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Botanical species
Pinaceae
Black spruce (Picea mariana)
Product code : GAIAND-0004
Black spruce is an evergreen botanical species, adapted to sun and acidic, fresh to moist soil; tolerates peat bogs and poor soils. It reaches 10 to 20 m at maturity. Packet of 10 seeds, Gaiand house brand.
- Quantity
- 10 seeds
- Exposure
- Sun
- Life cycle
- Evergreen tree
- Hardiness
- Zone 1 to 6
Discover the plant
Common nameBlack spruce
FamilyPinaceae
GenusSpruce
SpeciesMariana
TypeBotanical species
Botanical namePicea mariana
Reproducible seedsYes
Black Spruce (Picea mariana) is a botanical species in the Pinaceae family. Native to North America, it has a narrow, conical coniferous habit and typically reaches 10 to 20 m in height, with a spread of about 3 to 6 m. Its foliage is evergreen.
Plant in full sun in acidic, fresh to moist soil; tolerates bogs and poor soils. Medium to high humidity and good drainage promote consistent root development. Growth is slow. Final dimensions depend on climate, soil, and available space.
This species is suitable for naturalization, wetlands, boreal reforestation, and large gardens. Cones and branches provide food, cover, and nesting sites. When planting, allow sufficient space for a large tree and protect young plants from drying winds and mechanical damage.
Sowing guide
It all startswith a seed.
Sowing depth
To be confirmed per batch
Spacing / density
Expect 3 to 6 m spread at maturity
Germination temperature
To be confirmed according to the batch protocol
Germination time
Variable; batch protocol to be confirmed
Sowing period
According to the batch dormancy protocol
Propagation
Sowing
Growing method
Sow in a fine, clean, and well-drained substrate. As specific dormancy requirements have not been provided by Gaiand, check the batch protocol before sowing. Maintain consistent moisture without waterlogging, place under bright light, and carefully transplant after vigorous seedlings emerge. Gradually acclimate young trees before their final planting. Choose full sun and an acidic, cool to moist soil; tolerates bogs and poor soils. Allow space for a mature height of 10 to 20 m and a spread of 3 to 6 m. Water during the first few seasons, then adjust watering based on drainage and rainfall.
Soil and care
The right care,at the right time.
Soil pH
Acid to neutral depending on species
Care level
Moderated during establishment
Watering
Maintain medium to high humidity during establishment. Water deeply when the soil begins to dry, then space out waterings rather than lightly moistening every day. Avoid standing water and adjust watering to rain, drainage, and temperature.
Soil type
Black spruce prefers acidic, cool to moist soil; tolerates bogs and poor soils. Ensure good drainage, avoid compaction, and keep the root collar level with the ground. A thin organic mulch helps stabilize moisture without touching the trunk directly.
Fertilization
Fertilize only if a soil analysis reveals a deficiency; avoid excess nitrogen.
Moisture
Medium to high
Container growing
A garden,within reach.
Recommended pot size
Deep pot suitable for a young tree; transplant before spiral rooting
Pot culture is best suited for young specimens. Use a deep, well-draining container, then transplant before the roots begin to spiral.
Bloom and dimensions
Its place,in your garden.
Mature height
10 to 20 m
Width / spread
3 to 6 m
Flower color
Non-ornamental
Foliage color
Green
Foliage type
Persistent
Growth rate
Slow
Growth habit
Narrow, conical conifer
Bloom period
Inconspicuous flowers; species cultivated mainly for its shape and foliage.
Fruiting
Seed cones
Harvest
Harvest mature cones only from correctly identified trees
Garden associations
In goodcompany.
Companion plants
Associate with trees and shrubs that have similar light, soil, and moisture requirements.
Frequently asked questions
Your questions,answered.
Where to plant Black Spruce?
Choose a sunny location with enough space for 10 to 20 m in height and 3 to 6 m in spread. The recommended soil is: acidic, cool to moist; tolerates bogs and poor soils.
How to sow Black Spruce?
Use a fine, well-drained substrate, kept moist but not saturated. The exact dormancy treatment should be confirmed according to the Gaiand batch before sowing. Carefully transplant vigorous seedlings and acclimate them before outdoor planting.
What is the growth rate of Black Spruce?
Growth is slow. Actual speed varies with light, climate, fertility, moisture, and root space.
What is Black Spruce suitable for?
Black spruce is suitable for naturalization, wetlands, boreal reforestation, and large gardens. Plan for its adult size and keep it away from infrastructure.
Are Black Spruce seeds reproducible?
Yes. It is a botanical species and the seeds are indicated as reproducible, subject to cross-pollination with compatible nearby taxa.
Wildlife and pets
Life,around your plants.
Attracts birds
Yes
Native plant
Yes
Supporting wildlife
Cones and foliage provide food, cover, and nesting sites.