H. ‘Captain Atom’

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

Hosta ‘Captain Atom’ is a registered cultivar () .

Year registered1999
Section classV-7 (Miniature)

Overview

A sport of Hosta 'Surprised by Joy' registered in 1999, 'Captain Atom' is a miniature cultivar distinguished by its small green leaves with white margins that are streaked with green. The leaf blades are slightly rippled, with a rounded base and a slight sheen on both surfaces.

In the Garden

'Captain Atom' reaches a mature diameter of approximately 9 inches (22.9 cm) and a height of 3.5 inches (8.9 cm), forming a compact, mound-like habit. Its small size and moderate growth rate make it well suited for troughs, rock gardens, or the front of a shaded border. It pairs effectively with other miniature hostas or small woodland perennials such as Heuchera or Tiarella.

Care Notes

Provide consistent moisture, particularly during dry periods, and apply a balanced fertilizer in early spring as new growth emerges. Like most hostas, 'Captain Atom' is susceptible to slug and deer damage in typical hosta-growing zones.

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 height3.5 in (8.9 cm)
Clump width9 in (22.9 cm)
Leaf length2.25 in (5.7 cm)
Leaf width1.25 in (3.2 cm)
Vein pairs4
Leafwhite streaked with green slightly rippled margins; slightly shiny on top; slightly shiny underneath
Flower scape height8–9 in (20.3–22.9 cm)

From the American Hosta Society Registry record.

Parentage

Registered cultivars that list Hosta ‘Captain Atom’ as a parent:

Similar cultivars

Other registered hostas in the same AHS section class (V-7, miniature size):

Related guides

Registration data: AHS Registry #908. How we check this data.