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Blue False Indigo

Baptisia australis, Fabaceae

Zones
3a–9b
Layer
Herbaceous
Lifespan
Perennial
Growth
Slow

Guild Roles

Pollinator AttractorNitrogen Fixer

Growing Conditions

Sun

Full Sun (optimal)Partial Sun (acceptable)

Water

LowLowLow

Soil pH

5.5 – 7.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

CornZea mays
Nitrogen Fixation
Black WalnutJuglans nigra
Nitrogen Fixation
JostaberryRibes x nidigrolaria
Nitrogen FixationPollinator Sharing
Golden RaspberryRubus idaeus var. aureus
Nitrogen FixationPest Deterrent

Antagonistic Plants

Curly ParsleyPetroselinum crispum

Blue false indigo produces alkaloids that may inhibit growth of herbs like parsley

Uses

Functions

Nitrogen FixationPollinator SupportDye

Common Questions

What zones does Blue False Indigo grow in?

Blue False Indigo grows in USDA hardiness zones 3a through 9b.

Is Blue False Indigo a nitrogen fixer?

Yes, Blue False Indigo is a nitrogen fixer and can help provide nitrogen to neighboring plants in a guild or polyculture.

What are good companion plants for Blue False Indigo?

Good companions for Blue False Indigo include Corn, Black Walnut, Jostaberry, Golden Raspberry.

Design guilds with Blue False Indigo and see companion relationships visually.

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