Burgundy Willow Myrtle / Burgundy Weeping Peppermint / WA Peppermint
Botanical Name: Agonis flexuosa 'Burgundy'
Family: Myrtaceae
Origin: Western Australia
Plant Type: Evergreen shrub (compact, weeping habit)
Overview
Agonis flexuosa ‘Burgundy’ is a graceful, compact peppermint tree selection with arching, weeping stems and burgundy-tinged new growth (tints deepen in cooler weather). The aromatic foliage releases a peppermint scent when brushed or crushed. Small white flowers appear in spring–early summer, attracting pollinators. Ideal for hedging, borders or a feature in SA gardens; thrives in full sun to part shade and well-drained soil, including coastal sites.
Key Features
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Mature Size: 1.5-3 m H x 1-2 m W
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Growth Rate: 20-40 cm per year under good conditions
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Foliage: Evergreen; green leaves flushed burgundy, especially on new growth and in cooler months
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Flowers: Small white clusters in spring–early summer
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Seasonal Interest: Year-round structure with colourful new growth and spring bloom
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Wildlife Value: Nectar for pollinators; shelter for small birds
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Tolerance: Drought and coastal tolerant once established; heat and wind tolerant; light frost only
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Planting Density: Shrub borders/hedge: 1 per metre (dense) or 1 per 1.5 m for a looser look; up to 2 m apart
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Pet Friendly: Non-toxic / pet-friendly (essential oils may cause mild tummy upset if chewed—discourage ingestion)
Where It Works Best
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Sunlight: Full sun to part shade
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Soil: Well-drained loam, sandy loam or free-draining clay loam
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Water Needs: Establishment: 2 deep soaks/week for 8–12 weeks. Established: deep soak every 10–14 days in summer (weekly in heatwaves); monthly in winter if dry.
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Maintenance: Mulch in spring; light prune after flowering or late winter to shape; fertilise in early spring
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Lifespan: 15-25+ years
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Climate Zones: Temperate & Mediterranean SA, incl. coastal areas
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Soil pH: Neutral (adaptable: slightly acidic–slightly alkaline)
Landscape & Design Ideas
- Privacy hedge/screen (informal)
- Mass plant for cohesive, low-maintenance structure
- Feature near entries, paths and outdoor living
- Suits large pots (regular trim to maintain size)
Why You Will Love It
Fast-growing, peppermint-scented foliage with rich burgundy tints and a graceful weeping form—coastal-tough, low-maintenance structure and seasonal interest for modern SA gardens.
