Data specific to Dahlias (Edit)
Size: Medium (B): over 6 to 8 inches in diameter.
Form: Single (S)
Semi-Cactus (SC)
Color: Light Blend (LB)
Yellow (Y)
Year Introduced: 1991
Country of Origin: United States
Hybridizer or Originator: Geisert
ADS Classification Code: 2210

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Plant Height: 18 to 36 inches (46-91cm)
Leaves: Unusual foliage color
Flowers: Showy
Underground structures: Tuber
Wildlife Attractant: Butterflies
Propagation: Seeds: Will not come true from seed
Propagation: Other methods: Division
Other: Propagate by taking cuttings of newly emerged shoots
Containers: Suitable in 3 gallon or larger
Miscellaneous: Patent/Plant Breeders' Rights: PP18,339
Awards and Recognitions: RHS AGM

Image
Trade name information:
Trade Name: Mystic Illusion
Cultivar name: 'Knockout'
Common names
  • Dahlia

Photo Gallery
Location: z6a, Smith College Botanical Garden
Date: 2012-08-26
Uploaded by Cantillon
Location: My garden zone 5
Date: 2019-05-24

Date: 2010-09-06
Location: Northern California, Zone 9b
Date: 2020-06-26
Dahlia 'Mystic Illusion'
Location: South Jordan, Utah, United States
Date: 2018-08-16
Location: z6a, Smith College Botanical Garden
Date: 2012-08-26

Date: 2015-08-07

Date: 2015-08-07

Date: 2009-08-18
Location: KALAMA WA
  • Uploaded by Joy

Date: 2015-08-07
Location: In my garden
Date: 2014-05-25
Location: in my garden
Date: 2017-06-10
Location: South Jordan, Utah, United States
Date: 2018-08-20
Location: Brown City, Michigan
Date: 2013-07-07
Blooms until Frost takes it down.
Location: z6a, Smith College Botanical Garden

Date: 2012-07-28
Very popular with the bees!
Location: KALAMA WA
  • Uploaded by Joy
Location: KALAMA WA
  • Uploaded by Joy

Date: 2013-10-03

Date: 2013-10-03

Date: 2015-08-07

Date: 2012-07-17

Date: 2012-07-24

Photo courtesy of Proven Winners
  • Uploaded by Joy

Photo courtesy of Proven Winners
  • Uploaded by Joy

Photo courtesy of Proven Winners
  • Uploaded by Joy
Location: Brown City, Michigan
Date: 2013-07-07
The contrast of the dark foliage and the yellow blooms catches ev
This plant is tagged in:
Image Image Image Image Image Image Image Image Image

Comments:
  • Posted by Tree_climber (Brown City, MI) on Mar 12, 2014 6:42 AM concerning plant:
    This is a fantastic plant in my zone 5 garden. The contrast of the yellow blooms and the dark (purple) foliage is amazing. Easy to grow.

« Add a new plant to the database

» Search the Dahlias Database: by characteristics or by cultivar name

« See the general plant entry for Dahlias (Dahlia)

« Visit the Dahlias forum

« The Dahlias Database Front Page

« The Plants Database Front Page