Black Alder Seeds (Alnus glutinosa) – Alder Tree Seeds

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$16.49
$16.49
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Black Alder Seeds (Alnus glutinosa) produce deciduous trees known for fast growth and dense foliage. These trees grow well in sunny to partially shaded locations with moist, well-drained soil. Suitable for landscape planting, water edges, and outdoor environments, black alder develops upright trunks and spreading branches during the growing cycle. The plant adapts to wet soil conditions and maintains steady seasonal growth. These seeds are suitable for gardeners interested in growing deciduous trees for landscape planting and outdoor environments.
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Black Alder Seeds (Alnus glutinosa) – Alder Tree Seeds

$16.49

Planting Season

Spring Autumn

Light Requirement

Full Partial

Plant Height

15–25 m

Indoor/Outdoor

Outdoor Plant
Planting Information
Life Cycle Perennial Tree
Plant Characteristics Fast Growth
Plant Type Tree Plant
Flavour Profile Not Edible
Life Perennial Tree
Germination Time 15–30 Days
Fruit Size Cone Small
Soil Type Moist Loam
Soil pH 5.5–7.5
Spacing Between Plants 5–7 m
Watering Needs Regular Water
Harvest Time Not Applicable
Bloom Season Spring Season
Seeds per Pack 70
Seed Type Tree Seeds
Yield Potential Large Canopy
GTIN 36002082072

Sow seeds on moist soil surface and lightly cover. Maintain consistent moisture and place in bright outdoor conditions.

Provide full to partial sunlight and moist soil. Ensure adequate space for tree growth and canopy development.

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Frequently Asked Questions

Everything you need to know before you sow.

Can black alder tolerate wet soil?

Yes. It naturally occurs in moist soils and can suit appropriate wetland edges.

Can alder be used near a pond?

Its moisture tolerance can make it suitable for pond margins where mature size is planned.

How large can black alder become?

It can become a substantial tree, so allow generous vertical and lateral space.

Why are alder roots notable?

Alder roots associate with nitrogen-fixing bacteria, contributing nitrogen to the soil system.

What does alder foliage look like?

The leaves are generally rounded to oval, creating a dense green canopy.

What are alder catkins?

Male catkins hang from branches while smaller female structures develop nearby.

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