Big Sagebrush (Artemisia tridentata)

Big Sagebrush

Artemisia tridentata

Silvery-gray foliage carries desert resilience, a symbol of arid western landscapes. Evergreen aromatic shrub; common name: big sagebrush.

Full sun
0–1/week
Beginner
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Plant Needs

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Sunlight Requires full sun exposure; tolerates intense desert sunlight and high UV levels
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Watering Extremely drought-tolerant; water only during extended multi-week dry spells to avoid root rot
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Temperature Hardy to cold desert winters; withstands high summer heat in arid, low-humidity regions
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Characteristics

  • Leaf: Silvery-gray, wedge-shaped, three-toothed at tips; aromatic when crushed
  • Flower: Small, yellowish-green, clustered in dense terminal spikes
  • Stem: Woody, branching, covered in fine silvery hairs
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Care Guide

Watering

Minimal supplemental watering only if soil is completely dry for 2+ weeks

Fertilization

No regular fertilization required. Tolerates nutrient-poor soils; over-fertilization can disrupt natural growth habits

Composted banana peel tea:Dilute 1:40 with water; apply only once in early spring to avoid nutrient burn in low-nutrient adapted plants
Pruning
  • Prune dead or damaged branches in early spring to maintain a tidy rounded form
  • Thin overcrowded inner growth to improve airflow and reduce pest risk
  • Avoid heavy pruning, as the shrub has a slow regrowth rate for woody stems
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no adverse effects reported

Humans: No known toxic effects to humans; foliage has mild aromatic properties

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Garden Uses & Culture

Culture: Symbolizes western North American wilderness; used in Indigenous traditional medicine and ceremonies

Usage: Ornamental xeriscaping, wildlife habitat for native pollinators and small mammals