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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.
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Seed germination temperature: ca. 20 °C
Note: Keeping seedlings warm enough will prevent bolting
Planting distance: ca. 40 x 40 cmOptimal amount of plants: 6-7 plants/m²Sowing depth: Germinates in light, lightly covered.Note: All celery seed is tested for seed borne disease before it can be sold. If any trace of Septoria is discovered the seeds are given a warm water treatment to kill of the spores.
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
The biodynamic Röllingsen farm is located in Soester Börder, North Rhine-Westphalia, Germany.
Gartneriet Spiren is a third-generation family business specialising in seed propagation and is managed by Per Anderssen in Skaelskor, Denmark.
Organic100 % organic & GMO-free
Diverse100 % open-pollinated seeds
ReliableHigh quality & customer satisfaction
Free shippingSeeds from €45 within Germany Organic100 % GMO-free
FairCollaborative network with breeding and propagation DynamicDiversity of 100 % open-pollinated varieties