MyHostas - the site for the Hostaholic

HostaBlue Mammoth


Originator(s)Paul Aden/Pete & Jean Ruh 2010

Originsieboldiana hybrid

Size categorygigantic

Plant height x width85x150 cm (33x59 in.)

Leaf length x width33x28 cm (13x11 in.)

Vein pairs18

Leaf colorblue-green


Leafheavy, corrugated



Scape height75 cm (30 in.)

Flowernear white

Flower length4 cm (1.6 in.)


Flowering periodJuly





Info48" tall. Part Sun to Light Shade.
This Aden introduction is one of the largest hostas that we grow. Each stately giant clump of heavily textured puckered blue leaves will reach nearly 5' in width. In late spring, the clump is topped with light lavender flowers!
Makes a huge mound of slug-resistant, deep blue foliage; white flowers.
A sieboldiana hybrid, one of the largest blue leaved cultivars available. The leaves are lighter blue than most of this type, nicely puckered, with lots of substance. Pale lavender flowers.
Huge mound of heavily corrugated blue leaves, heavy substance, near white flowers
natural divisions.
Rapid growing powdered blue giant; excellent as specimen plant. Best in 35% shade but will tolerate 85% sun.

Sports'Andrew' sport/wb
'Blue Delight' sport/gg
'Bud is Wiser' sport/wg
'Cory's Beauty' sport/gw
'Woolly Mammoth' sport/gy

Progeny'Flemish Master' = (x 'Dorothy Benedict') x PP
'Streets of Gold' = PP x 'Golden Medaillon'