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Picea glauca 'Alberta Globe' 15cm

Name: Picea glauca 'Alberta Globe' 15cm
Brand: Greenleaf Garden Center
SKU: PicAlbertaGlobe15cm
Price: 13.0 EUR
Availability: OutOfStock

€13,00

Quantity

Dwarf evergreen conifer · Pinaceae · rounded green crown

Picea glauca ‘Alberta Globe’

The quietest style statement in the garden 😌

Family: Pinaceae · Pot diameter: 15cm · Height: approximately 25cm

Naturally rounded crown
Short green needles
Slow growth
RHS AGM 2012

Picea glauca ‘Alberta Globe’ resembles a small green cloud that has drifted down to rest in the garden, quiet and full of detail. Short needles clothe its branchlets densely, weaving a rounded surface where light touches the tips and leaves little pockets of shadow within. Beside stone, along a quiet garden path or among lighter foliage, it brings that discreet sense of order which makes a planting feel complete.

Its charm rests not on flowers or dramatic changes, but on the balance between density and fine texture. The outline has the gentleness of a natural curve, without the formality of a clipped geometric shape. It gives the eye a quiet place to rest: a green pause that draws surrounding colours together and remains present when seasonal flowers fade.

Picea glauca ‘Alberta Globe’ received the Royal Horticultural Society Award of Garden Merit in 2012.

What makes it special

A naturally rounded, slow-growing selection with dense branching and short green needles.

A curve without clipping

The crown develops into a low, rounded mound, often broader than it is tall, without needing to be trained into a ball.

Dense needle texture

Numerous short branchlets carry small needles, creating fine detail and deeper green shadows within the crown.

A lasting green presence

Evergreen foliage preserves the rounded outline through winter, while the surrounding planting changes character.

Why you will love it: it brings a clear curve, fine texture and quiet green depth to a planting, without constant clipping to preserve its character.

In the garden & on the balconyPlacement & plant combinationsRounded green crown · cool, bright position · allow for an eventual spread of around 1m

Planting position

Quiet green centre

Place it in front of taller plants, beside a stone or in a roomy pot with free drainage. Allow around 1m of space for its future crown and, in warmer regions, choose morning sun with shelter from intense afternoon sun and heat-reflecting walls.

Colour & compatibility

Cream and pink contrasts

The short needles stand out beside broad reddish leaves and long cream stripes. Low winter flowers at the brighter edge complete the composition, with well-drained soil and no crowding around the base.

Heuchera ‘Boysenberry’ — broad reddish leaves contrast with the fine needles in a position sheltered from intense afternoon sun.
Carex oshimensis ‘Evergold’ — arching leaves with a cream central stripe add movement beside the compact green mound.
Erica carnea ‘Early Red’ — low pink winter flowers at the sunnier edge, in moisture-retentive but well-drained soil.

Care at a glance

Light

Sun in cool locations; in very warm regions, morning sun and light afternoon shade, away from reflected heat.

Watering

Maintain even moisture around the roots without waterlogging. Do not allow the soil to dry out completely, especially in pots.

Climate & hardiness

Very cold hardy, rated RHS H7. Prolonged summer heat and drying winds make careful positioning important.

Safety

An ornamental plant, not for consumption. Wear gloves when handling and keep needles or resin away from the eyes.

Detailed careComplete care guideEight practical points: Position, Watering, Soil, Feeding, Pruning, Needle checks, Planting & pots, Seasonal protection.

Position

Choose a cool microclimate with plenty of light and air circulation. Avoid hot paving, heat-reflecting walls and exposed corners with drying winds.

Watering

Check moisture just below the surface and water thoroughly when it begins to dry. Pots and recent plantings need more frequent checks, not permanently wet soil.

Soil

Use moisture-retentive but well-drained soil, preferably acidic to neutral. Avoid planting where water collects and remains around the roots.

Feeding

If needed, apply a modest feed suitable for conifers in spring, following the product label. Naturally slow growth does not by itself indicate a nutrient deficiency.

Pruning

Routine clipping is unnecessary. Remove dead or broken branchlets and avoid cutting deeply into bare old wood to reduce the plant's size.

Needle checks

If needles become stippled, dull or brown, inspect the inner crown for mites as well. Gently tap a branch over white paper and look for tiny moving specks.

Planting & pots

Plant during a cool period at the existing soil level, without burying the trunk base. Choose a pot with drainage holes and do not leave water standing in a saucer.

Seasonal protection

An organic surface mulch, kept away from the trunk, helps moderate fluctuations in soil moisture. Do not water frozen soil; check again when it thaws, particularly in pots exposed to wind.

Development over timeA green curve that matures slowlyFresh spring tips, gradual thickening and an evergreen winter outline.

Fresh spring tips

New growth appears in lighter green at the ends of the short branchlets.

