How to Grow Broom Snakeweed

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Broom Snakeweed

Gutierrezia sarothrae

shrub

Broom snakeweed is a low-growing, woody shrub native to arid and semi-arid regions of western North America. It produces small, bright yellow flowers and is known for its fine, branching foliage that resembles a broom. The plant is drought-tolerant and often considered a range weed, though it has historical medicinal uses.

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Example Broom Snakeweed timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Broom Snakeweed

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Broom Snakeweed

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Broom Snakeweed dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6+ hours daily; prefers bright, open conditions
💧
Water: Very drought-tolerant once established; minimal supplemental watering needed. Water moderately during establishment (first growing season), then rely on natural rainfall. Avoid overwatering, which promotes disease.
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Spacing: 24 inches
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Days to maturity: 180-365 (perennial; full growth and flowering in 2-3 years)
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Planting depth: 0.25

Soil

Type: Well-draining sandy or loamy soil, tolerates poor and rocky soils
pH: 5.5-7.5
Amendments:
Minimal amendments needed Avoid excessive compost or fertilizer Gravel or coarse sand for drainage

Growing Zones

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Thrives in zones 4-9, particularly suited to arid and semi-arid climates of the Great Plains and Southwest

4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b

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Growth Stages

1

Seedling

4-8 weeks

Tiny green shoots emerge with fine, delicate foliage characteristic of the species.

Keep soil lightly moist but not waterlogged. Provide bright light. Thin seedlings to desired spacing early. Very slow to establish.

2

Vegetative Growth

1-2 years

Plant develops branching woody stems and increasingly fine, feathery foliage. Resembles a small, delicate broom.

Minimal watering after first season. No fertilizer needed. Tolerates poor soil. Prune lightly to maintain shape if desired.

3

Flowering

8-12 weeks

Dense clusters of small bright yellow flowers appear at branch tips, typically late summer to fall.

Deadhead spent flowers to encourage more blooms if desired, though plant will self-seed. No supplemental feeding needed.

4

Seed Production & Maturity

Ongoing after year 2

Flowers fade, followed by small dry seed heads. Plant becomes fully woody and established.

Allow some flowers to go to seed for natural regeneration or wildlife. Cut back old wood in late winter if needed for rejuvenation.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Plants requiring frequent watering Plants preferring rich, amended soils Shade-loving species

Common Pests

  • Spray with water to dislodge; insecticidal soap if populations are severe. Generally not a major issue.

  • and

    Natural control by predators usually sufficient. Neem oil or insecticidal soap for heavy infestations.

Uses

💊

Traditional antimicrobial remedy

Medicinal

Native American and traditional herbalists used broom snakeweed as a tea or decoction to treat various ailments, particularly respiratory and digestive issues. The plant contains compounds believed to have antimicrobial properties. [source]

🦋

Pollinators and seed food source

Wildlife

The bright yellow flowers attract bees and other pollinators in late summer when other food sources are scarce. The seeds provide forage for birds and small mammals on rangelands. [source]

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Rangeland and erosion management

Household

While often considered a rangeland weed, broom snakeweed is actually drought-tolerant and can help stabilize disturbed soils and prevent erosion in arid regions when managed appropriately. [source]

🍳

Herbal tea preparation

Culinary

Dried stems and leaves can be brewed into a mild herbal tea with a slightly bitter, herbal flavor. Often combined with other medicinal herbs in southwestern herbal traditions. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Harvest aerial parts (stems and leaves) for medicinal use in late summer to early fall when flowering begins, just before seeds mature. Cut stems close to the base. Dry thoroughly for tea or herbal preparations. Harvest sustainably, taking only 1/3 of the plant to allow regeneration.

Fun Facts

  • 🌱 The name 'snakeweed' comes from historical folklore claims that it could treat snakebites, though this use is not scientifically validated.
  • 🌱 Broom snakeweed can survive in areas receiving as little as 8-12 inches of annual precipitation and is a dominant plant in many shortgrass prairie and desert ecosystems.
  • 🌱 The plant accumulates high levels of minerals and was historically suspected of causing livestock poisoning, though current research suggests this is rare under normal grazing conditions.

Gardening Terms

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