For a cool blue layer in your shade garden's palette, consider the lush, gently rippled 'Diamond Lake.' This giant hosta forms a 5-foot-wide mound of elegant blue-green. Pale violet flowers on bowing stems arc over the foliage in summer.
Scientific Name: Hosta 'Diamond Lake' PP 30769
Common Name: Diamond Lake Hosta, Shadowland Diamond Lake Hosta
Garden Size: 22-30 inches tall by 48-69 inches wide; scape height 25-28 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
Foliage: Giant, heart-shaped, blue-green leaves with a heavily corrugated texture and rippled margins. The leaves are covered in a frosty glaucous bloom that gives them their blue coloring.
Flowers: Pale lavender, tube-shaped flowers that grow on bowing scapes above the foliage. Blooms early to mid 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 (Large Leaved, Blue)
Parentage: Hybrid of (Unknown x H. ‘Niagara Falls’) x (H. ‘Neptune’ x H. ‘Fulda’)
Notes: Part of the Shadowland collection of hostas from Proven Winners.