H. ‘Colossal’
Hosta ‘Colossal’ is a registered cultivar () , originated by R. Savory.
| Year registered | 1977 |
|---|---|
| Registrant | R. Savory |
| Section class | II-1 (Large) |
Overview
Registered in 1977 by R. Savory, this large variegated cultivar forms a substantial mound of foliage with dark green leaf margins. The leaves measure 11 inches (27.9 cm) long by 9 inches (22.9 cm) wide, with 12 vein pairs, and the plant reaches 28 inches (71.1 cm) in height with a spread of 48 inches (121.9 cm). The scape height is recorded as 35 inches (88.9 cm), though the parentage remains unknown.
In the Garden
'Hosta 'Colossal' is suited to partial to full shade, where its large leaves create a bold textural presence. At maturity it forms a clump nearly 4 feet (1.2 m) across, making it appropriate for the middle to back of a border or as a specimen in a woodland garden. It pairs well with ferns, astilbes, and other shade-tolerant perennials that contrast with its broad foliage.
Care Notes
Provide consistent moisture during dry periods, particularly in the first growing season. Apply a balanced fertilizer in early spring as shoots emerge. Slugs and deer may damage foliage, so monitoring and protective measures are advisable 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 height | 28 in (71.1 cm) |
|---|---|
| Clump width | 48 in (121.9 cm) |
| Leaf length | 11 in (27.9 cm) |
| Leaf width | 9 in (22.9 cm) |
| Vein pairs | 12 |
| Flower scape height | 35 in (88.9 cm) |
From the American Hosta Society Registry record.
Parentage
Registered cultivars that list Hosta ‘Colossal’ as a parent:
- H. ‘Cathy's Splender’ (seedling (pod parent))
Similar cultivars
Other registered hostas in the same AHS section class (II-1, large size):
- H. ‘Pioneer’ (1984)
- H. ‘Nakaimo’ (1986)
- H. ‘Willy Nilly’ (1996)
- H. ‘Foxfire Irish Moon’ (2003)
- H. ‘Green Saucers’ (1977)
- H. ‘Green Wedge’ (1976)
Related guides
Registration data: AHS Registry #1132. How we check this data.