Broccoli Growing Guide
Broccoli is a cool-season cole crop prized for its dense, edible flower heads. It is one of the most nutritious vegetables, exceptionally high in vitamins C and K, sulforaphane, and dietary fiber.
Growing Conditions
Soil Requirements
Soil Type & pH
Best soil types: loam, clay loam, silt loam
pH range: 6 - 7.5 (optimal: 6.5)
Drainage: good
Nutrient Needs (N-P-K)
Planting Guide
Yield & Economics
Common Pests & Diseases
Common Pests
- cabbage worm
- aphids
- flea beetle
- cabbage looper
Common Diseases
- clubroot
- downy mildew
- black rot
- alternaria leaf spot
Use to identify issues early and prevent crop losses.
Growing Tips
Harvest the central head while buds are still tight and before yellow flowers appear; side shoots will continue producing for several weeks.
Apply 2-3 split nitrogen applications rather than one heavy dose to promote steady growth and prevent hollow stems.
Use row covers to protect transplants from cabbage white butterflies and flea beetles during early establishment.
Frequently Asked Questions
How long does Broccoli take to grow?
Broccoli typically takes 80 days from planting to harvest. Seeds germinate in about 7 days. The best planting season is early spring, late summer.
What soil does Broccoli need?
Broccoli grows best in loam, clay loam, silt loam soil with a pH of 6-7.5. Good drainage is required.
What temperature does Broccoli need?
Broccoli grows best at 15-22°C. Frost tolerance: moderate. Heat tolerance: low.
What is the expected yield for Broccoli?
Broccoli yields approximately 15,000 kg/hectare under good conditions. Multiple harvests per year are possible (2).
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