H. ‘Cosmic Joy’
Hosta ‘Cosmic Joy’ is a registered cultivar () .
| Year registered | 2012 |
|---|---|
| Section class | II-5b (Large) |
Overview
Registered in 2012, 'Cosmic Joy' is a large hosta cultivar resulting from a cross between *H.* 'Fudge Ripple' and *H.* 'Beer Belly Blues'. It is visually distinguished by its dark green, heavily corrugated leaves with narrow, bright yellow, heavily rippled margins, and a moderately cupped, lightly twisted, and folded leaf blade.
In the Garden
'Cosmic Joy' forms a dense, mound-like clump reaching 20 inches (50.8 cm) in height and 42 inches (106.7 cm) in diameter, with a moderate growth rate. It performs best in partial to full shade, typical of most hostas, and is well-suited as a specimen or accent plant in shaded borders and woodland gardens. Its substantial size and bold leaf texture pair effectively with finer-textured shade perennials such as ferns, astilbes, or heucheras.
Care Notes
Provide consistent moisture, especially during dry periods, and apply a balanced fertilizer in early spring as new growth emerges. Like many large-leaved hostas, 'Cosmic Joy' may require protection from slugs and snails, and deer browsing can be a concern in some areas.
Size and leaf
| Clump height | 20 in (50.8 cm) |
|---|---|
| Clump width | 42 in (106.7 cm) |
| Leaf length | 11.5 in (29.2 cm) |
| Leaf width | 6.75 in (17.1 cm) |
| Vein pairs | 13 |
| Leaf | dark green with .5in (1.3cm) wide, yellow, heavily rippled margins; slightly shiny on top; slightly shiny underneath; moderately cupped, lightly twisted, lightly folded, moderately corrugated |
| Flower scape height | 26–30 in (66.0–76.2 cm) |
| Notable characteristics | corrugated with a nice thin leaf edge |
From the American Hosta Society Registry record.
Parentage
- Pod parent: H. 'Fudge Ripple' — H. ‘Fudge Ripple’
- Pollen parent: H. 'Beer Belly Blues' — H. ‘Beer Belly Blues’
Similar cultivars
Other registered hostas in the same AHS section class (II-5b, large size):
- H. ‘Andy Murray’ (2013)
- H. ‘August Beauty’ (2009)
- H. ‘Afternoon Delight’ (2003)
- H. ‘Arc de Triomphe’ (2000)
- H. ‘Band of Gold’ (1999)
- H. ‘Blue River’ (1998)
Related guides
Registration data: AHS Registry #1184