This regal blue-green hosta has an upright, vase-like habit. Sturdy petioles raise the gently undulating leaves well above the soil, making room for smaller plants to grow around its base. Lavender flowers crown the foliage in summer.

Scientific Name: Hosta 'Krossa Regal'

Common Name: Krossa Regal Hosta

Garden Size: 33-40 inches tall by 36-72 inches wide; scape height 48-72 inches

Growth Rate: Most hostas have a moderate to fast growth rate.

USDA Zone: 3-9

Exposure: Partial to full shade

Water & Soil: Moist, well-drained soil

Habit (Form): Mounding, Upright

Foliage: Frosty, blue-green foliage growing in an upright, vase-shaped clump. The leaves are heart-shaped and deeply veined with wavy edges. Sturdy, nearly vertical petioles lift the leaves well off the ground.

Flowers: Lavender, tube-shaped flowers that grow on scapes above the foliage. Blooms mid to late summer.

Plant Origin: East Asia, primarily Japan and Korea. Most commercially available hostas are hybrids.

Wildlife Support: Hummingbirds and some bees enjoy the flowers. A favorite treat for our local deer.

Fertilizing: Apply compost in early spring before new growth emerges.

Pruning: Remove spent flower stalks to encourage new growth; trim back damaged or yellowing leaves as needed. Leave the leaves over the winter and wait until early spring to clean up.

ASPCA Toxicity flags (see their site for details): Toxic to dogs, cats, and horses

Uses: Ideal for shade gardens, woodland borders, and container plantings.

AHS Classification: I-2 (Green Leaved, Blue)

Parentage: Hybrid of H. nigrescens