Rouge de Verona Radicchio Heirloom Seeds

Rouge de Verona is a beautiful Italian heirloom radicchio that forms compact, elongated heads in deep burgundy-red with crisp creamy-white ribs. Cool weather brings out its best color and naturally sweetens its pleasantly bitter, peppery flavor. Open-pollinated and non-GMO, it is a rewarding cool-season crop for salads, grilling, and elegant winter cooking.

History

Rouge de Verona comes from the Veneto region of northern Italy, where radicchio has been cultivated for generations as a valued cool-season leafy vegetable. Its distinctive wine-red heads and firm, cabbage-like form reflect the traditional Italian chicory types preserved by home gardeners and market growers. The result is a radicchio with old-world character, excellent texture, and a flavor that becomes sweeter and more complex after cool nights.

Plant Profile

• Days to Maturity: 65–90 days, depending on weather and harvest size
• Head Size: 4–6 inches tall and 3–5 inches wide
• Plant Size: 8–12 inches tall and wide
• Plant Type: Cool-season leafy vegetable, grown as an annual

Flavor Profile

Rouge de Verona has crisp, dense leaves with a pleasantly bitter, peppery bite and a refreshing crunch. The burgundy leaves are balanced by creamy-white ribs, while cool temperatures bring out a gentler sweetness. Roast, grill, or sauté the heads to mellow the bitterness and reveal a richer, almost nutty character.

When to Plant

Radicchio prefers cool growing weather and is especially rewarding as a fall crop. Direct sow in early spring 2–4 weeks before your last spring frost, or start seeds indoors 6–8 weeks before transplanting. For a fall harvest, sow 8–10 weeks before your first expected fall frost. Aim for soil temperatures around 50–70°F, and transplant seedlings once they have 3–4 true leaves. Check your USDA Hardiness Zone to fine-tune your seasonal timing.

Growing Tips & Planting Dimensions

• Spacing: Thin or transplant to 8–12 inches apart, with 12–18 inches between rows.
• Planting Depth: Press onto the surface and cover with no more than 1/8 inch of fine soil.
• Germination: Usually 7–14 days at 65–70°F.
• Sun: Full sun to light afternoon shade, especially in warmer climates.
• Soil: Fertile, moisture-retentive, well-drained soil with plenty of organic matter.
• Water: Keep soil evenly moist throughout growth to encourage crisp heads and steady development.
• Color and flavor: Cool nights bring out the deepest red color and sweetest flavor. In warm weather, provide afternoon shade and harvest promptly.
• Healthy plants: Water at soil level, rotate leafy crops, and use light mulch to conserve moisture while keeping leaves clean.

🌱 Surface Sow Germination 🌱

On the surface — do not cover, needs light.

1. Start with the right foundation. Use a fine seed-starting mix — not garden soil or coarse potting mix. Sift it if needed. Small seeds need a smooth, even surface to make good contact and germinate reliably.
2. Surface sow — do not bury. Press seeds gently onto the moist surface and leave them right on top. These seeds need light to germinate — even a light covering can work against you.
3. Mist, don’t drench. Use a spray bottle to keep the surface evenly moist. Watering from above can wash small seeds away before they ever get started.
4. Warmth is your friend. These seeds germinate best at 65–70°F — basically normal room temperature. A heat mat can help if your space runs cool.
5. Trap the humidity. Cover your tray with a humidity dome or a loose piece of plastic wrap. This keeps moisture and warmth stable while you wait.
6. Give them time. Keep conditions consistent, resist the urge to overwater, and trust the process — they will sprout.
7. Thin with scissors, not fingers. Once seedlings appear, snip extras at the soil line rather than pulling. These roots are close together and pulling one can disturb its neighbors.

Radicchio does not need cold stratification. Once seedlings are established, give them bright light and transplant carefully so the roots stay as undisturbed as possible.

Growth Type & Harvest Yields

Rouge de Verona forms one dense, upright head per plant, with outer leaves wrapping around a firm central heart. Harvest baby leaves for a continuous supply, or allow plants to mature into full heads for the best color and crunch. With 8–12 inches of spacing, each plant can produce one generously sized head, and succession sowing can extend the harvest window.

Knowing When to Harvest

Harvest when the heads have developed their deep burgundy-red color, feel firm and dense, and have reached the size you want. Cool nights intensify the red color and soften the bitterness, so fall-grown heads are often especially flavorful. Cut the head at soil level with a sharp knife, removing any damaged outer leaves. Baby leaves can be picked from the outside as needed, and mature heads are best used soon after harvest, though they keep well in the refrigerator for about 1–2 weeks when wrapped loosely in a perforated bag.

Companion Plants & Mutual Benefits

• Carrots: Their different root and leaf zones make efficient use of garden space.
• Onions: Their upright growth fits neatly beside radicchio and their scent may help confuse some pests.
• Beets: A compatible cool-season pairing with similarly steady moisture needs.
• Dill: Attracts beneficial insects that help support a balanced garden.
• Chives: Compact, pollinator-friendly neighbors that fit well around leafy crops.

How to Enjoy

• Toss raw leaves into salads with pears, apples, walnuts, and a bright vinaigrette.
• Grill or roast halved heads until the edges char and the centers soften.
• Sauté with garlic and olive oil for a quick, bittersweet side dish.
• Fold ribbons into risotto, pasta, or creamy polenta.
• Use whole leaves as colorful cups for grains, beans, or savory fillings.

Order Today

Grow the deep color and crisp, Italian character of Rouge de Verona in your own cool-season garden. Order your open-pollinated, non-GMO heirloom seeds today and bring a beautiful, flavorful radicchio harvest to the table.