H. ‘Final Summation’

Hosta 'Final Summation'
Illustration: The Hosta Farm Editorial Team.

Hosta ‘Final Summation’ is a registered cultivar () .

Year registered2008
Section classI-6a (Giant)

Overview

A giant sport of *Hosta* 'Sum and Substance' registered in 2008, 'Final Summation' is distinguished by its blue-green leaves with broad, dark green margins of variable width up to 1.25 inches (3.2 cm). The nearly round, moderately cupped leaves exhibit a golden yellow center with slightly rippled, dark green borders, a slightly shiny upper surface, and a glaucous bloom beneath.

In the Garden

'Final Summation' forms a substantial mound 20 inches (50.8 cm) tall and 60 inches (152.4 cm) in diameter, with a moderate growth rate. It performs best in partial to dappled shade, typical for blue-leaved hostas, and benefits from protection from intense afternoon sun to prevent leaf scorch. Its large scale makes it suitable as a specimen or focal point in woodland borders and shade gardens, where it pairs well with ferns, astilbes, and other shade-tolerant perennials.

Care Notes

Provide consistent moisture, especially during dry periods, and apply a balanced fertilizer in early spring as new growth emerges. Like most large-leaved hostas, it is susceptible to slug and deer damage, and may require protective measures in areas where these pests are prevalent.

Size and leaf

Clump height20 in (50.8 cm)
Clump width60 in (152.4 cm)
Leaf length16 in (40.6 cm)
Leaf width12 in (30.5 cm)
Vein pairs13
Leafgolden yellow with 1.25in (3.2cm) wide, dark green, slightly rippled margins; slightly shiny on top; glaucous bloom underneath; moderately cupped, lightly wavy
Flower scape height40–42 in (101.6–106.7 cm)
Notable characteristicsdark green margined H. 'Sum and Substance' sport, variable margin up to 1.25 inch

From the American Hosta Society Registry record.

Parentage

Registered cultivars that list Hosta ‘Final Summation’ as a parent:

Similar cultivars

Other registered hostas in the same AHS section class (I-6a, giant size):

Related guides

Registration data: AHS Registry #1757