Radicchio Vegetable Seeds Packet

$4.95

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Quick Seed Overview
  • Plant Type: Biennial
  • Genus: Cichorium
  • Species: C. intybus
  • Plant Height/Width: 8–12 in tall x 8–12 in wide
  • Exposure: Full Sun to Part Shade
  • Difficulty: Moderate
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Our flower and vegetable seeds are beautifully packaged little packets of magic. Guaranteed to turn your garden into the envy of the neighborhood. Get your hands dirty and let nature simply do its thing.

How to Plant Radicchio from Seed

When to Plant Seeds

  • Spring Planting: Sow seeds 4-6 weeks before the last frost date.
  • Fall Planting: Sow seeds 8-10 weeks before the first frost.
  • In mild climates, radicchio can be grown year-round.

Preparing for Planting

  1. Select a sunny to partially shaded site.
  2. Loosen soil to a depth of 6-8 inches and mix in organic compost.
  3. Ensure good drainage, as radicchio does not tolerate waterlogged soil.

Sowing Seeds

  1. Plant seeds ¼ inch deep and 6 inches apart in rows 12 inches apart.
  2. Water lightly after sowing and keep soil evenly moist.
  3. Germination occurs in 7-14 days, depending on temperature.

Thinning Seedlings

  • Once seedlings reach 3-4 inches tall, thin them to 10-12 inches apart.
  • Use thinned seedlings as microgreens or early greens.

Pro Tip

Radicchio develops its best color and flavor in cool weather, so plant it in early spring or late summer. To encourage tight, crisp heads, trim outer leaves as it grows and give it plenty of water.

Bonus: A light frost enhances its sweetness and reduces bitterness!

Getting to know your Radicchio

Radicchio forms tight, compact heads similar to cabbage, though some varieties have more open growth habits. The leaves have a distinct bitterness, which mellows when cooked. Common varieties include Chioggia (round heads with deep red leaves) and Treviso (elongated heads with crisp texture).

What it's used for

1. Culinary Uses:

  • Used raw in salads to add color, crunch, and a slightly bitter flavor.
  • Grilled or roasted to mellow its bitterness and enhance its sweetness.
  • Sautéed with olive oil and garlic for a savory side dish.
  • Added to risottos, pasta dishes, or soups.

2. Nutritional Benefits:

  • Rich in vitamins K, C, and B9 (folate).
  • High in antioxidants, which support immune function and heart health.
  • Contains dietary fiber, promoting digestion and gut health.

3. Companion Planting:

  • Grows well with carrots, onions, garlic, and herbs.
  • Avoid planting with cabbage and other brassicas, as they compete for nutrients.
Growth Requirements

Light:

  • Prefers full sun to partial shade.
  • Requires at least 6 hours of sunlight daily.

Soil:

  • Prefers well-draining, fertile soil with a pH of 6.0-7.0.
  • Adding organic compost or aged manure improves soil quality.

Watering:

  • Keep soil evenly moist but not waterlogged.
  • Water deeply once or twice a week, depending on weather conditions.

Temperature & Climate:

  • Ideal growing temperature: 50-75°F (10-24°C).
  • Can tolerate light frost, which enhances its flavor.
  • Hot temperatures may cause bolting, leading to a bitter taste.

Fertilization:

  • Use a balanced fertilizer (10-10-10) or organic compost.
  • Apply a nitrogen-rich fertilizer every 3-4 weeks to encourage leafy growth.
Maintenance

Mulching:

  • Apply a thin layer of mulch to retain moisture and suppress weeds.

Pruning & Harvesting:

  • Cut outer leaves first to allow continuous growth.
  • Harvest radicchio 60-90 days after planting, when heads are firm.

Bolting Prevention:

  • Avoid high temperatures to prevent premature flowering.
  • Water consistently and provide shade during hot periods.

Refrigeration:

  • Store fresh radicchio wrapped in a damp paper towel in a plastic bag for up to a week.

Freezing:

  • Blanch radicchio leaves and freeze in airtight containers for up to 6 months.

Drying:

  • Dehydrate radicchio leaves at 95°F (35°C) and store in airtight jars.
Pests and Diseases

Common Pests:

  • Aphids: Rinse with water or use insecticidal soap.
  • Slugs and snails: Use barriers like crushed eggshells or diatomaceous earth.
  • Leaf miners: Remove affected leaves to prevent spreading.

Common Diseases:

  • Downy mildew: Improve airflow and avoid excessive watering.
  • Root rot: Ensure well-draining soil and avoid overwatering.
  • Fusarium wilt: Rotate crops yearly to prevent soilborne pathogens.

Feed Your Plants Like You Actually Know What You’re Doing

Your plants called—they're tired of your "just water and hope" approach. Give themverteRx, the premium plant food packed with vitamins and growth boosters. Stronger roots, lusher leaves, and fewer judgmental stares from your fiddle-leaf fig. Because even plants deserve proper nutrition (unlike your diet).


Pretty Pots for Pretty Plants

Your plants work hard to look good—shouldn’t their pots do the same? Choose from our gorgeous flower pots and let your greenery thrive in style. Because plain plastic is just rude.

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