Heirloom Dahlia, Formal Decorative Dahlia 'Thomas A. Edison'

Dahlia

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Dahlia (DAHL-ya)
Synonym
Spacing
36-48 in. (90-120 cm)
Danger
18-24 in. (45-60 cm)
Foliage
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)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Bloom Color
Sun Exposure
Hardiness
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Color
Bloom Time
Other Details
Other details
Full Sun
Propagation Methods
Parts of plant are poisonous if ingested
Seed Collecting
Red
White/Near White
Soil pH requirements
Late Summer/Early Fall
Patent Information
Herbaceous
Smooth
Flower Size
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From herbaceous stem cuttings
Pruning
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Foliage Color
Bloom Characteristics
Water Requirements
Where to Grow
Bulbs
Seed Collecting
Fruit Shape
Fruit Size
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Fruit Colors
Growing Habit
Days to Maturity
Seed Type
Disease Resistance
Leaf Type
Foliage Color
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
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
Non-patented
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)
Decorative
Fruit Shape
Medium - 6 to 8 inches (150 to 200 mm) diameter
Fruit Size
Purple, Wine, Violet
Fruit Color
Disease Resistance
Seed Type
Flower Size
Size/Type
Flower Characteristics
Leaf Shape/Type
Leaf Texture
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:

Alabaster, Alabama

La Jolla, California

Guyton, Georgia

Frankfort, Kentucky

Revere, Massachusetts

Bay City, Michigan

Saint Paul, Minnesota

Babylon, New York

Southold, New York

Corvallis, Oregon

Greensburg, Pennsylvania

Broaddus, Texas

Issaquah, Washington

Vancouver, Washington

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Featured Videos

Gardener's Notes:

4
positives
1
neutral
0
negative
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T
Bay City, MI | October 2013 | positive

This is a tall and beautiful dinner plate purple dahlia. If you check out the pictures on this site, the one from Swan Dahlias is the ac...Read More

C
Greensburg, PA | August 2012 | positive

I am a pretty amateur gardener. I found the tuber for this at a Family Dollar and was so in love with the color and texture of the bloom...Read More

B
Prosperity, SC (Zone 7b) | April 2011 | neutral

Found this georgous thing in a dollar store bin, glad to see high ratings can't wait for it to pop out of the ground.

D
Corvallis, OR | August 2009 | positive

This is a beautiful dahlia in the garden and is also suitable for cutting. The shade of purple is really lovely and it produces lots of ...Read More

B
(Zone 7a) | January 2007 | positive

This dahlia out-performs every other dahlia I have ever grown (over the years, about 50). It makes a full, bushy plant loaded with class...Read More

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