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European Alder

Alnus glutinosa

Category: Deciduous Tree • Alder

European Alder is a versatile tree suitable for wet areas, known for its nitrogen-fixing ability and attractive catkins.

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Mature Height: 40-60 feet
Mature Width: 20-40 feet
Light: Part Sun/Part Shade
Zone: Zones 4-8
Maintenance: Low
Growth Rate: Moderate
Season of Interest: Multi-season
Foliage: Deciduous

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Bold Outdoors Verified Insight

Designed & Reviewed by

Josh Graber

Owner and Landscape Designer · Kansas State University · 25+ Years Experience

B.S. in Horticulture and Landscape Design – Kansas State University

25+ years of industry experience

Description

The European Alder is a medium-sized tree that flourishes in wet environments. It features rounded leaves and produces catkins for its flowers. This tree is known for its ability to thrive in less fertile soils due to a beneficial relationship with a specific bacterium.

Ideal Conditions

Prefers wet conditions and can tolerate poor soil quality. Thrives in full sun to partial shade.

Soil Preferences

Requires well-drained to wet soils, adaptable to various pH levels.

Sun Needs

Part Sun/Part Shade

Landscape Guidance

Landscape Use

specimenscreening

Special Features

Nitrogen-fixing capabilitiesattractive catkins.

Wildlife Value

Provides habitat and food for various wildlife, including birds.

Resistance / Tolerance

Tolerates wet conditions and poor soil quality.

Notes from Our Designer

Ideal for wetland areas and along water bodies. Provides good habitat for wildlife.

Maintenance Notes

Low

Complementary Plants

Plants That Pair Well in the Landscape

Selected using botanical relationships, growing conditions, color harmony, size, texture, season, and landscape use.

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Helpful Next Steps

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Frequently Asked Questions

Is European Alder a good fit for Kansas City landscapes?

That depends on sun exposure, moisture, spacing, and how the plant will be used in the overall design.

How should homeowners use this plant information?

Use the plant profile as a planning tool for size, conditions, and visual role, then connect it to the broader landscape design plan.

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