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Picea mariana (Black spruce)

Beginner
skill rating
1 hour care
per year
20m
Max height
5m
Max spread
20-50 years
To maturity

Plant details

Botanical name

Picea mariana

Other names

Black spruce

Genus

Picea Picea

Species

P. mariana - P. mariana is a slow-growing, narrowly conical, evergreen, coniferous tree with needle-like, stiff, dark blue-green leaves, paler beneath, and cylindrical, reddish-purple cones turning reddish-brown when mature.


Picea mariana is: Evergreen

Habit

Narrowly conical

Foliage

Dark-green in All seasons

How to care

Watch out for

Specific pests

Pineapple gall adelgid on spruce trees , Aphids , Red spider mite (box and other) Pineapple gall adelgid on spruce trees , Aphids , Red spider mite (box and other)

Diseases

Generally disease free.

General care

Pruning

Little or no pruning required.

Propagation methods

Grafting, Seed, Semi-hardwood cuttings


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Where to grow

Picea mariana (Black spruce) will reach a height of 20m and a spread of 5m after 20-50 years.

Suggested uses

Architectural, Low Maintenance, Specimen tree

Cultivation

Best grown in moist but well-drained, acid soil in full sun. Will tolerate slightly alkaline conditions. Mature cones tend to persist on the tree for several years.

Soil type

Clay, Loamy, Sandy

Soil drainage

Moist but well-drained

Soil pH

Acid, Neutral

Light

Full Sun

Aspect

South, East, West

Exposure

Exposed, Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

Companion plants

Botanical name

Picea mariana

Other names

Black spruce

Genus

Picea Picea

Species

P. mariana - P. mariana is a slow-growing, narrowly conical, evergreen, coniferous tree with needle-like, stiff, dark blue-green leaves, paler beneath, and cylindrical, reddish-purple cones turning reddish-brown when mature.

Native to

Alaska, Canada, Northeastern United States

Foliage

Evergreen

Habit

Narrowly conical


Colour

Foliage

Dark-green in All seasons


How to care

Watch out for

Specific pests

Pineapple gall adelgid on spruce trees , Aphids , Red spider mite (box and other)

Diseases

Generally disease free.

General care

Pruning

Little or no pruning required.

Propagation methods

Grafting, Seed, Semi-hardwood cuttings


Monthly care advice


Where to grow

Picea mariana (Black spruce) will reach a height of 20m and a spread of 5m after 20-50 years.

Suggested uses

Architectural, Low Maintenance, Specimen tree

Cultivation

Best grown in moist but well-drained, acid soil in full sun. Will tolerate slightly alkaline conditions. Mature cones tend to persist on the tree for several years.

Soil type

Clay, Loamy, Sandy

Soil drainage

Moist but well-drained

Soil pH

Acid, Neutral

Light

Full Sun

Aspect

South, East, West

Exposure

Exposed, Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

USDA zones

Zone 7, Zone 6, Zone 5, Zone 4, Zone 3

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This plant likes... Garden match
Soil types: Clay, Loamy, Sandy Tell us...
Soil drainage: Moist but well-drained Tell us...
Soil pH: Acid, Neutral Tell us...
Light: Full Sun Tell us...
Aspect: South, East, West Tell us...
Exposure: Exposed, Sheltered Tell us...
Hardiness: Hardy (H4) Tell us...

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