Hosta 'Blue Angel' (Blue Angel Hosta, Blue Angel Plantain Lily)


Botanical Information

FamilyAsparagaceae
GenusHosta
Cultivar'Blue Angel'
SynonymsHosta sieboldiana 'Blue Angel'
CategoryPerennials
OriginP. Aden 1986. (H. 'Aden 365' x H. 'Aden 361'): a sieboldiana hybrid.

Details

USDA Hardiness Zone3 - 8
USDA Hardiness Ref.
Canadian Hardiness Zone1a - 8a
Canada Hardiness Ref.
RHS Hardiness ZoneH4 - H7
RHS Hardiness Ref.
Temperature (°C)-40 - (-7)
Temperature (°F)-40 - 20
Height90 cm
Spread150 cm
GrowthMedium
Flowering PeriodJuly, August

Description and Growing Information

General DescriptionHosta '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 CharacteristicLarge blue leaves up to 40 x 30 cm.
ShapeClump-forming.
LandscapeBest used in flower borders and beds.
PropagationPropagate 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.
CultivationGrow 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.
PestsSlugs 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 SpecimensThe A.M. Cuddy Gardens, Strathroy, Ontario, Canada. Royal Botanical Gardens, Burlington, Ontario, Canada.
HabitatHorticultural origin.
Leaf DescriptionThick, dark blue-grey to blue-green, slightly dimpled when mature. Blade measures 40 x 30 cm.
Flower DescriptionOpen funnel-shaped, long-lasting, palest lavender to white, on a stout, upright, leafy, 1.2 m scape. Attracts hummingbirds.

Photographs