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Agonis flexuosa Willow Myrtle Peppermint Tree

Agonis flexuosa Willow Myrtle Peppermint Tree

Most loved for its graceful weeping branches, aromatic peppermint-scented leaves, and clusters of small white flowers in spring.

Regular price $170.00
Sale price $170.00 Regular price
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Pot size
Available batches
Size: 30cm
Current height guide
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Pot size
30cm

Approximate only. Minimum height important? Confirm with us.

Height guide & disclaimer

Height guide disclaimer: Height ranges are approximate only. As living products, plant heights naturally vary between individual plants, batches, and seasons. No guarantee is given that supplied plants will fall within the stated range. If minimum heights are required, you must confirm current batch heights with Evergreen Trees Direct prior to purchase. Variation in height is normal and is not grounds for return, refund, replacement, or compensation.

Quantity

Order multiple sizes

Mix pot sizes and batches in one order.

Size / batchEachQuantity
30cmApprox. height: Approx. 1.1m – 1.3m$170.00
40cm/45LApprox. height: Approx. 1.6m – 1.9m$280.00
100LApprox. height: Enquire for current heights$700.00

Height guide & disclaimer

Height guide disclaimer: Height ranges are approximate only. As living products, plant heights naturally vary between individual plants, batches, and seasons. No guarantee is given that supplied plants will fall within the stated range. If minimum heights are required, you must confirm current batch heights with Evergreen Trees Direct prior to purchase. Variation in height is normal and is not grounds for return, refund, replacement, or compensation.

Subtotal before discounts & delivery$0.00

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    About Agonis flexuosa

    Agonis flexuosa, the Willow Myrtle or Peppermint Tree, is a graceful evergreen Australian native grown for its weeping canopy of narrow aromatic foliage that releases a distinct peppermint scent when crushed. It delivers effective shade and screening with timeless elegance.

    Willow Myrtle grows to 8-15 metres tall and 4-6 metres wide with a soft weeping habit. The scale and coverage suit coastal, urban, and rural landscapes, working well as a feature tree, informal screen, windbreak, or street tree. White flowers appear along the branches in spring, attracting birds and pollinators.

    Willow Myrtle is highly drought tolerant once established and excels in exposed coastal conditions, handling salt-laden winds and sandy soils with ease. It performs best in full sun to part shade across WA, SA, VIC, NSW and southern QLD, tolerating light frost once established.

    Green species or Burgundy cultivar? This is the green-leaved Agonis flexuosa species, a larger tree at 8-15m suited to shade, screening, and street use. For a more compact garden feature with rich burgundy-purple foliage, see Agonis flexuosa 'Burgundy', which grows to 5-7m.

    Frequently Asked Questions

    About Agonis flexuosa Willow Myrtle Peppermint Tree

    How tall does Willow Myrtle grow?

    Agonis flexuosa grows to 8-15 metres tall and 4-6 metres wide with a graceful weeping form.

    How fast does Willow Myrtle grow?

    Willow Myrtle is moderately fast-growing, adding 40-60cm per year once established.

    Why is it called Peppermint Tree?

    The narrow green leaves release a distinct peppermint aroma when crushed, which gives Agonis flexuosa its common name of Peppermint Tree.

    Is Willow Myrtle an Australian native?

    Yes. Agonis flexuosa is native to south-western Western Australia, where it is a common coastal and woodland tree.

    Is Willow Myrtle drought and coastal tolerant?

    Yes. Willow Myrtle is highly drought tolerant once established and handles coastal exposure including salt spray and sandy soils, making it a reliable coastal feature and street tree.

    When does Willow Myrtle flower?

    Willow Myrtle produces small white flowers along its branches in spring, adding a soft seasonal display to the weeping green foliage.

    How far apart should I plant Willow Myrtle?

    Plant 3-4 metres apart for a feature row or informal screen, or 5-6 metres for individual canopy spread.

    Foliage

    Evergreen (foliage year round)

    Position
    • Full Sun
    Form
    • Weeping
    • Rounded
    • Broad
    Use
    • Shade Tree
    • Feature Tree
    • Screening or Privacy
    • Rural Property Planting
    • Council or Civic Landscapes
    • Revegetation or Regeneration
    Mature height
    8m to 15m
    Mature width
    4m to 8m

    Planting Information

    How To Plant Your Agonis flexuosa Willow Myrtle Peppermint Tree

    Site: Choose a well-drained position in full sun to part shade with room for the canopy to develop.

    Soil preparation: Enrich the planting area with quality compost and aged manure for a strong establishment phase.

    Hole: Dig twice as wide as the root ball and the same depth.

    Planting: Position level with the surrounding soil, backfill gently, firm in, then water deeply to settle the roots.

    Recommended Planting Spacing For Your Agonis flexuosa Willow Myrtle Peppermint Tree

    Hedging and screening: 1 to 1.5 metres apart for a dense informal screen, or 80 centimetres apart for a tighter formal hedge.

