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American alder-leaf birch

American alder-leaf birch

American alder-leaf birch

Betula alleghaniensis

tree☀️ full-sun🪴 moist-loam📏 small🌡️ RHS H7

📋Quick Facts

Height

15.0-25.0m

Spread

8.0-12.0m

Growth

🐢 Slow

Takes time to establish

Water

💧💧 Average watering

Every "7-10" days

About

Useful nitrogen fixer for cool climates.

Top tip
American alder-leaf birch acts as a nitrogen fixer; good in cool, damp locations and mixed plantings.
Also known as: Olsza amerykańska, Aliso americano, Ontano americano, Amerikaanse els, Amieiro-americano, Aulne d’Amérique, Amerikanische Erle, Betula alleghaniensis

Pest Resilience

3/5 — Average

Bronze birch borer can be serious in stressed trees; birch leaf miner common.

The american alder-leaf birch year in your garden

Dispatching imaginary bots to check your garden out...
What to do now

How to Propagate

🌰Seed
Easy
🌰Seed
Easy
🌰Seed
Easy
✂️Cutting
Moderate
🌿Layering
Moderate
🔗Grafting
Advanced
🧪Tissue culture
Advanced

🦋Wildlife & Garden Ecology

Attracts
🦋 Squirrels🐦 Birds🐦 Hummingbirds🦋 Butterflies🦋 Butterfly larvae🦋 Other showy insects

Great for supporting local pollinators and wildlife

Hardiness Zones

H1a (tender)H7 (very hardy)
RHS H7

USDA 4–5 equivalent

Names in Other Languages(7)