Radicchio Growing Guide
Crop Rotation Group
Rich, moisture-retentive soil with plenty of compost dug in.
Tolerates frost but is injured by hard freezes.
Drench with an organic liquid plant food when heads begin to form.
Single Plants: 9" (25cm) each way (minimum)
Rows: 7" (20cm) with 11" (30cm) row gap (minimum)
Sow and Plant
Start seeds indoors or sow them where you want plants to grow in early spring or early fall. Radicchio grows best when temperatures are cool.
Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area.
In early winter, plants can be lifted and grown indoors during winter.
Some varieties are more bolt resistant than others when grown in spring.
Bitter flavor is often due to hot weather.
Planting and Harvesting Calendar
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Pests which Affect Radicchio