Photo by Melody

PlantFiles: Formal Decorative Dahlia
Dahlia 'Edna C'

Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Dahlia (DAHL-ya) (Info)
Cultivar: Edna C
Hybridized by Comstock; Year of Registration or Introduction: 1968

» View all varieties of Dahlias


Flower Size:
Medium - 6 to 8 inches (150 to 200 mm) diameter

Bloom Color:

Unknown - Tell us

36-48 in. (90-120 cm)

Unknown - Tell us


Other details:
Average Water Needs; Water regularly; do not overwater
Flowers are good for cutting

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Parts of plant are poisonous if ingested

Seed Collecting:
Unknown - Tell us

Click thumbnail
to view:

By doss
Thumbnail #1 of Dahlia  by doss


1 positive
1 neutral
No negatives

Gardeners' Notes:

Neutral mystic On Sep 8, 2007, mystic from Ewing, KY (Zone 6a) wrote:

Awarded the ADS Derrill W. Hart medal, Lynn B. Dudley medal and the Stanley Johnson medal.

Positive doss On Oct 30, 2004, doss from Stanford, CA (Zone 9b) wrote:

The Dahlia in the photo is seven inches across. It is very long lasting on the plant and in a vase but it needs staking. One of my first Dahlias, it has become one of my pastel favorites. It is growing on a South Wall. The foliage was subject to powdery mildew this fall (not unusual in our area) but responded well to a non-toxic product. I took this picture in late October. Edna C. blooms mid-summer for me.


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

Millville, New Jersey

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