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.
|Veggie Garden Dairy|
|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|
|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 , same rate for each side dressing.|
|When to Fertilize||2 weeks before planting|
|Days to Harvest||30-60 days - depending on conditions and variety|