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Cultivating Gardeners



Product Description:

60 days. It’s easy to see why watermelon-type radishes are all the rage. They are by far the prettiest variety we’ve grown. The sweet, white roots have brilliant fuchsia-colored flesh with light pink streaks radiating from the center, earning its stellar name. Best planted in early spring or fall, Starburst dresses up veggie platters, salads, and makes delicious pickles too!
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  • Key Features:

Customer Reviews

Based on 11 reviews
Shirley C.
Starburst radishes a work in progress

Haven't gotten to eat one yet, long winter in Colorado. They are growing nicely and I look forward to harvest.

Love it in the winter

I grow two winter radish varieties from Territorial; Sweet Baby and Starburst. Both are outstanding. I grow them in my backyard in Willamette valley, Oregon. I plant them Aug 1. Keep them moist. Keep them under insect netting to prevent maggots in the roots. And they come out clean, crunchy, mildly spicy, big and most beautiful roots all winter long. We add them to all kinds of salads. Outstanding hybrids!!! Thanks Territorial!


I was surprised to see such a low star rating here. Zone 6 grower here, Ive had nothing but success with both spring AND fall plantings. This includes planting as late as end of April into May. Ive only lacked bulbs when plant spacing is too tight, raised bed soil is too dense, and/or i forgot fertilizer.

I love the inside out appearance on this, people love the pop it gives, as well as the excellent taste. Agree wholeheartedly with the pickling assessment, these look killer on fish tacos!

Getting radishes to bulb

My radishes won't bulb up if the weather is too warm, which is normal. The ones I planted earlier and matured while the weather was cooler, bulbed up beautifully and tasted wonderful. The others that were planted later and endured a hot snap, didn't bulb up, but the chicken enjoyed them immensely.

Hope this helps gardeners that have experienced non-bulbing radishes. The one thing that I find particularly wonderful about gardening is that there are so many opportunities to start over, if something doesn't work the first time around, try again!

Soil Temp for Germ 45–80°F
Seed Depth ½"
Seed Spacing ½"
Days to Emergence 4–11
Thin Plants to 1–2"
Row Spacing 8–12"
Fertilizer Needs Low
Minimum Germination 80%
Seeds per Gram ≈ 80
Seed Life 4 years

Raphanus sativus Radishes are best sown in spring or late summer, maturing when days are shorter, sunlight weaker, and temperatures milder; though some varieties are better able to handle summer conditions. The mildly spicy roots, low in calories and rich in fiber and cancer-fighting antioxidants, have good qualities as a digestive tonic or to clear the sinuses and ease sore throats. Anti-microbial properties made them a detoxifier in traditional medicine, and couple with high vitamin C for an immune boost. Don't discard the tops, as they are even denser with nutrients.

Days to maturity are calculated from date of direct seeding.

• Prepare the bed by working compost into the top 2-3 inches of soil
• Needs consistent soil moisture due to shallow root systems
• Dry or crowded conditions will slow growth and make roots hot or pithy
• The season may be extended from February through October by sowing in cold frames or using row covers
• For extended harvests plant every two weeks

Direct Sowing
• Direct sow spring through early summer
• Three grams will sow 7-8 row feet
• It is essential to thin promptly when they form 2 true leaves
• Sow mid-August—mid-September for a fall crop

Insects & Diseases
• Common insects: See Brassica Insect Information below
• Disease prevention: 5-7 year crop rotation

Harvest & Storage
• Harvest while still young (before splitting)
• Remove tops before storing
• Let a few plants bolt and make a seed pod — green pods have a crunchy, mild radish flavor
• Store at 36°F and 100% relative humidity

What is seed tape?
Seed tapes are perfectly straight rows of precisely spaced crops. No more having to thin seedlings! This biodegradable tape will plant a row 5 meters (16 feet, 5 inches) long. Simply lay it in a furrow and cover with a light layer of sifted compost or soil, water and wait. Save yourself a heap of planting time with these popular vegetable and herb staples.

Brassica Insect Information
Aphids: Control aphids with ladybugs or a hard spray of water or Pyrethrin. Also, select varieties that mature later in the season when aphid populations decline.
Cabbage worms, loopers, and root maggots: The first sign of cabbage worms will be off-white butterflies fluttering near the plants. They lay their yellowish-colored eggs on the undersides of leaves, which hatch into caterpillars that can cause severe root and head damage. To control light infestations, spray plants with Bacillus thuringiensis (B.t.). For heavy infestations, bait cabbage worms by mixing wheat bran into a B.t. solution. Add 1 tablespoon of molasses. Broadcast the bran mixture around the base of plants. Reapply as necessary. Using Reemay or Summer Insect Barrier can also provide control.
Flea beetles: Flea beetles chew tiny pinholes in leaves. Early control is essential to minimize the damage. Spray infected plants with Pyrethrin. Using floating row covers such as Summer Insect Barrier can also provide control.
Symphylans: In some areas of the US, symphylans (also known as garden centipede) can severely impede the plant growth of many crops. Only 1/4 inch long, white, and very active, they eat the root hairs of developing plants. Using larger transplants helps reduce damage. Contact your local county extension agent if you suspect you have a problem.

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