Populus deltoides - Evergreen Trees Direct

Populus deltoides

$280.00

Tax included. Shipping calculated at checkout.

Size: 40cm/45L

40cm/45L 75L 1000L

Current Stock Height Guides

40cm/45L: Enquire within for height guide information.
75L: Enquire within for height guide information.
1000L: Enquire within for height guide information.

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: 20m to 30m (approx.)

Mature Width: 15m to 20m

Populus deltoides is expected to grow 1m to 1.5m per year (approx.).

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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Contact

Have a question or a list to send through to us?

Email: sales@evergreentrees.com.au

Phone: (03) 7042 3318

About Your New Populus deltoides

Populus deltoides, the Eastern Cottonwood, is a very large deciduous tree from North America with a broad spreading crown and a heavy pale trunk. The bright green triangular leaves are 10 to 20 centimetres across and rustle in the slightest breeze, turning clear yellow before falling in autumn.

It grows extremely fast, at 1 to 1.5 metres a year, in full sun and almost any soil, including wet and periodically flooded ground. It is frost hardy, tolerates air pollution and copes with dry spells once established, which suits it to temperate and inland climates across southern Australia.

Mature trees reach up to 25 metres tall and 15 to 20 metres wide, so this is a tree for acreage, dam surrounds, farm windbreaks and large open parkland. Space specimens 3 to 4 metres apart in a windbreak row. Nothing else gives usable shade and shelter on a big site this quickly.

Frequently Asked Questions

About Eastern Cottonwood

What is Populus deltoides?

Eastern Cottonwood is a fast growing deciduous poplar native to North America, planted in Australia for quick shade, shelter and screening on large properties. It has a broad spreading crown, triangular leaves that flutter in the wind, and greenish catkins in early spring before the new leaves appear.

How big does it grow?

It grows to 25 metres tall with a spread of 15 to 20 metres, making it one of the larger deciduous trees planted in Australia. It reaches a substantial size within a decade or two rather than over a lifetime, so allow for the full dimensions from the day you plant it.

How fast does it grow?

Growth of 1 to 1.5 metres a year is normal on good soil with water available, and it is among the fastest large trees you can plant. That speed comes with soft brittle timber, so shelter from severe wind and formative pruning in the early years both pay off later.

Does it have invasive roots?

Yes. The root system is vigorous, wide spreading and drawn to moisture, and it will invade drains, septic systems and irrigation lines and lift paving. Suckering from the roots is also common. Keep it at least 15 metres from buildings, services and pipework, and do not plant it in small gardens.

Is it deciduous?

Yes. It drops all its leaves through autumn and stands bare through winter, then leafs out quickly in spring. That cycle makes it useful on the northern side of a house or over a yard, where summer shade is wanted and winter sun is not. Expect a substantial leaf fall to clean up.

Does it tolerate wet soil?

Yes, better than almost any other large shade tree. It grows naturally on river flats and floodplains and handles seasonally waterlogged ground, dam edges and heavy soils that would kill most trees. It also copes with dry periods once established, though growth slows noticeably without summer moisture.

How do I care for an Eastern Cottonwood?

Water well through the first two summers to get the roots down. Prune in winter to a single leader and remove dead or damaged wood each year, since the timber is brittle and sheds limbs. Keep suckers cut off at the base. Beyond that it needs very little attention on a large site.

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

Shade Tree
Rural Property Planting
Windbreak

Populus deltoides works in an:

Woodland Garden – layered, naturalistic design under dappled light.
Low-maintenance Garden – resilient choices for easy care and year-round appeal.

Is Populus deltoides Evergreen or Deciduous?

Populus deltoides is an Deciduous (Defoliates throughout colder months) Tree

Mature Height & Width

Mature Height: 20m to 30m (approx.)

Mature Width: 15m to 20m

Populus deltoides is expected to grow 1m to 1.5m per year (approx.).

Growth Rate of Populus deltoides

Populus deltoides is expected to grow 1m to 1.5m per year (approx.).

They are considered to have a:

Fast Growth Rate

Frost Tolerance & Ideal Climate to plant Populus deltoides

Is Populus deltoides frost tolerant?

Populus deltoides is Frost Hardy – Survives heavy and frequent frost without damage.

Does Populus deltoides Flower?

Populus deltoides produces long, pendent catkins in early spring, with males displaying yellow pollen-bearing tassels and females producing greenish seed catkins. Though not ornamental, the fluffy cotton-like seeds released later in the season are a distinctive natural feature.

Does Populus deltoides flower?

Yes - Flowers

Flowering Period:

Spring

Flower Type:

Catkin-like

Flower Colour:

White

Is Populus deltoides an Australian Native Tree?

No

Populus deltoides is Native to North America, where it grows naturally along rivers, floodplains, and moist lowlands from Canada through the United States to Mexico.

What is the Wildlife Value of Populus deltoides ?

Its catkins provide early-season pollen for bees, while the seeds are eaten by small birds. The broad, fast-growing canopy offers excellent shade, shelter and nesting habitat for a variety of bird species, and the rough trunk and fallen leaf litter support insects and microfauna in riparian and large landscape plantings.

How much Sunlight does Populus deltoides need?

Populus deltoides will thrive best in:

Full Sun
Part Shade

Preferred Soil?

Populus deltoides performs best in moist, well-drained loam or sandy loam soils and prefers slightly acidic to neutral conditions. It thrives in deep, fertile ground but may struggle in compacted, alkaline or very dry soils unless improved with organic matter to enhance moisture retention and structure. Keep soil evenly moist during establishment, then maintain deep, occasional watering as the tree matures to support vigorous growth, strong root development and a full, healthy canopy.

Is Populus deltoides Drought Tolerant?

Is Populus deltoides Drought tolerant?

As a young tree it requires regular watering, and once established Eastern Cottonwood offers moderate drought tolerance. It grows rapidly in moist, well-drained soils, but can withstand short dry periods when supported with deep, occasional watering. Consistent moisture encourages stronger growth and fuller canopy development.

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How To Plant Your Populus deltoides

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 Populus deltoides

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.

Populus deltoides is expected to grow 1m to 1.5m per year (approx.).

Fast Growth Rate

Long Term Care For Your Populus deltoides

Watering: Water deeply twice weekly through the first 12 months. Once established, reduce to once weekly in dry periods. Mulch helps maintain consistent moisture.

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 scale or caterpillar inspection in warm humid conditions is all that's needed.

Planting Your Populus deltoides in Different Soil

Populus deltoides performs best in well-drained loam or sandy 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.

Frequently Asked Questions

Q: Is Eastern Cottonwood fast-growing? A: Yes, Eastern Cottonwood is known for its rapid growth, with a growth rate of up to 1-2 meters per year.

Q: Does Eastern Cottonwood have any pest or disease problems? A: Eastern Cottonwood is susceptible to a number of pests and diseases, including leaf spot, cankers, and borers.

Q: Can Eastern Cottonwood be pruned into a hedge? A: No, Eastern Cottonwood is not recommended for use as a hedging tree due to its rapid growth and large size.

Q: When is the best time to plant Eastern Cottonwood? A: The best time to plant Eastern Cottonwood is in early spring or fall, when temperatures are cool and rainfall is plentiful.