How to Grow Treviso Precoce
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Treviso Precoce
Cichorium intybus var. foliosum
vegetableTreviso Precoce is an Italian heirloom radicchio variety known for its elongated, burgundy leaves with white ribs and bitter, complex flavor. It matures earlier than standard Treviso, making it ideal for cooler seasons. This leafy vegetable is prized in Mediterranean cuisine for its distinctive appearance and slightly sweet undertones when cooked.
When should you plant Treviso Precoce in your zone?
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Example Treviso Precoce timeline · Pittsburgh, PA (Zone 6b)
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Plant Treviso Precoce
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Treviso Precoce
Around Jun 16≈ 60 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Treviso Precoce dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Zones 5-8; prefers cooler weather and benefits from frost exposure for color development
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Get my Treviso Precoce timeline →Growth Stages
Seedling
2-3 weeksTiny cotyledons emerge, followed by first true leaves. Plants are delicate and pale green.
Keep soil consistently moist. Provide bright light to prevent leggy growth. Thin seedlings to prevent crowding.
Vegetative
3-4 weeksPlant develops multiple elongated leaves with visible midribs. Leaves remain bright green at this stage.
Ensure steady watering and consistent nitrogen availability. Space plants properly for air circulation. Begin light fertilizing every 2 weeks.
Head Formation
3-4 weeksOuter leaves begin clustering into a loose, elongated head. White ribs become more pronounced.
Maintain even moisture to prevent splitting. Reduce nitrogen slightly to encourage head tightness. Expose to cooler temperatures to enhance color development.
Mature Head
1-2 weeks before harvestFully formed elongated head with deep burgundy coloring and prominent white ribs. Head feels firm when gently squeezed.
Stop heavy feeding. If frost is expected, harvest immediately or provide row covers. Light frost deepens color and adds sweetness.
Harvest-Ready
Variable; extends through fall and early winterHeads are compact, deeply colored, and hold their shape. Some sources prefer harvesting after a light frost for enhanced flavor.
Harvest when heads feel firm and leaves are tightly arranged. Cut at soil level with a sharp knife. Store in cool conditions immediately after harvest.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with insecticidal soap or neem oil early morning. Remove heavily infested leaves. Encourage natural predators like ladybugs.
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Use row covers on seedlings. Apply neem oil or spinosad. Hand-pick if infestation is light. Diatomaceous earth on leaves provides control.
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Handpick in early morning or evening. Use copper tape or barriers. Apply organic slug bait (iron phosphate). Encourage ground beetles.
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Remove by hand from young plants. Apply Bacillus thuringiensis (Bt) spray. Use row covers to prevent egg-laying.
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Spray undersides of leaves with insecticidal soap. Use yellow sticky traps to monitor and reduce populations. Increase air circulation.
Uses
Roasted radicchio
CulinaryTreviso Precoce's elongated leaves are ideal for roasting or grilling whole. The heat mellows the bitterness and caramelizes the natural sugars, making it a sophisticated side dish. [source]
Raw salads and garnish
CulinaryThe striking burgundy and white coloring makes it visually stunning in fresh salads. Young tender leaves have a complex bitter-sweet flavor that pairs well with creamy dressings and mild cheeses. [source]
Digestive and liver support
MedicinalLike other chicory varieties, Treviso Precoce contains inulin and sesquiterpenes that support digestive function and liver health. Traditional herbalists recommend it as a bitter digestive tonic. [source]
Pasta and risotto ingredient
CulinaryItalian cuisine traditionally features Treviso radicchio in pasta dishes, risottos, and vegetable preparations where its distinctive flavor complements creamy sauces and broths. [source]
Natural dye
HouseholdThe deep burgundy leaves can be used to create natural dyes for fabric and craft projects, yielding purples and reds depending on mordants used. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Harvest when heads are firm and fully colored, typically 60-80 days from transplant. Cut at the base with a sharp knife in the morning when plants are crisp. Leave 1-2 inches of stem for potential regrowth. Light frosts improve flavor and color. Store in refrigerator at 32-40°F in a plastic bag for 2-3 weeks. For extended harvest, pick outer leaves as they mature.
Fun Facts
- 🌱 Treviso Precoce originates from the Veneto region of northern Italy, where radicchio has been cultivated for centuries. The name 'Precoce' means 'early' in Italian, distinguishing it from later-maturing standard Treviso varieties.
- 🌱 Light frost actually improves Treviso Precoce's flavor and deepens its burgundy color through biochemical changes. Many growers wait for the first frost before harvesting for the best taste and appearance.
- 🌱 The white ribs contain calcium, while the deep red pigmentation comes from anthocyanins, the same powerful antioxidants found in blueberries and red wine.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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