Agonis Flexuosa 'Burgundy'

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

• Mature Size: 4-6 m H x 2-4 m W
• Growth Rate: 20-40 cm per year under good conditions
• Foliage: Evergreen; green leaves flushed burgundy, especially on new growth and in cooler months
• Flowers: Small white clusters in spring–early summer
  
• Seasonal Interest: Year-round structure with colourful new growth and spring bloom
• Wildlife Value: Nectar for pollinators; shelter for small birds
• Tolerance: Drought and coastal tolerant once established; heat and wind tolerant; light frost only
• Planting Density: Shrub borders/hedge: 1 per metre (dense) or 1 per 1.5 m for a looser look; up to 2 m apart
• Pet Friendly: Non-toxic / pet-friendly (essential oils may cause mild tummy upset if chewed—discourage ingestion)

Where It Works Best

• Sunlight: Full sun to part shade
• Soil: Well-drained loam, sandy loam or free-draining clay loam
• 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.
• Maintenance: Mulch in spring; light prune after flowering or late winter to shape; fertilise in early spring
• Lifespan: 15-25+ years
• Climate Zones: Temperate & Mediterranean SA, incl. coastal areas
• 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.