Woad seeds - Isatis tinctoria - Naturalised Wildflower / Dye plant

Type: Biennial
Approximate height: Up to 1.2 metres
Flowering Time: Late spring to early summer
Site and soil type: Prefers moist but well-drained soil in sun
When to sow: Late spring to early autumn
Where to sow: Outside, direct into soil or under cover, modules or pots.
Packet contents: Approximately 50 seeds / 0.25 g

Woad is an upright tall plant with long bluish green leaves, yellow flowers in early summer that are popular with bees followed by dark brown seeds. The leaves produce the famous blue dye.

Being a biennial plant, the first year it produces leaves with flower bearing stems appearing in the second year. For plants in following years, leave the plant to self-seed.

WARNING: Poisonous when taken internally. Keep out of the reach of children and pets.

Woad attracts / provides food for the following creatures:

  • Bees and other pollinators
  • An "RHS Plants for Pollinators" plant **

All our seed packets include sowing instructions.

Jemima’s Garden seeds are plastic free and reyclable. They’re contained in an inner glassine envelope, (made from pine wood cellulose), and an outer Kraft paper seed packet. Any shipping packaging is also plastic free and recyclable.

Key to symbols:

πŸ› A food plant for the caterpillar

πŸ¦‹ Provides nectar for the adult moth or butterfly

πŸ¦‡ Listed in: Bat Conservation Trust Encouraging bats, A guide for bat-friendly gardening and living

πŸ¦‡ (RHS)  Listed in the RHS Plants for Bats list

** RHS Plants for Pollinators. The RHS Plants for Pollinators mark is only given to plants that support pollinating insects. Find out more at rhs.org.uk/plantsforpollinators

** The Royal Horticultural Society, and its logo, are trade marks of The Royal Horticultural Society (Registered Charity No 222879/SC038262) and used under licence.