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Osborne Quality Seeds recommends purchasing only enough pelleted seed for your current growing season. Conventional pellets are not NOP compliant.

RESOURCE: RADICCHIO CHART

Chicory- Radicchio Growing Information
Cichorium intybus
Transplant: Start around summer solstice for most varieties, in trays at ¼” depth. Soil temperature for germination is 50-70° F. Some varieties are more adaptable to warm weather and can be seeded earlier. Transplant out 3-4 weeks from sowing date or when roots have good structure.
Spacing: 8-10” apart in rows 12-24” apart. Transplant so that soil level is even with the top of the plug.
Growth needs: Radicchio is day-length and temperature sensitive, so make sure to choose the right variety for your climate and time of sowing. Cool-season production is better, but some varieties are adapted to warmer temperatures if evenings are 60° F or lower. See our radicchio chart resource linked above for more information on slotting options.
Harvest: When heads are dense (for Chioggia, Castelfranco, and Treviso types) or well-formed and of desired size (Lusia and specialty types). Cut at base, above stem and peel back outer leaves for sales. All varieties are light-frost tolerant. Later maturing varieties are more tolerant of heavy frost.
Storage: Late-maturing varieties store longer than short-season varieties. Recommended to harvest for storage as soon as heads are mature. Plants will continue to grow if left in the field and can be subject to stem growth or splitting like cabbage, which reduces storability.

26 Items
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Verosa Untreated Radicchio Seeds
Starting at $9.30
Rosalba Untreated Radicchio Seeds
Starting at $8.70
Marinanta Untreated Radicchio Seeds
Starting at $9.30
Leonardo F1 Organic Radicchio Seeds
Starting at $13.35
Vasari F1 Organic Radicchio Seeds
Starting at $16.75
Baldo (T&T 306) Untreated Radicchio Seeds
Starting at $8.70
Giulietta Untreated Radicchio Seeds
Starting at $8.70
Galileo Untreated Radicchio Seeds
Starting at $8.77
Adige Medio Untreated Radicchio Seeds
Starting at $8.70
Nettuno Untreated Radicchio Seeds
Starting at $8.70
Bottiglione Untreated Radicchio Seeds
Starting at $8.70
Lucrezia Untreated Radicchio Seeds
Starting at $8.70
Spring Untreated Radicchio Seeds
Starting at $9.60
Rubro (B-2710) Organic Radicchio Seeds
Starting at $16.75
Brenta Medio Untreated Radicchio Seeds
Starting at $8.70
T&T 614 Untreated Radicchio Seeds
Starting at $9.60
Sile Precoce Untreated Radicchio Seeds
Starting at $8.70
Costarossa Untreated Radicchio Seeds
Starting at $9.30
Puntarelle Untreated Radicchio Seeds
Starting at $10.70
Fenice Untreated Radicchio Seeds
Starting at $8.70
Caravaggio F1 Untreated Radicchio Seeds
Starting at $7.90
Adige Precoce Untreated Radicchio Seeds
Starting at $7.50
TVG1 Untreated Radicchio Seeds
Starting at $9.60
Cologna Tardiva Untreated Radicchio Seeds
Starting at $8.25
Radicchio - Verona Costarossa Untreated Seeds w/ Conventional Pellet
Starting at $10.30
Sile Tardivo Untreated Radicchio Seeds
Starting at $8.70
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