H. ‘Ohh! Viola’

AI-generated watercolor illustration of Hosta 'Ohh! Viola' (not a photograph) — AI-generated watercolor illustration by The Hosta Farm — not a photograph of this cultivar. How we use images

Hosta ‘Ohh! Viola’ is a registered cultivar (2015) .

Year registered	2015
Section class	III-3 (Medium)

Overview

Registered in 2015, Hosta 'Ohh! Viola' is a medium-sized cultivar of unknown parentage, distinguished by its green leaves with bright golden yellow, moderately rippled margins. The foliage is ovate with slightly twisted tips and rounded bases, displaying a dull surface on both sides and a semi-upright growth habit.

In the Garden

This cultivar reaches 13 inches (33.0 cm) in height and 24 inches (61.0 cm) in diameter, with a slow growth rate. It is suitable for typical hosta-growing zones, performing best in partial to full shade. The bright golden yellow margins provide contrast in shaded borders, woodland gardens, or as a groundcover; it pairs well with ferns, heucheras, and other shade-tolerant perennials.

Care Notes

Water regularly to maintain consistent soil moisture, especially during dry periods. Apply a balanced, slow-release fertilizer in early spring as new growth emerges. Like most hostas, 'Ohh! Viola' is susceptible to slug and deer damage; monitor and manage as needed.

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	13 in (33 cm)
Clump width	24 in (61 cm)
Leaf length	8 in (20.3 cm)
Leaf width	6 in (15.2 cm)
Vein pairs	10
Leaf	golden yellow moderately rippled margins; dull on top; dull underneath; lightly wavy
Flower scape height	24–34 in (61.0–86.4 cm)
Notable characteristics	bright semi-upright golden yellow

From the American Hosta Society Registry record.

Similar cultivars

Other registered hostas in the same AHS section class (III-3, medium size):

Related guides

Registration data: AHS Registry #4111. How we check this data.