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Northwest Blooms · Perennials

Hosta 'Canadian Blue'

Canadian Blue Hosta

Hosta 'Canadian Blue'
Family
Asparagaceae
Height
18–24 inches
Width
24–36 inches
Flower color
Pale lavender to white, bell-shaped
Foliage color
Deep blue-green, heart-shaped leaves with a waxy surface
Bloom time
Mid to late summer
Light
Partial to full shade; best color achieved in full shade
Water
Moderate
Maintenance
Low; slug-resistant due to thick foliage
Growing zone
USDA zones 3–9
Wildlife
Attracts hummingbirds

About this plant

Hosta 'Canadian Blue' is a shade-loving perennial known for its powdery blue foliage that maintains its cool-toned hue throughout the growing season. Its broad, heart-shaped leaves have a slightly corrugated texture, adding depth and dimension to the garden. In mid to late summer, tall flower stalks emerge, producing pale lavender blooms that attract pollinators.

'Canadian Blue' retains its blue tones longer than many other blue-leaved hostas, even in warmer climates where some varieties tend to fade to green. Its thick leaves provide better resistance to slugs, making it a durable choice for woodland gardens and shaded borders. With its cool-toned foliage and elegant summer blooms, this hosta adds a calming presence to any landscape.

Works well in

Borders · Shade Gardens · Woodland Gardens · Hummingbird Gardens · Containers

Companion plants

Heucheras · Siberian bugloss · Sweet woodruff · Foamflowers · Epimediums · Bleeding hearts

Design tip

The long summer show pairs well with plants that peak earlier, keeping one area interesting for months. Keep it out of hot afternoon sun and layer it with woodland companions for a full, settled look.