Porthos
The variety Porthos is a bolt-resistant celeriac suited to all growing periods, from early cultivation under fleece through to the normal May/June planting for storage. Specially resistant to Septoria. Tubers are round and smooth with a light coloured skin. Bulbs are set medium high with concentrated root base for ease of harvest. Leaves strong and upright. Powerful, aromatic celery flavour. Check availability of pelleted form (primed) online.
Sowing calendar
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Sowing for planting |
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Planting outside |
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Harvest |
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Cultivation
Seed germination temperature: ca. 20 °C Note: Keeping seedlings warm enough will prevent bolting
bred by

Friedemann Ebner
Current breeding location: Rheinau, Switzerland
Biodynamically bred varieties from Friedemann Ebner:
sweet corn Damaun and Tramunt, carrot Dolciva, kohlrabi Enrico, knob celery Athos and Porthos

increasingly from

Betriebsgemeinschaft Gärtnerei Röllingsen
The biodynamic Röllingsen farm is located in Soester Börder, North Rhine-Westphalia, Germany.

Gärtnerei Spiren / Per Andersen
Gartneriet Spiren is a third-generation family business specialising in seed propagation and is managed by Per Anderssen in Skaelskor, Denmark.