Quercus canariensis – Algerian Oak / Mirbeck’s Oak - Evergreen Trees Direct

Quercus canariensis – Algerian Oak / Mirbeck’s Oak

$620.00

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Size: 100L

100L

Current Stock Height Guides

100L: 2.4m – 3.5m 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

Mature Width: 10m to 15m

Quercus canariensis – Algerian Oak / Mirbeck’s Oak is expected to grow 30cm to 60cm per year (moderate).

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 Quercus canariensis – Algerian Oak / Mirbeck’s Oak

Quercus canariensis, the Algerian Oak or Mirbeck's Oak, is a broad domed oak from Spain, Portugal and North Africa rather than the Canary Islands its name suggests. The large glossy leaves are dark green with soft scalloped teeth and pale undersides, and the grey bark thickens into deep ridges with age.

It is semi evergreen, holding most of its foliage through winter and shedding it just as new growth pushes in early spring. Full sun and free draining soil suit it, along with heat, wind and dry spells once established. Growth is moderate at 30 to 60 centimetres a year, and light to moderate frost is tolerated.

Size is the main consideration, since mature trees reach 15 to 25 metres tall and 10 to 15 metres wide. That makes it a park, campus, civic and large rural property tree, or a generously spaced avenue. Councils specify it where a long lived shade canopy has to survive hot dry summers.

Frequently Asked Questions

About Algerian Oak

What is Quercus canariensis?

The Algerian Oak, also called Mirbeck's Oak, is a large semi evergreen oak from Portugal, Spain, Morocco, Algeria and Tunisia, despite the name pointing at the Canary Islands. It has big glossy dark green leaves with soft rounded teeth, a wide domed crown and grey bark that roughens as the trunk gains girth.

Is the Algerian Oak evergreen or deciduous?

It sits between the two. In warm districts it holds a full canopy through winter and reads as evergreen, while in colder areas the old leaves brown off and drop in late winter, just before the new growth flushes. Either way the tree is rarely bare for more than a few weeks.

How big does it get?

Mature trees reach 15 to 25 metres tall and spread 10 to 15 metres, so this is a tree for open ground rather than a suburban courtyard. Full size takes several decades. Allow at least 8 to 10 metres of clearance from buildings, fences and overhead service lines when siting it.

How fast does it grow?

Moderate, roughly 30 to 60 centimetres a year, faster on deep soil with summer water and slower on shallow or compacted ground. Like most oaks it puts its early energy into roots, so height gain can look modest for the first few years before the tree lifts away.

Is it drought and frost tolerant?

Once established it handles heat, wind and extended dry periods well, which is why it is planted through the drier parts of southern Australia. It also tolerates light to moderate frost. Young trees are the exception and need regular deep watering through their first two or three summers.

Is it suitable for avenue or street planting?

Yes, where the space is genuinely there. Allow 3 metres between trunks for a close uniform avenue whose crowns will knit together, or 8 to 10 metres if you want each tree to carry its full canopy. Its heat tolerance and dense shade make it a common choice for civic and campus work.

How do I care for an Algerian Oak?

Plant into free draining ground, stake only if the site is windy, and water deeply every week or two through the first summers. Mulch widely and keep turf away from the trunk. Prune in winter to remove crossing limbs and lift the canopy while the branches are still small enough to cut cleanly.

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.

View full details

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Enriched Planting Mix (AO Certified)

$21.95

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Uses in my Garden

Feature Tree
Shade Tree
Avenue Planting
Council or Civic Landscapes

Quercus canariensis – Algerian Oak / Mirbeck’s Oak works in an:

Mediterranean Style Garden – timeless courtyard look with stone, pots, and bold greenery.
Formal Garden – structured, symmetrical design with clipped shapes.
Modern Garden – sleek, minimal, and design-led planting.
Low-maintenance Garden – resilient choices for easy care and year-round appeal.

Is Quercus canariensis – Algerian Oak / Mirbeck’s Oak Evergreen or Deciduous?

