General Description | Hosta 'Blue Angel' is a herbaceous perennial with giant, blue-green, wide-oval-shaped leaves and pale lavender to white flowers in a dense racemes sitting atop tall scapes. |
ID Characteristic | Large blue leaves up to 40 x 30 cm. |
Shape | Clump-forming. |
Landscape | Best used in flower borders and beds. |
Propagation | Propagate through division of clumps, although clumps should be left undisturbed for at least 3 years in order to allow the leaves to reach maturity. Plant in spring or (in areas with milder winters) autumn, allowing the roots to soak overnight in a weak solution of liquid fertilizer first. |
Cultivation | Grow in part to full shade, in moderately moist, well-drained, humusy soil. Blue leaves will turn green if grown in full sun. Colour tolerant to some morning sun. It is best to water the soil directly, under the foliage. |
Pests | Slugs and snails can be problematic. They can seriously damage foliage in a fairly short time if left unchecked. Possible, less frequent problems include: leaf spot and crown rot. |
Notable Specimens | The A.M. Cuddy Gardens, Strathroy, Ontario, Canada. Royal Botanical Gardens, Burlington, Ontario, Canada. |
Habitat | Horticultural origin. |
Leaf Description | Thick, dark blue-grey to blue-green, slightly dimpled when mature. Blade measures 40 x 30 cm. |
Flower Description | Open funnel-shaped, long-lasting, palest lavender to white, on a stout, upright, leafy, 1.2 m scape. Attracts hummingbirds. |