Fraxinus americana – White Ash - Evergreen Trees Direct

Fraxinus americana – White Ash

$265.00

Tax included. Shipping calculated at checkout.

Size: 40cm/45L

40cm/45L

Current Stock Height Guides

40cm/45L: 1.5m – 3.2m Approx.

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 mustconfirm 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.

Mature Height & Width

Mature Height: 15m to 25m (approx.)

Mature Width: 10m to 15m

Fraxinus americana – White Ash is expected to grow 80cm to 120cm per year (moderate to fast).

Root Ball Dimensions

Use this as a reference when digging your planting hole. We recommend digging at least 10% wider than the dimensions below to encourage strong root development.

30cm Pot: 33cm (W) × 30cm (D)
40cm/45L Pot: 44cm (W) × 41.5cm (D)
50cm Pot / 70L Pot: 55cm (W) × 41.8cm (D)
100L Bag: 50.6cm (W) × 52.8cm (D)
150L Bag: 66cm (W) × 55cm (D)
200L Bag: 71.5cm (W) × 60.5cm (D)
300L Bag: 88cm (W) × 63.8cm (D)
400L Bag: 99cm (W) × 66cm (D)
500L Bag: 122cm (W) × 66cm (D)
750L Bag: 134cm (W) × 69cm (D)
1000L Bag: 146.3cm (W) × 71.5cm (D)
2000L Bag: 176cm (W) × 82.5cm (D)

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Phone: (03) 7042 3318

About Your New Fraxinus americana – White Ash

Fraxinus americana, known as White Ash, is a large deciduous tree with an upright trunk and a broad, spreading crown. The pinnate leaves are dark green above and pale beneath, colouring through purple, burgundy and gold in autumn. Clusters of small purple flowers open on bare wood in spring, ahead of the new foliage.

Give it full sun and a deep, free draining soil, with steady water through the first few summers. It is frost hardy and comes through heavy, frequent frost undamaged, which suits cool temperate and inland areas including Victoria, Tasmania, the tablelands and the ACT. Growth is moderate to fast at 80 to 120 centimetres a year.

At 15 to 20 metres tall and 10 to 15 metres wide, this is a tree for open ground: parks, reserves, rural driveways, school grounds and large gardens. It needs room to spread and clear space above for the crown to develop. Where that space exists it returns deep summer shade and a long autumn display for generations.

Frequently Asked Questions

About White Ash

What is White Ash?

White Ash is the common name for Fraxinus americana, a deciduous shade tree from eastern North America. It carries pinnate leaves on a straight trunk and a wide, high branching canopy, and it is grown here mainly for its autumn colour, which runs through purple and burgundy to gold. It is a long lived tree rather than a quick fix.

How big does White Ash grow?

Mature trees reach 15 to 20 metres tall with a canopy 10 to 15 metres wide. That size takes decades, and in average garden soil the tree often settles at the lower end of the range. Allow the full width when siting it, because a crown of that size cannot be pruned back to fit a small space later.

How fast does White Ash grow?

Growth is moderate to fast, around 80 to 120 centimetres a year through the establishment years on good soil with adequate water. It slows as the tree puts energy into trunk and crown structure. Poor drainage, competition from turf and dry summers all reduce that figure, so mulch and water well for the first three seasons.

Is White Ash frost tolerant?

Yes. White Ash is frost hardy and survives heavy and frequent frost without damage, which is why it performs well in the southern tablelands, alpine valleys and cold inland towns. Being deciduous, it is bare when the hardest frosts arrive, so the buds and wood carry the load rather than soft foliage. Late spring frost may burn new leaves briefly.

When does White Ash colour in autumn?

Autumn colour usually develops from April into June depending on how cool the district is. The leaves shift from dark green to purple and burgundy, often with gold and bronze in the same canopy, then fall over a few weeks. Cold nights and a dry autumn sharpen the colour; warm coastal autumns give a softer result.

Does White Ash have invasive roots?

The root system is vigorous and largely shallow, spreading well beyond the canopy line in search of water. Keep the tree a good distance from house footings, paving, retaining walls and sewer or stormwater lines, and avoid planting it in narrow garden beds. In open lawn, park or paddock situations the roots cause no trouble.

How do I care for White Ash?

