How to Grow Radicchio from Seed

Radicchio in garden seed starting

Radicchio grows highest inside the cool local weather of spring and fall.

Radicchio has a lettuce-like head that colors to a deep rosy crimson as the weather grows cold in autumn or wintry climate. The slightly bitter taste of radicchio sweetens with cooler day temperatures.

Table of Contents

When to Plant Radicchio

  • Direct seed radicchio inside the spring as temporarily since the soil can be worked or get began seed indoors 8 weeks previous than the overall frost in spring secure by way of a plastic tunnel.
  • Seeds germinate in brief even in cold soil and lightweight frost will not do any harm the seedlings.
  • Keep away from emerging radicchio all over the summer time. Warmth temperatures objective radicchio leaves to turn out to be bitter and smelly.
  • Radicchio matures in 75 to 110 days depending on the variety.

Radicchio Sowing and Planting Pointers

  • Radicchio can be grown from seeds or transplants.
  • The seed is viable for 5 years.
  • Get began indoors 12 to 8 weeks previous than the overall frost or sow; transplant maturing seedlings into the garden 2 weeks previous than the overall frost. Or direct-sow seed in late summer time for autumn or wintry climate harvest.
  • The optimal emerging air temperature for radicchio is 45°-65°F (7-18°C).
  • Sow seed ¼ inch (6 mm) deep.
  • Sow seeds 2 inches (5 cm) apart; later thin seedlings 8 to 10 inches (20-25 cm) apart. Be sure that there is good air motion spherical maturing vegetation to avoid sickness.
  • For in depth planting space plant 8 inches (20 cm) apart in a staggered construction.
  • Radicchio grows highest in whole sun on the other hand can tolerate delicate color.
  • Prefers a soil pH between 5.0 and 6.8.
  • Seed germinates in 5 to 7 days at or just about 60°F (7°C)—on the other hand every now and then seed can take up to 2 weeks to germinate if the soil is cold.
  • Keep the soil evenly rainy until seeds germinate then keep the soil rainy until seedlings are smartly established.
  • Add aged compost to planting beds in advance of sowing; compost will feed the soil and aide moisture retention.
  • Keep away from planting radicchio where endive and escarole have in recent years grown.
  • Make successive sowings each few weeks for an extended harvest.
  • Fertilize with an herbal fertilizer paying homage to fish emulsion at section power.
  • Aphids, flea beetle, leafhoppers, armyworms, snails, and slugs can attack radicchio.

Interplanting Radicchio

  • Interplant radicchio with lettuce.

Container Emerging Radicchio

  • Increase radicchio in a container at least 12 inches (30 cm) large and deep.
Radicchio in garden seed starting
Radicchio ready for harvest
  • 8 weeks previous than the overall frost in spring: direct-sow in a plastic tunnel or cold frame.
  • 8 weeks previous than the overall frost in spring: get began seed indoors for transplanting later.
  • 2 weeks previous than the overall frost in spring: direct sow inside the garden.

For Fall Harvest and Wintry climate Harvest:

  • 6-5 weeks previous than the principle frost in fall: direct-sow inside the garden for a fall crop.
  • 5-3 weeks previous than the principle frost in fall: direct-sow in a plastic tunnel or cold frame for wintry climate harvest.
  • ‘Rossa di Treviso’ and ‘Rossa de Verona’ are necessities.
  • ‘Giulio’ for spring crops.
  • ‘Augusto’ for fall and wintry climate crops.

Botanical Determine: Cichorium intybus

Radicchio belongs to the Compositae (Asteraceae) or sunflower family.

Moreover of interest:

Simple the best way to Increase Radicchio

Radicchio Serving Raw and Cooking

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