Brassicacées • Isatis tinctoria

Dyer's woad - Organic

"A discreet biennial with blue leaves, reminiscent of old dyers."

$4.49

Number of seeds

Dyer's woad , or Isatis tinctoria , has been used for centuries in the age-old art of plant dyeing. Long before the arrival of tropical indigo in Europe, its leaves provided the deep blue hue for fabrics, particularly in temperate regions. In a thriving garden, it first appears as a rosette of bluish-green leaves close to the ground, then, in its second year, it grows into a tall, branching stem adorned with small yellow flowers.

Planted in suitable soil, it forms a robust yet discreet presence. Its delicate flowering blends seamlessly into a kitchen garden or a quiet corner reserved for useful plants. Its cyclical nature perfectly illustrates the gardener's rooted approach: observing its rosette in the first year, nurturing its flowering in the second, and allowing a few seeds to ripen, thus continuing the connection with nature throughout the seasons.

  • Growing climate: Cool season
  • Sowing difficulty level: Medium
  • Care required: Occasional
  • Growth: Slow growth

Annotation:

Dyer's woad is primarily known for its traditional use as a dye plant. In various regions of Europe, its leaves were harvested, prepared, and then fermented to extract a blue dye used for textile dyeing. This practice left a lasting mark on the history of blue fabrics before the widespread use of other sources of indigo.
It is not primarily cultivated for culinary use, but remains a symbol of plant dyeing and artisanal know-how related to plants.

Dyer's woad - Organic

$4.49

$4.49

Conseils de semis écoumène

Type de semis

Semis intérieur - extérieur

Durée de germination

5-21 jours

Température de germination

15° à 24° celcius

Profondeur de semis

Semis à 5 mm de profondeur

Transplantation

Transplantation facile

Technique

Semis en ligne

Conditions de culture

Distance entre les plants

  • 40 cm

Distance entre les rangs

  • 90 cm

Zone de rusticité

Zone-3b

Luminosité optimale

Plante de soleil

Texture du sol

  • Sol léger (sableux)

Humidité du sol

  • Sol sec

Fertilité du sol

Plante peu exigeante en compost à dominance bactérienne

pH optimal du sol

  • pH peu alcalin

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