Dahlia 'Thomas A. Edison' in the Dahlias Database

Data specific to Dahlias (Edit)
Size: Medium (B): over 6 to 8 inches in diameter.
Form: Formal Decorative (FD)
Color: Purple (PR)
Year Introduced: 1929
Country of Origin: United States
Hybridizer or Originator: Dahliadel
ADS Classification Code: 2109
ADS Ribbons: 16

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Minimum cold hardiness: Zone 8a -12.2 °C (10 °F) to -9.4 °C (15 °F)
Flowers: Showy
Flower Color: Purple
Resistances: Deer Resistant
Propagation: Seeds: Days to germinate: 7-21
Depth to plant seed: 1/4 inch
Start indoors
Can handle transplanting
Propagation: Other methods: Cuttings: Leaf
Division
Other: Propagate by taking cuttings of newly emerged shoots
Containers: Suitable in 3 gallon or larger

This dark magenta dahlia looks best surrounded by lighter blooms.

Photo gallery:
Location: Terrace garden left side.Date: 2012-0825
By pirl
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Location: Clymer,PADate: 08/07/2018
By Tiff2884
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Date: 2012-09-27
By Lucichar
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Location: Fountain, FloridaDate: 2016-06-04
By gingin
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Location: Longwood Gardens, Kennett Square, Pennsylvania, USADate: 2018-08-27
By csandt
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Location: Longwood Gardens, Kennett Square, Pennsylvania, USADate: 2018-08-27
By csandt
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Date: 2013-09-13
By Paul2032
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Location: Southeast MichiganDate: August
By jvdubb
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Location: Fountain, FloridaDate: 2016-04-10
By gingin
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Location: Fountain, FloridaDate: 2016-05-18
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Location: Fountain, FloridaDate: 2016-06-16
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Location: Fountain, FloridaDate: 2016-06-16the white flowers are on the brug Monster behind the dahlia
By gingin
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 Photo Courtesy of Baker Creek Heirloom Seeds. Used with permissi
By Joy
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Photo Courtesy of Lynch Creek Farms.
By Joy
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Photo Courtesy of Lynch Creek Farms.
By Joy
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This plant is tagged in:
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Plant Events from our members
dragonfetti On March 28, 2015 Obtained plant
Planted in SE Compass garden.
» Post your own event for this plant

Discussion Threads about this plant
Thread Title Last Reply Replies
2020 Dahlia Season by SulliO Oct 26, 2020 1:46 PM 1,241
It's about that time... by frankrichards16 Nov 8, 2017 9:11 PM 48
Get ready, set, START! by CLC70 Jun 11, 2017 8:29 PM 168
2016 Blooms by mandolls Feb 18, 2017 6:16 PM 588
Thomas A. Edison by gingin Jul 5, 2016 7:21 PM 6
Some Dahlias Take a Long Time to Sprout! by kousa Jul 18, 2018 3:44 PM 53
Lets introduce ourselves 2016 by mandolls May 7, 2016 12:48 PM 137
What Are Your Top 5 Favorites This Year? by kousa Oct 1, 2015 9:59 AM 45
Dahlia Season 2015 - really kicking in now! by mandolls Jan 12, 2016 9:50 AM 183
First bloom of 2015 (for me) by pirl Jul 29, 2015 9:21 AM 85
Anyone buying dahlias in stores yet? by pirl Mar 21, 2015 10:24 AM 36
2014 dahlia season has begun by soilsandup Nov 25, 2014 6:17 PM 102
What are your best bloomers?? by virginiarose Jan 19, 2014 5:33 PM 52

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