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Japanese Indigo

Persicaria tinctoria, Polygonaceae

Zones
5–10
Lifespan
Annual
Growth
Fast

Growing Conditions

Sun

Full Sun (optimal)

Water

Moderate

Soil pH

5.5 – 7

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Zulu BambooThamnocalamus tessellatus
Shade ProvisionBeneficial Insect Habitat

Antagonistic Plants

Black SesameSesamum indicum var. nigrum

Japanese indigo contains indican and other compounds that can inhibit oil crop germination and growth

Common Questions

What zones does Japanese Indigo grow in?

Japanese Indigo grows in USDA hardiness zones 5 through 10.

What are good companion plants for Japanese Indigo?

Good companions for Japanese Indigo include Zulu Bamboo.

Design guilds with Japanese Indigo and see companion relationships visually.

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