drop below 65 degrees Fahrenheit. Winter or biennial radishes benefit from a mid to late summer planting timed so that they are ready for harvest at the first average fall frost date.
Radish seeds germinate most readily when exposed to constant temperatures of 55 to 75 degrees Fahrenheit. However, they will sprout at temperatures as low as 40 degrees and as high as 85 degrees. Sowing the seeds 1/4- to 1/2-inch deep and 1 inch apart provides the correct spacing for seedling emergence. Under ideal conditions, radish seeds will germinate within three to four days, but may take as many as 10 days. If planted any deeper or exposed to cooler temperatures, the seeds will take longer to germinate and may not germinate at all.