    Feature tree: 3 to 4 metres apart to allow the full canopy and form to develop.

    Avenue planting: 3 metres apart for a uniform soft-textured avenue.

    Agonis flexuosa Willow Myrtle Peppermint Tree is expected to grow 30cm to 60cm per year.

    • Medium Growth Rate

    Long Term Care For Your Agonis flexuosa Willow Myrtle Peppermint Tree

    Watering: Water deeply twice weekly through the first 12 months. Once established, this is drought tolerant and only needs a deep soak during extended dry periods.

    Mulching: Apply a 5 to 7 centimetre layer of organic mulch over the root zone, keeping it 5 centimetres clear of the trunk.

    Pruning: Tip prune in late winter and again in summer to build dense growth. For a formal hedge, light shaping two to three times a year keeps lines crisp.

    Fertilising: Apply a slow-release native blend in early spring and again in autumn. Avoid high-phosphorus formulations as a precaution.

    Pest and disease: Hardy against most pests and diseases. Occasional inspection in warm humid conditions is all that's needed.

    Planting Your Agonis flexuosa Willow Myrtle Peppermint Tree in Different Soil

    Agonis flexuosa performs best in well-drained sandy loam or loam with a slightly acidic to neutral pH. Adaptable to a wide range of soils when drainage is improved with organic matter.

    Sandy soil: Free-draining and ideal. Mulch well to maintain consistent moisture.

    Clay soil: Improve drainage with gypsum and organic compost before planting.

    Loam: The preferred soil for steady root development and consistent growth.

    pH: Slightly acidic to neutral preferred. Mulch with composted leaf litter to maintain levels naturally.

    Uses in my Garden

    Uses in my Garden

    • Shade Tree
    • Feature Tree
    • Screening or Privacy
    • Rural Property Planting
    • Council or Civic Landscapes
    • Revegetation or Regeneration

    Agonis flexuosa Willow Myrtle Peppermint Tree works in an:

    • Australian Native Garden – celebrates local plants with natural character.
    • Coastal Garden – relaxed, seaside feel with hardy, textural plants.
    • Modern Garden – sleek, minimal, and design-led planting.
    • Low-maintenance Garden – resilient choices for easy care and year-round appeal.

    Is Agonis flexuosa Willow Myrtle Peppermint Tree Evergreen or Deciduous?

    Agonis flexuosa Willow Myrtle Peppermint Tree is an Evergreen (foliage year round) Tree

    Mature Height & Width

    Mature Height: 8m to 15m

    Mature Width: 4m to 8m

    Agonis flexuosa Willow Myrtle Peppermint Tree is expected to grow 30cm to 60cm per year.

    Growth Rate of Agonis flexuosa Willow Myrtle Peppermint Tree

    Agonis flexuosa Willow Myrtle Peppermint Tree is expected to grow 30cm to 60cm per year.

    They are considered to have a:

    • Medium Growth Rate

    Frost Tolerance & Ideal Climate to plant Agonis flexuosa Willow Myrtle Peppermint Tree

    Is Agonis flexuosa Willow Myrtle Peppermint Tree frost tolerant?

    Agonis flexuosa Willow Myrtle Peppermint Tree is Frost Sensitive – May suffer damage from frost, best in frost-free or protected spots.

    Does Agonis flexuosa Willow Myrtle Peppermint Tree Flower?

    Agonis flexuosa produces small clustered white flowers through spring and summer. While subtle, the blooms sit lightly along the weeping branches, adding a gentle seasonal highlight to its fine peppermint-scented foliage.

    Does Agonis flexuosa Willow Myrtle Peppermint Tree flower?

    • Yes - Flowers

    Flowering Period:

    • Spring
    • Summer

    Flower Type:

    • Clustered

    Flower Colour:

    White

    Is Agonis flexuosa Willow Myrtle Peppermint Tree an Australian Native Tree?

    Yes

    Agonis flexuosa Willow Myrtle Peppermint Tree is Native to South-west Western Australia, where it grows naturally in coastal areas, sandy soils, and open woodlands.

    What is the Wildlife Value of Agonis flexuosa Willow Myrtle Peppermint Tree ?

    Its dense, weeping canopy provides shelter for small birds, while its nectar- and pollen-rich flowers support native bees, hoverflies and other beneficial insects that strengthen local biodiversity.

    How much Sunlight does Agonis flexuosa Willow Myrtle Peppermint Tree need?

    Agonis flexuosa Willow Myrtle Peppermint Tree will thrive best in:

    • Full Sun

    Preferred Soil?

    Agonis flexuosa performs best in well-drained sandy or loam soils and tolerates slightly acidic to neutral conditions. It may struggle in heavy clay or waterlogged ground unless improved with organic matter to boost drainage. Keep soil evenly moist during establishment, then reduce watering as the tree matures and develops reliable drought resilience.

    Is Agonis flexuosa Willow Myrtle Peppermint Tree Drought Tolerant?

