H. ‘Rosedale Tractor Seat’
Hosta ‘Rosedale Tractor Seat’ is a registered cultivar () .
| Year registered | 1999 |
|---|---|
| Section class | I-1 (Giant) |
Overview
Registered in 1999, 'Rosedale Tractor Seat' is a giant hosta cultivar produced from a cross between *H.* 'Galaxy' (pod parent) and *H.* 'Elegans' (pollen parent). It is visually distinctive for its exceptionally large, heavily textured blue-green leaves with medium green margins, a prominent glaucous bloom on both surfaces, and an upright, mounded growth habit.
In the Garden
This cultivar reaches a mature size of approximately 30 inches (76.2 cm) in height and 50 inches (127.0 cm) in diameter, with a slow growth rate. It performs best in partial to full shade, typical of hosta-growing zones, and is well-suited as a specimen plant or as a bold accent in the middle to back of a shaded border. Its substantial foliage pairs effectively with ferns, astilbes, and other shade-tolerant perennials; due to its giant size, it is not suitable for containers.
Care Notes
Provide consistent moisture, especially during dry periods, and apply a balanced fertilizer in early spring as new growth emerges. Slugs and deer may damage the foliage; regular monitoring and appropriate deterrents are recommended.
Size and leaf
| Clump height | 30 in (76.2 cm) |
|---|---|
| Clump width | 50 in (127 cm) |
| Leaf length | 14 in (35.6 cm) |
| Leaf width | 12 in (30.5 cm) |
| Vein pairs | 17 |
| Leaf | glaucous bloom on top; glaucous bloom underneath |
| Flower scape height | 19–22 in (48.3–55.9 cm) |
From the American Hosta Society Registry record.
Parentage
- Pod parent: H. 'Galaxy' — H. ‘Galaxy’
- Pollen parent: H. 'Elegans'
Similar cultivars
Other registered hostas in the same AHS section class (I-1, giant size):
- H. ‘Green Dragonet’ (1999)
- H. ‘Centennial’ (1996)
- H. ‘Elata’ (2002)
- H. ‘Irish Hills’ (1996)
- H. ‘Komodo Dragon’ (2004)
- H. ‘King James’ (1992)
Related guides
Registration data: AHS Registry #4834