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.

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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