Data specific to Dahlias (Edit)
Size: Miniature (M): up to 4 inches in diameter.
Form: Formal Decorative (FD)
Color: Dark Red (DR)
Year Introduced: 1951
Country of Origin: Holland
Hybridizer or Originator: Weijers
ADS Classification Code: 4007

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Minimum cold hardiness: Zone 9a -6.7 °C (20 °F) to -3.9 °C (25 °F)
Maximum recommended zone: Zone 10b
Plant Height: 3.5 - 4 feet
Plant Spread: 20 inches
Flowers: Showy
Flower Color: Red
Bloom Size: 3"-4"
Flower Time: Summer
Late summer or early fall
Underground structures: Tuber
Uses: Cut Flower
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

Image
Common names
  • Dahlia
  • Formal Decorative Dahlia

Photo Gallery

photo credit: Mark Twyning
Location: My Garden
Date: 2013-07-26
Location: Lily fence - full sun
Date: 2008-0719
Location: charlottetown, pei, canada
Date: 2016-07-23
Dahlia-Arabian Night
Location: Outside The Park
Date: 2010-0720
Location: Mentor on the Lake
Date: 2018-09-04
Location: Coastal San Diego County 
Date: 2018-07-22
Location: NW WI
Date: July 2916
Location: Fairfax, VA | June, 2022
Date: 2022-07-01
Location: Clinton, Michigan 49236
Date: 2013-10-19
Location: Outside The Park
Date: 2010-07-20
Location: Omaha, NE
Date: September 2017
Location: Charleston, SC
Date: 2022-05-13
last year's Aldi Dahlia (found the packaging- 'Arabian Night') wh
Location: Fairfax, VA | June, 2022
Date: 2022-07-01
Location: Coastal San Diego County 
Date: 2018-07-18
Location: My Garden
Date: 2012-10-23
Location: Coastal San Diego County 
Date: 2018-07-22

Date: 2011-08-01

Date: 2010-08-04

Date: 2010-07-08
Location: At Dalieda de San Francisco (a dahlia garden) in Madrid (Spain)
Photo by Luis García

Date: 2011-07-23

Date: 2010-08-04
Location: Coastal San Diego County 
Date: 2017-05-29
Location: Coastal San Diego County 
Date: 2017-09-17

Date: 2010-07-08
Uploaded by mandolls
Location: Coastal San Diego County 
Date: 2018-03-23
Plant Events from our members
Mellis0821 On June 18, 2019 Bloomed
First bloom after overwintering - Central AR
dnrevel On November 18, 2023 Maintenance performed
Maintenance performed (Dug out the dahlia clump from the backyard birdbath area. It's a healthy tuber clump. I am preparing it for winter storage.)
dnrevel On October 30, 2023 Obtained plant
Received from neighbor in a trade.
dnrevel From August 30, 2023 to August 29, 2023 Bloomed
Also bloomed in the front near the birdbath, shorter plant as it gets more sun, 3 feet tall.
dnrevel On August 6, 2023 Bloomed
Planted near bird bath in back area. Tall plant.
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