Hosta 'Allegan Emperor'

Hosta

Family
Liliaceae (lil-ee-AY-see-ee)
Genus
Hosta (HOSS-tuh)
Synonym
Hardiness
Sun Exposure
6-8 ft. (1.8-2.4 m)
Bloom Time
Bloom Color
Spacing
Moderately
Sun Exposure
Very Shiny
Danger
Dull
Hardiness
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Color
Bloom Time
Other Details
Other details
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)
Seed Collecting
Partial to Full Shade
Plant Size (check one)
Growing Habit
Growth Rate
Leaf Shape
Leaf Appearance
Degree to which the appearance is present
Leaf Texture (top)
Leaf Texture (bottom)
Leaf Color
Color of Leaf Margin
Leaf Substance
Number of Vein Pairs
Appearance of Margin
Margin Width
Flower Shape
Flower Fragrance
Does it set seed?
Patent Information
Foliage Color
Giant (leaf >144 square inches; plant >28” tall)
Bloom Characteristics
Upright
Water Requirements
Medium
Where to Grow
Broadly Ovate
Seed Collecting
Medium Blue-Green
Fruit Shape
Medium Blue-Green
Fruit Size
1 (Thick)
Fruit Colors
12 to 15
Growing Habit
Slightly Rippled
Days to Maturity
No margin
Seed Type
Mid/Late
Usage
Medium Lavender
Disease Resistance
Tubular
Leaf Type
No fragrance
Foliage Color
Yes; seed is viable
Bloom Characteristics
Water Requirements
Where to Grow
Other details
Propagation Methods
Soil pH requirements
Patent Information
Plant Size (check one)
Growing Habit
Growth Rate
Leaf Shape
Leaf Appearance
Non-patented
Degree to which the appearance is present
Leaf Texture (top)
Leaf Texture (bottom)
Leaf Color
Color of Leaf Margin
Leaf Substance
Number of Vein Pairs
Appearance of Margin
Margin Width
Flower Shape
Flower Fragrance
Does it set seed?
Flower Size
Flower Type
Blooming Habit
Foliage Habit
Color Patterns
Awards (if applicable)
Seed Type
Growth Habit
Days to Maturity
Awards (if applicable)
Bloom Shape
Other Details
Pruning Instructions
Kernel Color
Flower Shape
Flower Habit
Bloom Size
Color Pattern
Bloom Shape
Pruning Groups
Bloom Diameter
Heat (Pungency)
Fruit Shape
Fruit Size
Fruit Color
Disease Resistance
Seed Type
Flower Size
Size/Type
Flower Characteristics
Leaf Shape/Type
Average Water Needs; Water regularly; do not overwater
Leaf Texture
Can be grown as an annual
Leaf Color
Propagation
Pollination
Bearing Habit
Rootstock Vigor
Disease Resistance
Fruit Usage
Classification
Regional

This plant is said to grow outdoors in the following regions:

Bloomfield, Iowa

Cape May Court House, New Jersey

Pittsboro, North Carolina

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Gardener's Notes:

0
positive
0
neutral
0
negative
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