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Growing Radishes That Will
Make Your Taste Buds Quiver

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French Breakfast Radishes

Growing Radishes

What’s fast and easy to grow, crisp and tasty and goes from seed to the table in 30 days or less. You guessed it, radishes.

There are 2 main types of radishes grown by home vegetable gardeners, annual radishes and winter or storage radishes. There is a third type, although not common in the home garden, is the varieties that are grown specifically for their seeds or seed pods, rather than their roots.

This underutilized addition to the family diet whose taste goes from mild to sizzling hot comes in a wide variety of sizes, shapes, skin colors and taste. The size of different varieties ranges from those no bigger than a quarter to the giants weighing in at 50 lb (22.68 kg) or more. They can be round or elongated with colors including red, pink, purple, black, white and yellow.



Quick Reference Guide


Veggie Garden Dairy
Vegetable Radish
Also Known As
Botanical Family - Brassicaceae, Genus - Raphanus, Species - R. sativus
Plant Type Most common varieties are Cool season - annual - root vegetable, with some varieties that grow well in summer
Frost Tolerance Hardy
Planting Position Sunny position - Will do alright in partial shade - requires a minimum of 4-6 hours of direct sunlight daily.
Seed Viability 4 years
Germination 3-6 days at 40-80 F (4-27 C)
Growing Temp 50-70 F (10-21 C)
Seed to Transplant Direct sow only
Planting Method Direct sow
When to Plant Spring and again in mid-summer for fall-winter harvest
Time to Plant As soon as 2 - 4 weeks before the average date of the last 32 F (0 C) freeze in the spring in your area but not before soil temperatures are consistently 40 F (4 C) and above.
Seed Sowing Direct sowing radish seeds - 1/2 inch (12 mm) deep. 1-2 inches (25-50 mm) apart in rows 12-18 inches (30-45 cm) apart - broadcast over an area and cover with 1/2 inch (12 mm) of soil.
Plant Spacing Direct sow radish seeds only - thin to 3-4 inches (7-10 cm) apart (depending on size of variety) in rows 12-18 inches (30-45 cm) apart
Soil Conditions Well drained - Low to moderate organic matter - Low to medium fertility
Fertilizer Low fertilizer needs, 2-3 quarts per 100 sq feet (2.2-3.3 liters per 9.3 square meters) preplanting of All-Purpose 5-5-5 Organic Fertilizer icon, same rate for each side dressing.
When to Fertilize 2 weeks before planting
Days to Harvest 30-60 days - depending on conditions and variety
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