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Guaranteed to Grow
Neonicotinoid-Free
Heirloom

Sparkler White Tip Radish

Quick Facts:

  • Heirloom variety from 1880s
  • Pink, globe-shaped radishes
  • White tips
  • Best harvested at 1" in diameter
  • 25 days to harvest

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Quantity: Packet (150 Seeds)

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We ship to all areas of North America including the United States, its territories and outlying islands, and Canada. International orders may incur an additional charge to cover the handling of customs paperwork. Returns are accepted within 30 days of receipt. Full warranty information can be found here.

Sparkler White Tip Radish

More about Sparkler White Tip

Raphanus sativus

Sparkler White Tip is an heirloom variety dating back to the 1880's.  A reliable producer of pink, globe-shaped radishes with white tips, Sparkler White Tip has long been one of the most popular varieties for planting in the home garden.  Roots have a mild, crisp flavor that peaks when the radishes are approximately one inch in diameter.  Matures approximately 25 days after sowing.  Successive sowings can be made every one to two weeks throughout spring and fall to ensure continuous harvests.  Each packet contains a minimum of 150 seeds.

Raphanus sativus

Sparkler White Tip is an heirloom variety dating back to the 1880's.  A reliable producer of pink, globe-shaped radishes with white tips, Sparkler White Tip has long been one of the most popular varieties for planting in the home garden.  Roots have a mild, crisp flavor that peaks when the radishes are approximately one inch in diameter.  Matures approximately 25 days after sowing.  Successive sowings can be made every one to two weeks throughout spring and... read more

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Raphanus sativus

Sparkler White Tip is an heirloom variety dating back to the 1880's.  A reliable producer of pink, globe-shaped radishes with white tips, Sparkler White Tip has long been one of the most popular varieties for planting in the home garden.  Roots have a mild, crisp flavor that peaks when the radishes are approximately one inch in diameter.  Matures approximately 25 days after sowing.  Successive sowings can be made every one to two weeks throughout spring and fall to ensure continuous harvests.  Each packet contains a minimum of 150 seeds.

Girl holding kohlrabi

How to Grow Radishes

Radishes require well-drained soil that is rich in organic matter and has a pH between 6.0 and 7.0. They also require full sun or partial shade, with at least 6 hours of sunlight per day. Soil should be moist but not waterlogged, and it is important to keep the soil consistently moist to prevent the radishes from becoming woody and bitter. Radishes prefer cool weather and perform best when sown in the spring or fall. Successive sowings can be made every 7-10 days throughout spring and fall or a continuous harvest.

Plant seeds outdoors as soon as soil can be worked.  Sow seeds 1/4" deep, 1/2" apart, in rows 12-18" apart.  Germination will occur in 5-10 days.  Thin to 1" spacing after seedlings have emerged. 

Not recommended

Insect Pests

Radishes can usually be grown without problems, however in certain areas they may be affected by certain insect pests, including flea beetles and root maggots. Flea beetles cause small holes in the leaves, while root maggots damage the roots and can cause the radish to become stunted. These pests can be controlled by using row covers and practicing crop rotation. Severe infestations flea beetles can be controlled using insecticidal soap, while root maggots can be treated by sprinkling diatomaceous earth around the plants to limit population growth.

Diseases & Other Problems

Radishes are susceptible to a few diseases, however they are rarely a serious issue. The most common problem encountered when growing radishes is premature bolting, which can be caused by excessive heat and/or crowding. Avoid planting radishes in late spring or summer as they will bolt too quickly. Also be sure to thin the radishes after planting and keep weed competition at a minimum. Regular watering will also help the plants avoid stress and improve the flavor of the radishes. Finally, be sure to harvest the radishes before they become overly mature. Radishes grow very quickly when they reach maturity and may split when a dry spell is quenched by a heavy rain.

Radishes can be harvested when they reach the desired size, usually 3-4 weeks after planting. To harvest, gently pull the radish from the soil, being careful not to damage the root. Cut off the leaves and roots, leaving a small amount of stem attached to the root to help preserve moisture. Radishes can be stored in the refrigerator for up to two weeks in a plastic bag or container.

CONSIDERATIONS:

Radishes are outbreeding plants with insects performing the predominant share of pollination. They will cross with all varieties of wild and domesticated radishes so isolation by distance or physical barrier is necessary. To ensure varietal purity, plantings may be caged with introduced pollinators.

HARVESTING SEED:

Harvest seed stalks when a majority of the pods have turned brown and dried. Cut the stalks or pull entire plants and lay flat or hang in a well-ventilated area to allow the plants to dry completely. Crush the pods with a hammer or stomp to release the seeds. Note that this may require a good bit of effort as the pods can be a bit challenging to open. Winnow the seeds to remove the chaff and store in an airtight container.

SEED LONGETIVITY:

Radish seeds will remain viable for five years when stored properly.

A bunch of radishes

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