Hosta 'Allegan Emperor'


Family: Liliaceae (lil-ee-AY-see-ee) (Info)
Genus: Hosta (HOSS-tuh) (Info)
Cultivar: Allegan Emperor
Hybridized by Deshane-Herrema-Ruh
Registered or introduced: 2000
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Plant Size (check one):

Giant (leaf >144 square inches; plant >28 tall)


6-8 ft. (1.8-2.4 m)


USDA Zone 4b: to -31.6 C (-25 F)

USDA Zone 5a: to -28.8 C (-20 F)

USDA Zone 5b: to -26.1 C (-15 F)

USDA Zone 6a: to -23.3 C (-10 F)

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

Sun Exposure:

Partial to Full Shade

Other details:

Unknown - Tell us

Patent Information:


Seed Collecting:

Unknown - Tell us

Growing Habit:


Growth Rate:


Leaf Shape:

Broadly Ovate

Leaf Appearance:

Unknown - Tell us

Degree to which the appearance is present:


Leaf Texture (top):

Very Shiny

Leaf Texture (bottom):


Leaf Substance:

1 (Thick)

Leaf Color:

Medium Blue-Green

Color of Leaf Margin:

Medium Blue-Green

Number of Vein Pairs:

12 to 15

Appearance of Margin:

Slightly Rippled

Margin Width:

No margin

Bloom Time:


Flower Shape:


Flower Fragrance:

No fragrance

Does it set seed?:

Yes; seed is viable

Bloom Color:

Medium Lavender

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Suitable for growing in containers


This plant has been said to grow in the following regions:

Bloomfield, Iowa

Cape May Court House, New Jersey

Pittsboro, North Carolina

Gardeners' Notes:

No details have been posted.