← Plant Guides

How to Grow Tarbush

Tarbush

Flourensia cernua

shrub

Tarbush is a hardy, semi-woody shrub native to the Chihuahuan Desert and southwestern United States. It is drought-tolerant and produces small yellow flowers, known for its aromatic, resinous foliage that emits a tarry scent when brushed. This plant is valuable for xeriscaping and wildlife habitat in arid regions.

When should you plant Tarbush in your zone?

Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.

Get my Tarbush timeline →

Example Tarbush timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Tarbush

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Tarbush

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

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

Growing Conditions

☀️
Sun: Full sun, 8+ hours daily
💧
Water: Very drought-tolerant once established; minimal watering needed. Water occasionally during establishment (first year), then rarely. Avoid overwatering.
📏
Spacing: 36 inches
📅
Days to maturity: Mature size reached in 3-5 years; blooms within first 2 years
🌱
Planting depth: Transplant at same depth as nursery container; seeds surface-sown or lightly pressed into soil

Soil

Type: Well-draining sandy or gravelly soil, tolerates poor, infertile soils
pH: 6.5-8.0
Amendments:
Gravel or sand to improve drainage Minimal organic matter needed

Growing Zones

Find your zone →

Thrives in zones 8-10; best suited to hot, dry climates

8a 8b 9a 9b 10a 10b

Sign up free to see if Tarbush grows in your zone — and get a personalized planting timeline.

Get my Tarbush timeline →

Growth Stages

1

Seedling

3-4 weeks

Tiny seedlings emerge with cotyledons; slow growth in early weeks

Keep soil lightly moist until true leaves appear; avoid excessive watering. Provide bright light. Thin seedlings to prevent crowding.

2

Establishment

6-12 months

Young plant develops deep root system and foliage; slow to moderate growth

Water occasionally during first year to aid root development. Provide full sun. Minimal fertilizer needed; avoid high-nitrogen applications.

3

Vegetative Growth

1-4 years

Plant develops woody stems and aromatic foliage; becomes increasingly drought-tolerant

Minimal maintenance once established. No supplemental water needed in most arid climates. Prune lightly to maintain shape if desired.

4

Flowering

2-3 months (spring-summer)

Small yellow flowers appear in clusters; typically begins in spring to early summer

Flowering occurs with mature plants; no special care needed. Flowers attract pollinators and wildlife.

5

Mature

Indefinite; can live 20+ years

Fully established shrub, 3-6 feet tall and wide; dense, resinous foliage; regular flowering

Essentially maintenance-free in suitable climates. Extremely drought-tolerant. Minimal pruning or supplemental care needed.

Companion Planting

Plan your garden →

Plant with:

Desert marigold Creosote bush Acacia Yucca Desert willow Sotol Desert broom

Avoid planting near:

Water-loving plants Plants requiring frequent irrigation Shade-casting trees that compete for resources

Common Pests

  • Generally not problematic; occasional misting can deter in nursery settings. Rarely requires treatment on established plants.

  • Rare on healthy plants; prune affected branches if needed. Horticultural oil in severe cases.

Uses

🏠

Aromatic resin and scent

Household

The foliage emits a distinctive tarry, resinous scent when brushed or crushed, making it useful as a natural air freshener or fragrant plant for xeriscape gardens. [source]

💊

Traditional herbal remedy

Medicinal

Indigenous peoples and traditional healers in the Southwest have used tarbush foliage as a medicinal tea for digestive and respiratory purposes, though scientific validation is limited. [source]

🦋

Wildlife habitat and forage

Wildlife

Tarbush provides food and shelter for desert wildlife, including birds, insects, and small mammals. The flowers are important nectar sources for pollinators. [source]

🎨

Xeriscaping and landscape design

Craft

Ideal for water-wise garden design in arid regions; provides year-round foliage texture and seasonal color with minimal maintenance or resource input. [source]

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

Harvest Tips

Tarbush is not harvested for food or fiber commercially. Foliage can be collected fresh for aromatic/medicinal purposes by pinching or cutting stems; best harvested in morning after dew dries. Use fresh or dry foliage for teas or aromatics.

Fun Facts

  • 🌱 The name 'tarbush' comes from the tarry, resinous scent of the foliage, which intensifies when the plant is stressed or touched.
  • 🌱 Tarbush is highly specialized for desert survival and can thrive on as little as 8-10 inches of annual rainfall, making it one of the most drought-tolerant shrubs in North America.
  • 🌱 Indigenous peoples of the American Southwest have used tarbush for centuries in traditional medicine and as an aromatic plant, and it remains culturally significant in desert regions.

Gardening Terms

New to gardening? Learn about terms used in this guide:

Full Sun True Leaves
Shop Tarbush plants and related plants at Plant Addicts →

Join 30,000 gardeners planning their gardens with LizPlants.

Get your personalized Tarbush planting timeline

Tell us your zip code and we'll calculate exactly when to start Tarbush seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.

Get my Tarbush timeline →