H. ‘Cosmic Sister’
Hosta ‘Cosmic Sister’ is a registered cultivar () .
| Year registered | 2006 |
|---|---|
| Section class | II-7 (Large) |
Last checked against the AHS registry:
Overview
'Cosmic Sister' was registered in 2006 by R. Kuenster of Iowa City, Iowa, credited as originator, namer, introducer and registrant. It came from 'Dorothy Benedict' crossed with a 'Dorothy Benedict' seedling. The leaf is streaked greenish-white and greenish-yellow, 9 in (22.9 cm) by 7.5 in (19.1 cm), with 13 to 15 vein pairs; the registrant described very large streaks of color running through the leaf.
In the Garden
The original seedling was measured at six years old: a mound 32 in (81.3 cm) across and 16 in (40.6 cm) high. Pure white tubular flowers open from late June into early July on scapes of 18 to 20 in. The seed entry says it sets viable seed in streaked yellow and white pods.
How it compares
'Dorothy Benedict', the parent, is a 1983 plant registered much smaller, at 14 in across and 9 in high, with blue green leaves streaked and mottled gold. Its leaf is 6 by 6 in against 9 by 7.5 in. Pick it if a blue-green base color matters more than leaf size; 'Cosmic Sister' has the bigger leaf, streaked greenish-white and greenish-yellow.
'Stars and Stripes' (2000) is a streaked plant registered smaller: a mound 26 in across and 12 in high with a moderate growth rate, with a medium blue-green, streaked leaf 5.5 by 4.5 in carrying a glaucous bloom on top. It also produces streaked pods.
'Lodikito' (2013) streaks a dark green leaf with pale yellow and cream, 6 by 4.25 in, on a mound registered at 23 in across and 14 in high with a moderate growth rate, and it sets viable seed.
'Quesadilla' is a streaked plant with a fast registered growth rate, registered at 45 in across, but its seed entry says it rarely sets seed. Its pure white flowers are recorded from mid-August to early September.
Care Notes
Whether the streaking holds after division is not recorded, so there is no assurance that a divided piece will match the original clump. Routine care is in the hosta care guide.
Sources: AHS Registry records for 'Cosmic Sister' (#1207), 'Dorothy Benedict' (#1481), 'Stars and Stripes' (#5374), 'Lodikito' (#3489) and 'Quesadilla' (#4532), hostaregistrar.org.
Size and leaf
| Clump height | 16 in (40.6 cm) |
|---|---|
| Clump width | 32 in (81.3 cm) |
| Leaf length | 9 in (22.9 cm) |
| Leaf width | 7.5 in (19.1 cm) |
| Vein pairs | 15 |
| Leaf | streaked greenish-white and greenish-yellow flat margins; dull on top; dull underneath |
| Flower scape height | 18–20 in (45.7–50.8 cm) |
| Notable characteristics | very large streaks of color run through the leaf |
From the American Hosta Society Registry record.
Parentage
- Pod parent: H. 'Dorothy Benedict' — H. ‘Dorothy Benedict’
- Pollen parent: H. 'Dorothy Benedict' seedling — H. ‘Dorothy Benedict’
Registered cultivars that list Hosta ‘Cosmic Sister’ as a parent:
- H. ‘Cosmic Baby’ (seedling (pollen parent))
Similar cultivars
Other registered hostas in the same AHS section class (II-7, large size):
- H. ‘Justice’ (2003)
- H. ‘Quesadilla’ (2010)
- H. ‘Cosmic Hippie’ (2006)
- H. ‘Fudge Ripple’ (2006)
- H. ‘Athena’ (2005)
- H. ‘Birth of the Blues’ (2005)
Related guides
Registration data: AHS Registry #1207. How we check this data.