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Growing Radicchio Guide 
A Quick Overview

Growing Radicchio Guide

The growing radicchio quick reference guide below is designed as a quick overview of growing radicchio. For more details on the different stages from seed to harvest go to the related pages link.

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Quick Reference Guide

Veggie Garden Dairy
Vegetable	Radicchio
Also Known As	Italian chicory, Red chicory
Botanical	Family: Asteraceae, Genus: Cichorium, Species: C. intybus
Plant Type	Cool season - perennial - leafy vegetable
Frost Tolerance	Hardy
Planting Position	Sunny position but welcomes shade in the hottest part of the season - growing radicchio requires a minimum of 3-4 hours of direct sunlight daily.
Seed Viability	5 years
Germination	7-10 days at 40-80 F (4-27 C)
Growing Temp	50-70 F (10-21 C)
Seed to Transplant	4-6 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 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 radicchio seeds - 1/4 inch (6 mm) deep - 1-2 inches (25-50 mm) apart in rows 12-18 inches (30-45 cm) apart
Plant Spacing	Transplant or thin radicchio seedlings to 12-15 inches (30-38 cm) apart in rows 12-18 inches (30-45 cm) apart
Soil Conditions	Well drained - Moderate to high 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 , same rate for each side dressing.
When to Fertilize	2 weeks before sowing or transplanting - when transplanting use liquid starter fertilizer - side-dress every 3-4 weeks
Days to Harvest	70-90 days - depending on conditions and variety.
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