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How to Grow Emu Bush

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Emu Bush

Eremophila glabra subsp. glabra

shrub

Emu Bush is a hardy Australian native shrub known for its vibrant tubular flowers in shades of red, orange, yellow, pink, or purple that bloom prolifically in spring and summer. This drought-tolerant evergreen shrub is valued for its ability to thrive in arid and semi-arid conditions with minimal maintenance. It is popular in xeriscaping and native plant gardens, particularly in warm, dry climates.

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Example Emu Bush timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Emu Bush

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Emu Bush

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

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

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily; tolerates intense heat
💧
Water: Drought-tolerant once established; water deeply but infrequently. Allow soil to dry between waterings. Reduce watering in winter. Overwatering is the primary cause of failure.
📏
Spacing: 36 inches
📅
Days to maturity: 18-24 months to mature flowering shrub
🌱
Planting depth: Same depth as root ball; do not plant deeper

Soil

Type: Well-draining sandy or gravelly loam
pH: 6.0-7.5
Amendments:
Coarse sand Perlite Gravel mulch to improve drainage

Growing Zones

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Thrives in zones 9b-11; tolerates heat and aridity exceptionally well

9b 10a 10b 11a 11b

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Growth Stages

1

Establishment

3-6 months

Young shrub with developing root system, typically 6-12 inches tall with sparse foliage

Water regularly but allow soil to dry between waterings. Protect from frost if in marginal zones. Avoid fertilizing initially.

2

Vegetative Growth

6-12 months

Shrub develops woody stems and dense, fine foliage, reaching 2-4 feet tall

Minimal supplemental water once established. Prune lightly to encourage bushier growth. Do not overwater.

3

Pre-flowering

4-6 weeks

Branch tips begin developing flower buds in late winter to early spring

Reduce watering slightly. Apply light pruning after flowering to shape plant. No deadheading necessary unless spent flowers are objectionable.

4

Flowering

6-12 weeks (spring-summer, may rebloom if conditions are favorable)

Profuse tubular flowers appear along stems in vibrant colors; flowers attract hummingbirds, honeyeaters, and native birds

Maintain dry conditions; avoid overhead watering. Do not fertilize during flowering. Light pruning can extend bloom period.

5

Mature

Ongoing (15+ years)

Fully established woody shrub 3-5 feet tall and wide with year-round fine foliage and seasonal flower displays

Water only during drought. Minimal pruning needed. No fertilizer required. Very low maintenance.

Companion Planting

Plan your garden →

Plant with:

Salvia Lantana Desert Rose Grevillea Leptospermum Kangaroo Paw Westringia

Avoid planting near:

Water-loving plants (Hydrangea, Azalea, Moisture-loving ferns) Heavy feeders in rich soil environments

Common Pests

  • Prevent through excellent drainage and avoiding overwatering; no cure once established; remove infected plants

  • Rare in arid conditions; manage with water spray or neem oil if present

  • Treat with horticultural oil or insecticidal soap; prune heavily infested branches

Uses

🦋

Native Bird & Pollinator Magnet

Wildlife

The tubular flowers are specifically adapted to and attract native Australian honeyeaters, hummingbirds, and other nectar-feeding birds. This shrub provides essential food sources in arid landscapes with limited floral resources. [source]

🏠

Drought-Tolerant Xeriscaping

Household

Eremophila glabra is ideal for water-conserving landscape designs in arid and semi-arid regions. It reduces irrigation demands while providing year-round structure and seasonal color. [source]

🎨

Cut Flower Arrangements

Craft

The vibrant tubular flowers are attractive in fresh or dried arrangements and add striking color to floral displays. Cut stems last 7-10 days in water. [source]

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Ornamental Landscape Screening

Household

With its dense, fine foliage and typical mature height of 3-5 feet, Emu Bush works well as a semi-formal hedge or privacy screen in hot, dry climates where traditional hedging plants fail. [source]

Harvest Tips

Eremophila glabra is an ornamental shrub not harvested for culinary or medicinal purposes. Cut flowers last reasonably well in arrangements. Trim spent flower clusters after blooming to tidy appearance and potentially encourage secondary flowering.

Fun Facts

  • 🌱 The common name 'Emu Bush' derives from emus in Australia, which historically consumed the fruit and seeds of Eremophila species, dispersing them across arid landscapes.
  • 🌱 Eremophila species are endemic to Australia and are part of the traditional lands of Indigenous Australians who used some species for medicinal purposes and food sources.
  • 🌱 The genus name Eremophila comes from Greek words meaning 'desert-loving' (eremos = desert, phila = loving), perfectly describing its habitat preference and extraordinary drought tolerance.

Gardening Terms

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

Deadhead Full Sun Native Plant pH
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