H. ‘Slightly Royal’
Hosta ‘Slightly Royal’ is a registered cultivar () .
| Year registered | 2004 |
|---|---|
| Section class | III-4b (Medium) |
Overview
Registered in 2004, 'Slightly Royal' is a sport of *Hosta* 'Royal Standard' distinguished by its green leaves with pure white margins. This medium-sized cultivar forms a fast-growing, mound-like clump reaching 24 inches (61.0 cm) in diameter and 18 inches (45.7 cm) in height.
In the Garden
'Slightly Royal' performs best in partial to full shade, typical for variegated hostas, where its white margins remain crisp without scorching. The 9-inch (22.9 cm) ovate leaves have flat, slightly shiny surfaces and 0.25-inch (0.6 cm) wide white margins, creating a bright accent in shaded borders or woodland gardens. Its medium stature suits middle-border placement alongside ferns, astilbes, or other shade-tolerant perennials.
Care Notes
Provide consistent moisture during establishment and throughout dry periods; apply a balanced slow-release fertilizer in early spring as new growth emerges. Like most hostas, 'Slightly Royal' is susceptible to slug and deer damage, requiring protection in areas where these pests are prevalent.
Size and leaf
| Clump height | 18 in (45.7 cm) |
|---|---|
| Clump width | 24 in (61 cm) |
| Leaf length | 9 in (22.9 cm) |
| Leaf width | 5 in (12.7 cm) |
| Vein pairs | 9 |
| Leaf | green with .25in (0.6cm) wide, pure white, flat margins; slightly shiny on top; slightly shiny underneath; flat |
| Flower scape height | 31–35 in (78.7–88.9 cm) |
| Notable characteristics | white margined Royal Standard |
From the American Hosta Society Registry record.
Parentage
- Sport parent: Sport of H. 'Royal Standard' — H. ‘Royal Standard’
Similar cultivars
Other registered hostas in the same AHS section class (III-4b, medium size):
- H. ‘El Niño’ (2003)
- H. ‘Applause’ (2006)
- H. ‘Quiet Waters’ (2008)
- H. ‘Lakeside Beloved’ (1999)
- H. ‘Oshima Silk’ (2009)
- H. ‘Aristocrat’ (1997)
Related guides
Registration data: AHS Registry #5210