A denser rounded mound

Young needles mature into the deeper green crown, which broadens a little each year.

Green winter structure

The foliage remains, and the low rounded outline continues to give the planting structure.

Mature form & dimensions

mature established plant

Mature height 0.5–1mMature spread 0.5–1mDense rounded crown

Growing slowly, it can reach an ultimate height and spread of 0.5–1m. At ten years, an indicative size is approximately 0.4m in height and 0.6m in spread. The natural crown is rounded, often broader than it is tall, rather than a strict cone or a perfectly clipped sphere.

Form through time

two real states

Light-green spring tipsGreen winter foliage

Spring growthYoung tips gently brighten the green outline.

Winter structureRetained needles preserve the dense rounded mound.

Both seasonal views retain the same dense, rounded branching pattern. The main change is the shade of the young growth, not the loss of the crown.

What to expect after planting: The change is subtle and should not be mistaken for poor growth. An indicative size at ten years is approximately 0.4m tall and 0.6m wide; greater age and growing conditions influence eventual dimensions.

History & originCultivar originAlberta, 1904: ‘Conica’ · Boskoop, before 1967: C. Streng's selection · RHS AGM 2012

The story of Picea glauca ‘Alberta Globe’ begins before it acquired its own rounded outline. In 1904, the dwarf ‘Conica’, known for its compact conical habit, was found in Alberta, Canada. This earlier selection later became the starting point for a different pattern of growth: not a small cone, but a low green mound.

The story continues in Boskoop, the Netherlands, where C. Streng selected a naturally occurring branch variation on ‘Conica’ before 1967. Named ‘Alberta Globe’, the selection was distinguished by its slow growth and rounded crown. It did not originate from a cross between two parent cultivars; its starting point is this change in the growth of ‘Conica’.

The selection had been made before 1967, but the exact dates of discovery and first propagation remain unknown. In 2012, the Royal Horticultural Society awarded it the Award of Garden Merit. Behind this little green curve lies a journey connecting a Canadian discovery with the observation of a Dutch selector.

Greenleaf for Plant NerdsScience nobody asked forBotanical details for anyone curious about what lies behind the plant’s appearance

Evergreen does not mean the same needles forever

Spruces retain several age groups of needles at once. As the oldest inner needles reach the end of their lifespan, they may yellow and fall while younger outer needles remain green; browning of new shoot tips is not part of this normal renewal.

Winter drying, not just low temperature

Evergreen needles can lose water in sun and wind even during winter. When the soil is frozen, roots struggle to replace that loss, so cold hardiness does not rule out desiccation damage in exposed positions.

Frequently asked questions

Six answers about shape, dimensions, pots, heat and changes in the needles.

01Does it become rounded without clipping?

Yes. Its natural habit is dense and rounded, often slightly broader than it is tall. It needs no frequent clipping and does not naturally develop the cone of ‘Conica’.

02How large does it grow?

At ten years, it can reach approximately 0.4m tall and 0.6m wide. Its ultimate size is approximately 0.5–1m in both dimensions; these figures describe different age stages and are guides rather than guarantees.

03Can it stay in a pot?

Yes, with adequate root space, free drainage and regular moisture checks. Slow growth does not remove the need to repot when the roots fill the available space.

04Is it suitable for a very hot balcony?

A balcony with intense afternoon sun, heat-reflecting walls and drying wind is not a good choice. Prefer a cooler, bright position with morning sun and shelter during the hottest hours.

05Why are a few needles falling from inside the crown?

Older inner needles are naturally renewed. If young tips or whole sections of the crown turn brown, however, check moisture, drainage and the presence of mites.

06When should I check for mites?

Check whenever needles look stippled or dull, not only during a heatwave. The spruce spider mite, Oligonychus ununguis, is mainly active in cool periods during spring and autumn.

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Picea glauca 'Alberta Globe' 15cm

Picea glauca 'Alberta Globe' 15cm

Picea glauca ‘Alberta Globe’

What makes it special

A curve without clipping

Dense needle texture

A lasting green presence

Quiet green centre

Cream and pink contrasts

Care at a glance

Light

Watering

Climate & hardiness

Safety

Position

Watering

Soil

Feeding

Pruning

Needle checks

Planting & pots

Seasonal protection

Fresh spring tips

A denser rounded mound

Green winter structure

Mature form & dimensions

Form through time

Evergreen does not mean the same needles forever

Winter drying, not just low temperature

Frequently asked questions

Picea glauca 'Alberta Globe' 15cm — Care & Tips

We take care of the packaging!

With specially designed boxes, we ensure that the plants will reach you intact, no matter what they encounter on the way!

All plants in 3L pots or larger are placed in individual boxes that secure the plant at the base of the pot, preventing it from tipping over.

The cardboard used for the boxes is specially made to provide resistance to potential impacts during transport.

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