MyHostas - the site for the Hostaholic

Hostanigrescens

Statusspecies

Originator(s)Fumio Maekawa 1937/AHS 1993

OriginJapan

Size categorylarge

Plant height x width75x170 cm (30x67 in.)

Leaf length x width30x24 cm (12x9 in.)

Vein pairs13-14

Leaf colorblue-green>dark green

Variegation 

Leafthick, cupped, corrugated

Petiole 

Scape 

Scape height135 cm (53 in.)

Flowerpale lavender,funnel

Flower length7 cm (2.8 in.)

Fragrant 

Flowering periodJuly - August

Fertilelimited/difficult

Pod 

Ploidy 

Patents 

Info='Kuro'.
JN:Kuro Giboushi="black hosta", a reference to the dark new shoots.
Alex J. Summers Distinguished Merit Hosta 1997[Clyde Crockett].
Grey/green, very upright habit. The tallest flower scapes of any hosta we've seen (7-8' is possible in a mature clump).
Pale lavender flowers in August. This is the parent of 'Krossa Regal'.
Ashy grey over dark blue green above, glaucous underneath.
Leather leaves in a vase shaped clump.
Near white flowers on 60" scapes.
Large, ashy grey vase shaped clumps. 6-7 foot bloom scapes.
Specimen. 40-90% shade.
Ashy gray-blue, upright habit w/arching but erect leaves, heavy texture; white flwrs.
Large upright, vase-shaped plants with gray-green, leathery leaves, slightly cupped. Pale lavender flowers in mid-summer. A mature clump can have flowers up to 5-7' tall and is truly magnificent. Lavender flowers.
Ashy gray leaf, upright habit. Choice! Tall bloom scapes bear soft lavender flowers.
Large, handsome plant, bluish-green to green, cupped and corrugated leaves, bloom scape grows to five feet. A species.

Sports

Progeny'Allegan Emperor' hybrid
'Dream Boat' seedling
'Flower Power' = PP x plantaginea
'Garnet Prince' = PP x
'Green Wedge' hybrid
'Hanjas Grandfather' seedling
'John Wargo' seedling
'Krossa Regal' seedling
'Merci Beaucoup' = 'PeeDee Gold Flash' x PP
'Nate the Great' = PP x 'Tokudama Aureonebulosa'
'Smokerise Frosted Vase' = 'Frances Williams' x PP