    Is Agonis flexuosa Willow Myrtle Peppermint Tree Drought tolerant?

    As a young tree it benefits from regular watering, but once established Agonis flexuosa develops good drought tolerance. It performs reliably in dry coastal and inland conditions and maintains its graceful form with minimal supplementary watering.

    Frequently Asked Questions

    How tall does Willow Myrtle grow?

    Agonis flexuosa grows to 8-10 metres tall and 4-6 metres wide with a graceful weeping form.

    How fast does Willow Myrtle grow?

    Willow Myrtle is moderately fast-growing, adding 40-60cm per year once established.

    Why is it called Peppermint Tree?

    The narrow green leaves release a distinct peppermint aroma when crushed, which gives Agonis flexuosa its common name of Peppermint Tree.

    Is Willow Myrtle an Australian native?

    Yes. Agonis flexuosa is native to south-western Western Australia, where it is a common coastal and woodland tree.

    Is Willow Myrtle drought and coastal tolerant?

    Yes. Willow Myrtle is highly drought tolerant once established and handles coastal exposure including salt spray and sandy soils, making it a reliable coastal feature and street tree.

    When does Willow Myrtle flower?

    Willow Myrtle produces small white flowers along its branches in spring, adding a soft seasonal display to the weeping green foliage.

    How far apart should I plant Willow Myrtle?

    Plant 3-4 metres apart for a feature row or informal screen, or 5-6 metres for individual canopy spread.

    Compare sizes side by side

    30cm

    Approx. 1.1m – 1.3m

    40cm/45L

    Approx. 1.6m – 1.9m

    100L

    Enquire for current heights

    Heights are approximate and vary between individual trees.

    Agonis flexuosa is loved for its graceful weeping branches, aromatic peppermint-scented leaves, and clusters of small white flowers in spring.

    We take pride in supplying A+ grade advanced trees. When stock at our farm is not yet ready, we work with our trusted trade suppliers to source the best available trees for your garden.

    Plant Your Agonis flexuosa Willow Myrtle Peppermint Tree With:

    Enriched Planting Mix (AO Certified)

    Enriched Planting Mix is a certified organic blend of Pure Magic Compost, composted animal manure, gypsum, composted coarse bark and a wetting agent, bagged in 30L. It is built to be dug through existing garden soil at planting time rather than used on its own, and the gypsum is what sets it apart from a plain compost.

    Gypsum helps break up heavy clay so water and roots can move through it, while the compost and manure return organic matter and nutrient to tired ground. The coarse bark holds structure and keeps air around the root zone, and the wetting agent keeps moisture in the soil longer after rain or watering.

    Use it when planting trees, shrubs, roses, fruit trees and exotic garden plants, particularly into clay. Dig a hole twice the width of the pot and 7 centimetres deeper, then mix roughly one third planting mix through the excavated soil. Spread 7 centimetres of that improved soil in the base before setting the plant in.

    Frequently Asked Questions

    About Enriched Planting Mix

    What is Enriched Planting Mix made from?

    It is a blend of Pure Magic Compost, composted animal manure, gypsum, composted coarse bark and a wetting agent. Each part has a job. The compost and manure supply organic matter and nutrient, the gypsum works on clay structure, the bark keeps air around the roots and the wetting agent holds moisture in the soil.

    What plants is it suitable for?

    It suits exotic garden plants, including roses, ornamental and deciduous trees, fruit trees, shrubs and perennials, and it earns its keep most on heavy clay sites. It is a planting mix rather than a potting mix, so its job is improving soil at planting time. Phosphorus sensitive natives are the one clear exception.

    Is it safe for natives?

    No, not for the phosphorus sensitive ones. The composted animal manure in this blend lifts phosphorus well above what Proteaceae such as Banksia, Grevillea, Hakea and Protea will tolerate, and the result can be leaf burn, dieback and plant death. Use the Native Potting Mix for those species, or plant them into unimproved local soil.

    Is it certified organic?

    Yes. It is a certified organic product with no chemical additives, which is why the manure and compost in it are fully composted rather than raw. That makes it sound around fruit trees and vegetable beds, and it means you are adding genuine organic matter to your soil rather than a synthetic conditioner.

    How much do I need?

    Work on roughly one third planting mix to two thirds of the soil you dug out of the hole. For a shrub out of a 200 millimetre pot that is only a few litres. An advanced tree going into a large hole will take considerably more. Judge the quantity by the volume of the hole rather than the size of the plant.

    Can I use it in pots?

    It is not a potting mix and should not be used on its own in a container. The blend is designed to be diluted through garden soil, and used straight in a pot it holds too much water and settles badly. For containers, reach for a premium potting mix, or the native mix if you are potting natives.

    Does it need to be watered in?

    Yes. Water the plant well several hours before you plant it, then water thoroughly again once the hole is backfilled and the soil firmed down. That first deep watering settles the improved soil around the root ball and drives out air pockets. Keep the water up over the first few months while the roots establish.

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