Sparkler Radish Seed
Sparkler Radish Seed
Originating from Dutch and French spring radish traditions, this heirloom radish produces small, round roots. Each radish forms a globe measuring approximately 2.5 centimeters in diameter, featuring red tops and white bottoms with crisp, white flesh. Highlighted in the 1942 Burpee Seed Catalog for their uniformity and exceptional flavor, Sparkler White Tip heirloom radishes have been cultivated in Canada since at least 1937, according to records from the McFayden Catalogue.
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How To Grow
How To Grow
Sowing: Direct sow the first crop of radish seeds in rich soil, about four weeks before the last expected spring frost. Plant them in deeply worked up soil about 1/2" deep and 1" apart; later, thin the seedlings 2-3" apart or more for larger radishes. For a continuous harvest, plant a new crop every two weeks. Since most radishes do not tolerate heat well, it is best to avoid planting them in the heat of midsummer. For a fall crop and winter storage, plant radish seeds about two months before the first expected fall frost.
Growing: Radishes do well with consistently moist soil and the addition of organic matter such as compost. Do not allow the soil to dry out, but also avoid overwatering as this can cause splitting.
Harvesting
Harvesting
Harvesting: This variety tastes best when harvested at 1" in diameter. Sparkler White Tip radishes have a sweet flavor.
Seed Saving
Seed Saving
Seed Saving: Radishes will cross pollinate with all other varieties of radish, and must be isolated by at least half a mile from other varieties to protect genetic purity. Allow the radish plant to fully mature and send up a flowering stalk; the pods will form and turn from green to brown. Pick the brown pods and allow them to dry for several days. Thresh out the seeds by opening the pods by hand, or by applying pressure to crush them. Store the seeds in a cool, dry place for up to five years.
Extra Facts
Extra Facts
Planting Methods: Indoor, Outdoor, Hydroponics
Blooming Season: Late Spring to Early Summer
Planting Season: Early Spring
Latin Name/USDA Zones: Raphanus sativus/ 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
Sunlight Required/ Height: Full Sun/ 15-30 cm
Shelf Life After Test Date: Sparkler Radish Seeds boast a commendable shelf life after the test date. Stored in cool, dry conditions, these seeds remain viable for up to 3-5 years. Enjoy the flexibility of planning your garden, knowing that these seeds retain their potency for an extended period.
Can I Grow Radish Seed Sprouts: Yes
Seed Type: Open-Pollinated
Soil Type: Loam Soil