ALNUS RUGOSA / SPECKLED ALDER

ALNUS RUGOSA / SPECKLED ALDER

A Hardy, Fast-Growing Shrub for Moist Landscapes

Alnus rugosa, commonly known as Speckled Alder, is a fast-growing, multi-stemmed shrub or small tree known for its tolerance to wet conditions and ability to improve soil health. It thrives in riparian zones, wetlands, and moist woodland edges, making it an excellent choice for erosion control and habitat restoration. The plant's smooth, grayish-brown bark is speckled with white lenticels, giving it a distinctive appearance year-round.

Why Choose Speckled Alder?

• Soil Enrichment: Fixes nitrogen, improving soil fertility.
• Erosion Control: Ideal for stabilizing riverbanks and wetland edges.
• Wildlife Habitat: Provides food and shelter for birds and pollinators.
• Fast Growth: Quickly establishes itself in landscapes.

Key Features:

• Foliage: Dark green, ovate leaves with serrated edges.
• Bark: Smooth, grayish-brown with white speckles.
• Height and Spread: 10–20 feet tall, 10–15 feet wide.
• Hardiness: USDA Zones 3–7.
• Sunlight: Full sun to partial shade.
• Soil Requirements: Prefers moist, well-drained to wet soils.

Specifications:

• Growth Habit: Multi-stemmed, upright.
• Flowering: Produces yellow-brown catkins in early spring before leaf-out.
• Fruiting: Small, cone-like structures persist through winter.
• Wildlife Benefit: Attracts birds, butterflies, and beneficial insects.

Ideal Uses:

• Riparian Buffer Plantings – Stabilizes streambanks and prevents erosion.
• Wetland Restoration – Thrives in low-lying, moist areas.
• Wildlife Gardens – Supports native biodiversity.
• Naturalized Plantings – Perfect for woodland edges and meadows.

Speckled Alder is a resilient and beneficial native shrub that enhances landscapes while supporting wildlife and soil health.

• NATIVE TO ONTARIO