Hosta 'Robusta' (_glauca_)
giant blue hosta
A perennial forming a large clump of puckered, broad, blue-grey leaves to 20-30cm in length. Lilac-tinged white, bell-shaped flowers in dense racemes on stems to 75cm
Other common names
short-cluster plantain lilySynonyms
Hosta 'Robusta' (_glauca_)Hosta 'Blue Angel' misapplied
see moreHosta 'Blue Sieboldiana Elegans'
Hosta 'Elegans' (_sieboldiana_)
Hosta 'Elegans'
Hosta 'Robusta' (_fortunei_)
Hosta glauca
Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Blue Grey Silver | |||
---|---|---|---|---|
Summer | Purple White | Blue Grey Silver | ||
Autumn | Blue Grey Silver | |||
Winter |
Position
- Partial shade
Aspect
East–facing or North–facing or West–facing
Exposure
Sheltered Hardiness
H7Botanical details
- Family
- Asparagaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- Genus
Hosta are clump-forming herbaceous perennials with simple, ovate or lance-shaped leaves, often attractively coloured or variegated, and erect racemes of nodding, funnel or bell-shaped flowers in early summer
- Name status
Correct
- Plant range
- Japan
How to grow
Cultivation
Grow in fertile, moist but well-drained soil in part shade with shelter from cold, dry winds. See hosta cultivation
Propagation
Propagate by division in late summer or early spring
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Patio and container plants
- Ground cover
- Cut flowers
- Flower borders and beds
- Underplanting of roses and shrubs
Pruning
Remove spent foliage as required and clear up dead foliage when it dies back at the end of the growing season
Pests
Plants in pots may be susceptible to vine weevil. This cultivar is said to be resistant to slugs
Diseases
May be subject to a virus
Get involved
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