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Broccoli Growing Guide
Brassicaceae family
Days to Harvest70 days
SunlightFull Sun
Frost ToleranceHeavy
Spacing1/sqft (12" apart)
Germination5-10 days
HardinessHardy
Germ. Temp75°F
Start Indoors6 weeks before last frost
Companion Planting
Growth Stages
- Seedling
- Early Vegetative
- Late Vegetative / Harvest Ready
Planting Dates by Zone
Frequently Asked Questions
How long does it take to grow Broccoli?
Broccoli takes approximately 70 days from planting to harvest.
How much sun does Broccoli need?
Broccoli requires full sun (6+ hours direct sunlight per day).
How far apart should I plant Broccoli?
Plant Broccoli at 1/sqft (12" apart) using square foot gardening spacing.
Can Broccoli survive frost?
Broccoli is tolerant of heavy frost and can withstand freezing temperatures.
What are good companion plants for Broccoli?
Good companion plants for Broccoli include Sage, Rosemary, Mint, Chamomile, Dill. Avoid planting near Strawberries, Tomatoes, Beans.
How long does Broccoli take to germinate?
Broccoli seeds germinate in 5-10 days at an optimal temperature of 75°F.
When should I start Broccoli seeds indoors?
Start Broccoli seeds indoors 6 weeks before your last frost date, then transplant 2 weeks after last frost.
Plan Your Broccoli Garden
Track Broccoli from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
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