H. ‘Mastodon’
Hosta ‘Mastodon’ is a registered cultivar () , originated by AHS, K. Walek.
| Year registered | 2009 |
|---|---|
| Registrant | AHS, K. Walek |
| Section class | I-2 (Giant) |
Overview
Registered in 2009 by K. Walek of the American Hosta Society, 'Mastodon' is a giant blue-green hosta resulting from a cross between H. 'Polly Bishop' and H. 'Blue Lace'. Its most distinctive features are the exceptionally large, broadly ovate leaves with cordate bases, medium blue-green coloration, pronounced corrugation, and a glaucous bloom on both leaf surfaces.
In the Garden
'Mastodon' reaches a mature spread of 56 inches (142.2 cm) and a height of 25 inches (63.5 cm), forming a semi-upright to mounded clump. It performs best in partial to full shade, as is typical for blue-leaved hostas, where its glaucous bloom persists longest. Its substantial size makes it suitable as a specimen or background plant in shaded borders, paired with ferns, Astilbe, or Hakonechloa.
Care Notes
Water regularly during dry periods to maintain leaf turgor and corrugation. Apply a balanced, slow-release fertilizer in early spring as new shoots emerge. Like most hostas, 'Mastodon' is susceptible to slug and deer damage; monitor accordingly 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 | 25 in (63.5 cm) |
|---|---|
| Clump width | 56 in (142.2 cm) |
| Leaf length | 14 in (35.6 cm) |
| Leaf width | 11 in (27.9 cm) |
| Vein pairs | 18 |
| Leaf | medium blue-green slightly rippled margins; glaucous bloom on top; glaucous bloom underneath; corrugated |
| Flower scape height | 33 in (83.8 cm) |
From the American Hosta Society Registry record.
Parentage
- Pod parent: H. 'Polly Bishop' — H. ‘Polly Bishop’
- Pollen parent: H. 'Blue Lace' — H. ‘Blue Lace’
Similar cultivars
Other registered hostas in the same AHS section class (I-2, giant size):
- H. ‘Gentle Giant’ (2005)
- H. ‘Abiqua Elephant Ears’ (1999)
- H. ‘Kong’ (1990)
- H. ‘Helen Doriot’ (1982)
- H. ‘Krossa Regal’ (1980)
- H. ‘Alligator Hide’ (2009)
Related guides
Registration data: AHS Registry #3678. How we check this data.