H. ‘Johanne’
Hosta ‘Johanne’ is a registered cultivar () , originated by C. Ellyson & P. Ruh.
| Year registered | 1989 |
|---|---|
| Registrant | C. Ellyson & P. Ruh |
| Section class | III-2 (Medium) |
Overview
Registered in 1989 by C. Ellyson and P. Ruh, Hosta 'Johanne' is a medium-sized cultivar of unknown parentage. It is visually distinctive for its blue-green leaves with blue-green margins and prominent veining, forming a compact, mounded habit.
In the Garden
'H Johanne' reaches a mature diameter of 19 inches (48.3 cm) and a height of 11 inches (27.9 cm), making it suitable for mid-border positions or as a groundcover in partial to full shade. Its blue-green foliage pairs well with yellow- or gold-leaved hostas or fine-textured ferns. The 17.5-inch (44.5 cm) scapes produce lavender flowers in midsummer, adding vertical interest.
Care Notes
Plant in well-drained, organic-rich soil and water regularly during dry periods. Fertilize in early spring with a balanced, slow-release formulation. Like most blue-green hostas, 'Johanne' is moderately resistant to slugs but may require protection in damp conditions. Deer may browse foliage in early spring.
This summary was generated with AI from the registry record and has not been reviewed yet; the registry data on this page is the reference. How we use AI.
Size and leaf
| Clump height | 11 in (27.9 cm) |
|---|---|
| Clump width | 19 in (48.3 cm) |
| Leaf length | 7 in (17.8 cm) |
| Leaf width | 5.5 in (14 cm) |
| Vein pairs | 12 |
| Flower scape height | 17.5 in (44.5 cm) |
From the American Hosta Society Registry record.
Similar cultivars
Other registered hostas in the same AHS section class (III-2, medium size):
- H. ‘Bruce's Blue’ (1991)
- H. ‘Linde’ (1987)
- H. ‘Catherine Ann’ (1999)
- H. ‘Purple Rain’ (2008)
- H. ‘Abiqua Drinking Gourd’ (1989)
- H. ‘Zager Giant Puckered’ (1989)
Related guides
Registration data: AHS Registry #2888. How we check this data.