The growing radishes quick reference guide below is designed as a quick overview of growing radishes. For more details on the different stages from seed to harvest go to the related pages link.
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Veggie Garden Dairy | |
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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
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When to Fertilize | 2 weeks before planting |
Days to Harvest | 30-60 days - depending on conditions and variety |
Comments |
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