Radicchio is a chicory family member known for its vibrant red leaves and slightly bitter taste. Here�s how to grow radicchio using organic methods.
Materials Needed
- Radicchio seeds
- Rich, well-draining soil
- Compost
- Watering can or hose
Choosing Varieties
Radicchio comes in several varieties:
- Chioggia: Round heads, deep red color.
- Treviso: Elongated heads, milder flavor.
- Castelfranco: Creamy white leaves with red speckles.
Soil Preparation
Radicchio prefers well-drained, fertile soil with a pH of 6.0-7.0:
- Loosen the Soil: Till to a depth of 8-10 inches (20-25 cm).
- Add Compost: Mix in 2-3 inches (5-7.5 cm) of compost.
Planting Radicchio
Sow seeds directly in the garden or use transplants:
- Spacing: Plant seeds 1/4 inch (0.6 cm) deep, 12 inches (30 cm) apart.
- Rows: Space rows 18 inches (45 cm) apart.
Watering and Mulching
Maintain consistent moisture:
- Watering: Water regularly, especially during dry periods.
- Mulching: Apply mulch to retain moisture and suppress weeds.
Organic Fertilizing
Radicchio benefits from regular feeding:
- Use compost tea or a balanced organic fertilizer every 3-4 weeks.
Harvesting Radicchio
Harvest radicchio when heads are firm and full-sized:
- Method: Cut heads at the base with a sharp knife.
Storing Radicchio
Store radicchio properly to maintain freshness:
- In the Fridge: Store heads in a plastic bag in the crisper drawer. Use within a week.
Growing Tips
- Blanch heads a week before harvest to reduce bitterness.
- Rotate crops annually to prevent disease.