shrubN. America Native

Big Sagebrush

The Story

Plant Bio

Artemisia tridentata, the big sagebrush, is an evergreen, aromatic woody shrub native to the arid interior of western North America. It develops a gnarled, rigid framework with a single short trunk or basal branching, supporting a rounded to spreading crown of silvery-gray foliage.

This species is distinguished by its wedge-shaped leaves that terminate in three distinct apical teeth and emit a pungent, resinous aroma when bruised. The small, yellow to yellowish-green flowers are held in dense, narrow terminal clusters from summer into fall.

Uses & Benefits:

Provides striking year-round structural interest with its gnarled, woody framework and velvety, silver-gray foliage.

Highly effective for erosion control on dry, sandy slopes and requires zero supplemental irrigation once established.

Acts as a critical keystone species, providing essential winter browse and cover for native wildlife and nesting songbirds.

Essentials

At a Glance

Plant Type

Shrub

Height

108"

Width

79"

Light

Full Sun

Zones

4, 5, 6, 7, 8, 9

Water

Low

Humidity

Low

Lifespan

Long-lived

Native To

North America

Toxicity

Non-toxic

Bloom period

Summer – Fall

In flower about 6 months of the year

Planting

How to Grow

Select a planting site in full sun with exceptional, sharp drainage, such as a gravelly slope or sandy bed.
Dig a hole twice as wide as the root ball but of equal depth to keep the crown level with the surrounding soil.
Backfill with native soil without adding compost, organic matter, or fertilizers, which promote weak growth and rot.
Water deeply immediately after planting to settle the soil, then water sparingly only during the first dry summer.

Pro Tip

Never prune back into old, leafless wood, as this species lacks latent buds on older stems and will fail to regenerate. Plant in poor, coarse soil and withhold summer irrigation entirely once established to prevent fatal root rot.

Keep It Thriving

Care Guide

Do

Plant in poor, coarse, well-draining soils.
Provide full sun exposure to maintain dense foliage and silver coloration.
Prune lightly after flowering, limiting cuts to active, leafy stems.

Don't

Do not apply organic mulch or compost around the base of the plant.
Do not water established plants during the summer months.
Do not cut back into old, leafless brown wood.

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Pest Check
Propagate
Prune
Winter Prep

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

XeriscapingErosion ControlNative RestorationHedgeWindbreak

Companion Plants

Purshia tridentata Achillea millefolium Bouteloua gracilis Penstemon palmeri

Multiply

Propagation Methods

Good to Know

Common Questions

Big Sagebrush questions

What zones can Big Sagebrush grow in?

Big Sagebrush is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Big Sagebrush deer resistant?

Yes — Big Sagebrush is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Big Sagebrush bloom?

Big Sagebrush typically blooms in summer through fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Big Sagebrush need full sun?

Big Sagebrush does best in full sun (6+ hours).

Is Big Sagebrush drought tolerant?

Yes — once established (usually after the first full season), Big Sagebrush handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.