Photo by Melody

PlantFiles: Hosta
Hosta 'Blue Mammoth'

Family: Liliaceae (lil-ee-AY-see-ee) (Info)
Genus: Hosta (HOSS-tuh) (Info)
Cultivar: Blue Mammoth
Hybridized by P. Aden

» View all varieties of Hostas

3 vendors have this plant for sale.

15 members have or want this plant for trade.

View this plant in a garden

Plant Size (check one):
Giant (leaf >144 square inches; plant >28 tall)

4-6 ft. (1.2-1.8 m)

USDA Zone 3a: to -39.9 C (-40 F)
USDA Zone 3b: to -37.2 C (-35 F)
USDA Zone 4a: to -34.4 C (-30 F)
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)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)

Sun Exposure:
Partial to Full Shade
Full Shade

Other details:
Average Water Needs; Water regularly; do not overwater

Patent Information:

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

Growing Habit:

Growth Rate:

Leaf Shape:
Broadly Ovate

Leaf Appearance:

Degree to which the appearance is present:

Leaf Texture (top):
Glaucous Bloom

Leaf Texture (bottom):
Glaucous Bloom

Leaf Substance:
1 (Thick)

Leaf Color:
Medium Blue-Green
Intensely Blue-Green

Color of Leaf Margin:
No margin

Number of Vein Pairs:
more than 18

Appearance of Margin:
Flat/Nearly Flat

Margin Width:
No margin

Bloom Time:

Flower Shape:

Flower Fragrance:
No fragrance

Does it set seed?:
Yes; seed is viable

Bloom Color:
Near White

Click thumbnail
to view:

By DiOhio
Thumbnail #1 of Hosta  by DiOhio

By carolann
Thumbnail #2 of Hosta  by carolann

By cbrandenburg
Thumbnail #3 of Hosta  by cbrandenburg

By gretaduck
Thumbnail #4 of Hosta  by gretaduck

By sterhill
Thumbnail #5 of Hosta  by sterhill

By sandy4
Thumbnail #6 of Hosta  by sandy4

By DaylilySLP
Thumbnail #7 of Hosta  by DaylilySLP

There are a total of 10 photos.
Click here to view them all!


2 positives
1 neutral
No negatives

Gardeners' Notes:

Positive sterhill On Jun 28, 2005, sterhill from Atlanta, GA (Zone 7b) wrote:

I had ordered 3 catmint from a vendor and got 1 catmint and two of these! I knew these were not catmint but couldn't tell what would come up when I planted them. Lovely plants! Need dividing now. Were planted in full sun (for the catmint) and do really well except for a bit of scorch in August. They do get a little shade from pine trees in the afternoon.

Positive sandy4 On Jun 27, 2005, sandy4 from Reading, MA wrote:

My most favorite blue of all. Its been growing in my yard over ten years. Large powdery blue leaves in spring turn to a blue-green in summer. Grows slowly but gets really large. Its still growing after ten years. Nice mounding habit and excessive flowers in older plants. I have grown seeds from mine and a great number resemble parent plant. Plant shows off after a rain. Holds droplets that reflect light. Looks like millions of white diamonds. Slug-proof when grown. Young plants need to be protected from slugs. Very sturdy leaves. This hosta gets an A+ in my opinion.

Neutral jody On Sep 1, 2002, jody from MD &, VA (Zone 7b) wrote:

Flower scapes 30"-36". Paul Aden intro.


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

Atlanta, Georgia
Cordele, Georgia
Marietta, Georgia
Machesney Park, Illinois
Barbourville, Kentucky
Reading, Massachusetts
Dearborn Heights, Michigan
Plainwell, Michigan
Lothair, Montana
Sewell, New Jersey
Cicero, New York
Pittsboro, North Carolina
Cincinnati, Ohio
Glouster, Ohio
Norristown, Pennsylvania
Lexington, Virginia
Bluefield, West Virginia

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