H. ‘Crossing the Rubicon’
Hosta ‘Crossing the Rubicon’ is a registered cultivar () .
| Year registered | 2009 |
|---|---|
| Section class | III-3 (Medium) |
Overview
Registered in 2009 as a sport of *Hosta* 'Mark Anthony', 'Crossing the Rubicon' is a medium-sized cultivar distinguished by its green leaves with golden yellow margins. The broadly ovate leaves, measuring 7 inches (17.8 cm) long and 5 inches (12.7 cm) wide, feature 12 to 13 vein pairs and a cordate base, forming a dense, mound-like habit.
In the Garden
'Crossing the Rubicon' reaches a mature diameter of 26 inches (66.0 cm) and a height of 14 inches (35.6 cm), with a slow growth rate. It performs best in partial to full shade, where the golden margins remain most vibrant, and pairs well with other shade perennials such as ferns, *Heuchera*, or *Tiarella*. Its compact size and mounded form make it suitable for border fronts, woodland gardens, or shaded rock gardens.
Care Notes
Provide consistent moisture, especially during dry periods, and apply a balanced fertilizer in early spring as new growth emerges. This cultivar is susceptible to slug damage; monitor foliage regularly and use appropriate controls if needed.
Size and leaf
| Clump height | 14 in (35.6 cm) |
|---|---|
| Clump width | 26 in (66 cm) |
| Leaf length | 7 in (17.8 cm) |
| Leaf width | 5 in (12.7 cm) |
| Vein pairs | 13 |
| Flower scape height | 20 in (50.8 cm) |
From the American Hosta Society Registry record.
Parentage
- Sport parent: Sport of H. 'Mark Anthony' — H. ‘Mark Anthony’
Similar cultivars
Other registered hostas in the same AHS section class (III-3, medium size):
- H. ‘Glen Fetish’ (2008)
- H. ‘Cup of Joy’ (2011)
- H. ‘World Cup’ (2006)
- H. ‘Lydia Scheu’ (1999)
- H. ‘Aladdin's Lamp’ (1996)
- H. ‘August Moon’ (1996)
Related guides
Registration data: AHS Registry #1267