Australian Indigo

Indigofera australis, Fabaceae

Zones

8–10

Layer

Shrub

Lifespan

Perennial

Growth

Moderate

Guild Roles

Nitrogen FixerBeneficial Insect HabitatPollinator Attractor

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Low (established)Moderate (seedling)

Soil pH

6 – 8.5

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Desert KurrajongBrachychiton gregorii

Nitrogen FixationNurse Plant

Smooth RattleboxCrotalaria pallida

Pest DeterrentNitrogen FixationBeneficial Insect Habitat

Moss RosePortulaca grandiflora

Nitrogen FixationBeneficial Insect Habitat

Fairy DusterCalliandra eriophylla

Nitrogen FixationPollinator Sharing

Crown FlowerCalotropis gigantea

Beneficial Insect HabitatPollinator SharingNurse Plant

MaygrassPhalaris caroliniana

Nitrogen FixationBeneficial Insect Habitat

Antagonistic Plants

White HoarypeaTephrosia candida

Both produce natural pesticide compounds that may provide mutual protection from pests

Kirilow's IndigoIndigofera kirilowii

Congeneric Indigofera species compete for specific rhizobia strains and soil resources

Uses

Functions

Nitrogen FixationNatural Dye ProductionSoil Improvement

Common Questions

What zones does Australian Indigo grow in?

Australian Indigo grows in USDA hardiness zones 8 through 10.

Is Australian Indigo a nitrogen fixer?

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

What are good companion plants for Australian Indigo?

Good companions for Australian Indigo include Desert Kurrajong, Smooth Rattlebox, Moss Rose, Fairy Duster, Crown Flower.

Design guilds with Australian Indigo and see companion relationships visually.

Try PatternBase free