Calabrese Broccoli illustration

Calabrese Broccoli Growing Guide

Brassicaceae family

Days to Harvest65 days
SunlightFull Sun
Frost ToleranceHeavy
Spacing18/sqft
Germination5-10 days
HardinessHardy
Germ. Temp75°F
Start Indoors6 weeks before last frost

Growth Stages

  1. Seedling
  2. Early Vegetative
  3. Late Vegetative / Harvest Ready

Planting Dates by Zone

Zone 1aZone 1bZone 2aZone 2bZone 3aZone 3bZone 4aZone 4bZone 5aZone 5bZone 6aZone 6bZone 7aZone 7bZone 8aZone 8bZone 9aZone 9bZone 10aZone 10bZone 11aZone 11bZone 12aZone 12bZone 13aZone 13b

Frequently Asked Questions

How long does it take to grow Calabrese Broccoli?

Calabrese Broccoli takes approximately 65 days from planting to harvest.

How much sun does Calabrese Broccoli need?

Calabrese Broccoli requires full sun (6+ hours direct sunlight per day).

How far apart should I plant Calabrese Broccoli?

Plant Calabrese Broccoli at 18/sqft using square foot gardening spacing.

Can Calabrese Broccoli survive frost?

Calabrese Broccoli is tolerant of heavy frost and can withstand freezing temperatures.

How long does Calabrese Broccoli take to germinate?

Calabrese Broccoli seeds germinate in 5-10 days at an optimal temperature of 75°F.

When should I start Calabrese Broccoli seeds indoors?

Start Calabrese Broccoli seeds indoors 6 weeks before your last frost date, then transplant 2 weeks after last frost.

Plan Your Calabrese Broccoli Garden

Track Calabrese Broccoli from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

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