Water deeply through the first three summers and keep a mulch ring clear of the trunk. Prune in late winter while the tree is bare, removing crossing limbs and any competing leaders to build one strong central trunk. Once established it needs little beyond removing deadwood. Raking or mulching the autumn leaf fall is usually the main ongoing job.

Enriched Planting Mix (AO Certified)

$21.95

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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Enriched Planting Mix (AO Certified)

$21.95

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Uses in my Garden

Screening or Privacy
Shade Tree
Feature Tree
Street Tree
Rural Property Planting

Fraxinus americana – White Ash works in an:

Woodland Garden – layered, naturalistic design under dappled light.
Heritage / Traditional Garden – timeless, classic plantings for period homes.
Contemporary / Architectural Garden – striking forms for bold design statements.

Is Fraxinus americana – White Ash Evergreen or Deciduous?

Fraxinus americana – White Ash is an Deciduous (Defoliates throughout colder months) Tree

Mature Height & Width

Mature Height: 15m to 25m (approx.)

Mature Width: 10m to 15m

Fraxinus americana – White Ash is expected to grow 80cm to 120cm per year (moderate to fast).

Growth Rate of Fraxinus americana – White Ash

Fraxinus americana – White Ash is expected to grow 80cm to 120cm per year (moderate to fast).

They are considered to have a:

Medium Growth Rate
Fast Growth Rate

Frost Tolerance & Ideal Climate to plant Fraxinus americana – White Ash

Is Fraxinus americana – White Ash frost tolerant?

Fraxinus americana – White Ash is Frost Hardy – Survives heavy and frequent frost without damage.

Does Fraxinus americana – White Ash Flower?

Fraxinus americana produces small, inconspicuous greenish-purple flowers in mid-spring. These modest blooms appear on bare branches before the leaves emerge and contribute quietly to the tree’s seasonal cycle rather than offering ornamental display.

Does Fraxinus americana – White Ash flower?

No - Doesn't Flower

Flowering Period:

Spring

Flower Type:

Clustered

Flower Colour:

Purple

Is Fraxinus americana – White Ash an Australian Native Tree?

No

Fraxinus americana – White Ash is Native to Eastern and central North America, from Canada through the United States, where it grows in upland forests, valleys, and well-drained soils.

What is the Wildlife Value of Fraxinus americana – White Ash ?

Its seeds (samaras) provide food for birds and small mammals, while the broad, spreading canopy offers excellent nesting and shelter opportunities for small birds. The textured bark and leaf litter also support insects and microfauna, contributing to a biodiverse woodland-style garden ecosystem.

How much Sunlight does Fraxinus americana – White Ash need?

Fraxinus americana – White Ash will thrive best in:

Full Sun

Preferred Soil?

Fraxinus americana performs best in deep, well-drained loam or sandy loam soils and prefers slightly acidic to neutral conditions. It may struggle in compacted clay or very dry soils unless improved with organic matter to increase moisture retention and aeration. Keep soil evenly moist during establishment, then provide deep, occasional watering as the tree matures to support strong growth, healthy foliage and long-term performance.

Is Fraxinus americana – White Ash Drought Tolerant?

Is Fraxinus americana – White Ash Drought tolerant?

As a young tree it requires regular watering, and once established White Ash develops moderate drought tolerance. It performs best in temperate climates with deep, occasional watering during extended dry periods to maintain canopy health, vigour and reliable autumn colour.

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How To Plant Your Fraxinus americana – White Ash

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 Fraxinus americana – White Ash

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.

Fraxinus americana – White Ash is expected to grow 80cm to 120cm per year (moderate to fast).

Medium Growth Rate
Fast Growth Rate

Long Term Care For Your Fraxinus americana – White Ash

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: Minimal pruning required. Light tip prune in late winter to maintain shape, and remove lower branches as the tree grows to develop a clean feature trunk.

Fertilising: Apply a slow-release general-purpose fertiliser in early spring and again in autumn for steady growth and consistent foliage colour.

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

Planting Your Fraxinus americana – White Ash in Different Soil

Fraxinus americana performs best in free-draining loam or sandy loam with a neutral to slightly alkaline pH. Adaptable to a wide range of soils when drainage is sharp.

Sandy soil: Free-draining and ideal. Mulch lightly to moderate surface temperature.

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

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

pH: Neutral to slightly alkaline preferred. Avoid waterlogging at all times.