Quercus canariensis – Algerian Oak / Mirbeck’s Oak is an Semi Deciduous Tree

Mature Height & Width

Mature Height: 15m to 25m

Mature Width: 10m to 15m

Quercus canariensis – Algerian Oak / Mirbeck’s Oak is expected to grow 30cm to 60cm per year (moderate).

Growth Rate of Quercus canariensis – Algerian Oak / Mirbeck’s Oak

Quercus canariensis – Algerian Oak / Mirbeck’s Oak is expected to grow 30cm to 60cm per year (moderate).

They are considered to have a:

Medium Growth Rate

Frost Tolerance & Ideal Climate to plant Quercus canariensis – Algerian Oak / Mirbeck’s Oak

Is Quercus canariensis – Algerian Oak / Mirbeck’s Oak frost tolerant?

Quercus canariensis – Algerian Oak / Mirbeck’s Oak is Frost Tolerant – Can handle light to moderate frost once established.

Does Quercus canariensis – Algerian Oak / Mirbeck’s Oak Flower?

Quercus canariensis produces small, inconspicuous catkins in spring. These blooms are not ornamental and are followed by classic oak acorns, which mature later in the season. The tree is grown primarily for its lush, broad leaves and impressive stature rather than its flowers.

Does Quercus canariensis – Algerian Oak / Mirbeck’s Oak flower?

Yes - Flowers

Flowering Period:

Spring

Flower Type:

Catkin-like

Flower Colour:

Not Applicable

Is Quercus canariensis – Algerian Oak / Mirbeck’s Oak an Australian Native Tree?

No

Quercus canariensis – Algerian Oak / Mirbeck’s Oak is Native to Southern Europe and North Africa, including Algeria, Morocco, Spain, and Portugal, where Quercus canariensis grows in woodlands and mountainous regions.

What is the Wildlife Value of Quercus canariensis – Algerian Oak / Mirbeck’s Oak ?

Its broad, spreading canopy provides excellent shelter and nesting opportunities for small birds, while the foliage supports a wide variety of beneficial insects that help sustain local food webs. The acorns offer a seasonal food source for wildlife, making Quercus canariensis a valuable biodiversity-supporting tree in parks, large gardens and woodland-style plantings.

How much Sunlight does Quercus canariensis – Algerian Oak / Mirbeck’s Oak need?

Quercus canariensis – Algerian Oak / Mirbeck’s Oak will thrive best in:

Full Sun

Preferred Soil?

Quercus canariensis performs best in well-drained loam or sandy loam soils with an acidic to neutral pH. It will also tolerate lighter sandy soils if enriched with organic matter to support moisture retention. Avoid heavy clay, compacted or waterlogged ground unless significantly improved, as poor drainage can restrict root health and reduce growth. Keep the soil evenly moist during establishment, then gradually reduce watering as the tree matures.

Is Quercus canariensis – Algerian Oak / Mirbeck’s Oak Drought Tolerant?

Is Quercus canariensis – Algerian Oak / Mirbeck’s Oak Drought tolerant?

As a young tree it requires regular deep watering to establish well. Once established, Algerian Oak develops moderate drought tolerance, performing reliably in warm, dry periods when grown in well-drained soil. However, it prefers soils with some consistent moisture, and occasional supplementary watering during extended heat helps maintain canopy density and vigour.

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How To Plant Your Quercus canariensis – Algerian Oak / Mirbeck’s Oak

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 Quercus canariensis – Algerian Oak / Mirbeck’s Oak

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.

Quercus canariensis – Algerian Oak / Mirbeck’s Oak is expected to grow 30cm to 60cm per year (moderate).

Medium Growth Rate

Long Term Care For Your Quercus canariensis – Algerian Oak / Mirbeck’s Oak

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 Quercus canariensis – Algerian Oak / Mirbeck’s Oak in Different Soil

Quercus canariensis 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.