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Woad

Isatis tinctoria, Brassicaceae

Zones
3–8
Layer
Herbaceous
Lifespan
Biennial
Growth
Fast

Guild Roles

ProducerPollinator Attractor

Growing Conditions

Sun

Full Sun (optimal)

Water

Moderate

Soil pH

6 – 8

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

BugleweedAjuga reptans
Beneficial Insect HabitatPest Deterrent
Blue Sea HollyEryngium planum
Pollinator SharingBeneficial Insect Habitat
Love-in-a-MistNigella damascena
Beneficial Insect HabitatPollinator Sharing

Antagonistic Plants

SafflowerCarthamus tinctorius

Both brassica family members may have allelopathic compounds affecting each other

Uses

Functions

Dye

Common Questions

What zones does Woad grow in?

Woad grows in USDA hardiness zones 3 through 8.

What are good companion plants for Woad?

Good companions for Woad include Bugleweed, Blue Sea Holly, Love-in-a-Mist.

Design guilds with Woad and see companion relationships visually.

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