Costus Root

Saussurea costus, Asteraceae

Zones

4–8

Layer

Herbaceous

Lifespan

Perennial

Growth

Slow

Guild Roles

Dynamic AccumulatorPollinator Attractor

Growing Conditions

Sun

Partial Shade (preferred)Full Sun (tolerated)

Water

Moderate (established)High (seedling)

Soil pH

6.5 – 8

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Clustered GentianGentiana triflora

Wind ProtectionBeneficial Insect Habitat

Purple GentianGentiana purpurea

Wind ProtectionBeneficial Insect Habitat

KutkiPicrorhiza kurroa

Wind ProtectionNurse Plant

Antagonistic Plants

Himalayan FritillaryFritillaria cirrhosa

Both are high-altitude plants that compete for limited nutrients in alpine soils, with costus root having more aggressive root systems than Himalayan fritillary.

Uses

Functions

High-Value MedicinalAromatic CompoundTraditional Medicine

Edible Parts

Roots

Medicinal Uses

Digestive TonicRespiratory SupportAnti-InflammatoryLiver SupportAyurvedic Rasayana

Common Questions

What zones does Costus Root grow in?

Costus Root grows in USDA hardiness zones 4 through 8.

What are good companion plants for Costus Root?

Good companions for Costus Root include Clustered Gentian, Purple Gentian, Kutki.

Design guilds with Costus Root and see companion relationships visually.

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