How to Grow Rubber rabbitbrush

Rubber rabbitbrush

Ericameria nauseosa

shrub

Rubber rabbitbrush is a hardy, deciduous to semi-evergreen shrub native to western North America, known for its bright yellow flower clusters that appear in late summer and fall. It's a drought-tolerant plant that thrives in arid and semi-arid regions, often dominating rangeland and desert scrub habitats. The plant produces aromatic foliage and was historically harvested as a source of natural rubber.

Growing Conditions

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Sun: Full sun, 6-8 hours daily; requires maximum light for optimal flowering

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Water: Very drought-tolerant once established; minimal supplemental watering needed; water deeply but infrequently; avoid overwatering which causes root rot

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Spacing: 36-60 inches

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Days to maturity: 2-3 years to reach mature flowering size

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Planting depth: Transplants should be planted at the same depth as their nursery container; seeds are surface-sown or lightly covered

Soil

Type: Well-draining sandy, gravelly, or loamy soil; tolerates poor soil

pH: 6.0-8.5

Amendments:

Gravel or sand for drainage improvement Minimal organic matter needed

Growing Zones

Find your zone →

Thrives in zones 3-10, especially adapted to zones 5-9 in arid regions

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a

Growth Stages

Seedling

4-8 weeks

Small, tender plants with fine, feathery foliage; very delicate and susceptible to damping off

Provide excellent drainage, minimal watering, and bright light; protect from excessive moisture and cold; germination can be slow and inconsistent

Establishment

6-12 months

Young shrub developing woody stems and establishing a root system; growth is initially slow

Water moderately during first growing season to encourage deep rooting; avoid heavy fertilization; provide good drainage; light pruning can encourage bushiness

Vegetative Growth

1-2 years

Shrub expanding in size with increasing branching; aromatic, narrow, linear leaves become more prominent

Minimal supplemental water needed in arid climates; no fertilization required; allow natural growth form; prune only to remove dead wood or shape if desired

Flowering & Fruiting

8-12 weeks of flowering

Dense clusters of bright yellow flowers appear on branch tips in late August through October; flowers are followed by small, hairy seeds with pappus for wind dispersal

Do not fertilize; allow natural senescence; deadheading is optional but maintains appearance; flowers attract pollinators

Dormancy

4-6 months (winter in cold zones)

Plant loses leaves or becomes semi-dormant; woody structure remains visible; seed heads may persist

No watering or fertilization needed; avoid pruning during dormancy; allow plant to rest; seeds can be collected for propagation

Companion Planting

Plan your garden →

Plant with:

Desert marigold Four o'clock Snakeweed Apache plume Saltbush Bitterbrush Native grasses (blue grama, sideoats grama)

Avoid planting near:

Plants requiring frequent watering (hydrangeas, ferns, hostas) Moisture-loving perennials (bee balm, liatris) Lawns requiring regular irrigation

Common Pests

Spray with water to dislodge; use insecticidal soap if severe; encourage natural predators like ladybugs
Increase humidity slightly; spray with water; use miticide if populations become severe; ensure good air circulation
Hand-pick if feasible; use row covers on young plants; baiting with bran-based products; usually not a major problem on mature plants
Prune out heavily infested branches; spray with horticultural oil in early spring; improve plant vigor through proper care

Uses

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Natural rubber source

Household

Historically, rubber rabbitbrush was harvested and processed as a source of natural rubber; the plant produces latex in its tissues that was investigated as a rubber substitute, particularly during World War II when Asian rubber supplies were limited. [source]

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Pollinator and wildlife habitat

Wildlife

The bright yellow fall flowers are highly attractive to bees, butterflies, and other pollinators, providing critical late-season nectar and pollen. The shrub also provides shelter and browse for desert wildlife. [source]

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Landscape restoration and erosion control

Household

Rubber rabbitbrush is widely used in rangeland restoration, reclamation of disturbed sites, and erosion control in arid and semi-arid regions due to its drought tolerance and deep root system. [source]

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Xeriscape and drought-tolerant landscaping

Household

An excellent choice for water-wise landscapes, native plant gardens, and desert gardening, requiring minimal supplemental irrigation once established. [source]

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Traditional herbal uses

Medicinal

Native peoples and early settlers used rubber rabbitbrush teas and preparations to treat respiratory ailments and digestive issues, though scientific validation of these uses is limited. [source]

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

Harvest Tips

Seeds can be collected in late fall after flowers have fully matured and turned brown; cut seed heads and allow them to dry completely indoors, then rub gently to extract seeds; store in cool, dry conditions. The aromatic foliage can be harvested year-round by cutting branches, though it is most pungent in late summer

Fun Facts

🌱 Rubber rabbitbrush was seriously investigated as a domestic rubber source during World War II when supplies from Southeast Asia were cut off; the plant can produce a rubber-like latex, though commercial production proved impractical
🌱 The plant's common name 'rabbitbrush' comes from its bushy growth form resembling rabbit ears, and it often dominates western rangelands where it can indicate overgrazing or degraded conditions
🌱 Rubber rabbitbrush has a strong, distinctive aromatic scent—some describe it as pungent or camphoraceous—that becomes more intense when plants are brushed or crushed

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