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

écoumene seeding advice

Seeding type

Indoor and outdoor seeding

Germination time

5-21 jours

Germination temperature

15° to 24° Celsius

Sowing depth

Sowing at a depth of 5 mm

Transplantation

Easy transplantation

Technical

Row sowing

Growing conditions

Hardiness zone

Zone-3b

Distance between plants

40 cm

Distance between rows

90 cm

Optimal brightness

Sun plant

Soil texture

Light (sandy) soil

Soil moisture

Dry soil

Soil fertility

Plant not very demanding in bacteria-dominant compost

optimal soil pH

Slightly alkaline pH

Average plant height

100 cm

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