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Radicchio

Cichorium intybus var. foliosum

vegetable

Radicchio is a red or variegated Italian chicory forming compact, firm heads with a pleasantly bitter flavor. It requires cool weather to develop deep color and is often forced under darkness to enhance the burgundy hue. Radicchio matures in 60–100 days and stores well.

Radicchio

Common Problems

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Care Guide

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Light
Full sun (6–8 hours daily) for head formation and color development; some shade in intense heat.
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Water
Keep soil consistently moist but not waterlogged. Water 2–3 times weekly; reduce frequency as heads mature.
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Soil
Well-draining, fertile loam with pH 6.0–7.5. Add compost before planting for best head development.
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Fertiliser
Apply balanced fertilizer (10–10–10) every 3–4 weeks. Side-dress with nitrogen in early growth.
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Temperature
Cool-season crop; optimal 55–70°F (13–21°C). Cold exposure (near freezing) enhances red coloration.
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Humidity
Moderate humidity (45–60%) is optimal. High humidity may increase fungal disease risk.

Toxicity

check_circleSafe for Catscheck_circleSafe for Dogscheck_circleSafe for Children

Radicchio is entirely edible and non-toxic. All parts are used in salads and cooked dishes.

Common Diseases

Common Pests

Seasonal Care

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Resume regular watering and feeding as growth picks up.

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Peak growing season. Water and feed regularly.

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Reduce watering as growth slows. Stop heavy feeding.

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Minimal watering and feeding. Protect from frost if needed.

Radicchio Care Guide — Cichorium intybus var. foliosum | GreenScout