
Photos are representative and may not match your specific variety.
Indigo
LettuceCichorium intybus
- Full sun
- Zones 3–8
- 65 days to maturity
- Vegetables
- 18" spacing
- Moderate water
- Annual
Overview
Indigo has been the most reliable radicchio in both our hot- and cool-weather trials. It is remarkably sure-heading, very tolerant to tipburn, and resistant to bottom rot. The firm, 4-5" diameter heads are a nice burgundy color with good flavor. For spring, summer, and fall production. Also available with NOP-compliant pelleting.
Planting
Direct sow after last frost or start indoors 4-6 weeks before transplanting
Growing
Sun: full. Water: moderate. Soil: Well-drained, fertile soil, slightly acidic to neutral pH. Space plants 18" apart. Germination: 7-10 days.
Pests & diseases
Common pests: Aphids, flea beetles, slugs, cabbage worms. Common diseases: Bottom rot (resistant variety), tipburn (highly tolerant).