The growing cauliflower quick reference guide below is designed as a quick overview of growing cauliflower. 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 | Cauliflower |
Also Known As | |
Botanical | Family - Brassicaceae, Species - Brassica oleracea , Cultivar group - Botrytis Group |
Plant Type | Cool season - annual - flowering vegetable |
Frost Tolerance | Semi Hardy |
Planting Position | Sunny position but welcomes shade in the hottest part of the season - requiring a minimum of 3-4 hours of direct sunlight daily. |
Seed Viability | 4 years |
Germination | 5-10 days at 50-80 F (10-27 C) |
Growing Temp | 55-75 F (13-24 C) |
Seed to Transplant | 5 - 7 weeks |
Planting Method | Direct sow or Seedling transplants |
When to Plant | Spring and again in mid-summer for fall-winter harvest |
Time to Plant | As early as 1 - 2 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 above 50 F (10C) |
Seed Sowing | Direct sowing cauliflower seeds - 1/2 inch (12 mm) deep - 4 inches (10 cm) apart in rows 24-30 inches (60-75 cm) apart. |
Plant Spacing | Transplant or thin seedlings 12-18 inches (30-45 cm) apart in rows 24-30 inches (60-75 cm) apart or stagger plants 18 inches (45 cm) apart in each direction, for a grid. |
Soil Conditions | Well drained - High organic matter - Rich fertility |
Fertilizer | High fertilizer needs, 5-6 quarts per 100 sq feet (5.5-6.6
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 sowing or transplanting - when transplanting use liquid starter fertilizer - side-dress every 3-4 weeks – last side-dressing as the heads begin to show. |
Days to Harvest | 65-75 days - depending on conditions and variety. |
Comments |
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