Photo by Melody

PlantFiles: Collarette Dahlia
Dahlia 'Bumble Rumble'

Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Dahlia (DAHL-ya) (Info)
Cultivar: Bumble Rumble

» View all varieties of Dahlias

31 members have or want this plant for trade.


Flower Size:
Small - 4 to 6 inches (100 to 150 mm) diameter

Bloom Color:

Do not disbud

36-48 in. (90-120 cm)

24-36 in. (60-90 cm)


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)
From leaf cuttings

Unknown - Tell us

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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to view:

By doss
Thumbnail #1 of Dahlia  by doss

By flowerfrenzy
Thumbnail #2 of Dahlia  by flowerfrenzy

By mgh
Thumbnail #3 of Dahlia  by mgh

By mgh
Thumbnail #4 of Dahlia  by mgh

By dahlia_fanatic
Thumbnail #5 of Dahlia  by dahlia_fanatic

By lancer23
Thumbnail #6 of Dahlia  by lancer23


3 positives
No neutrals
No negatives

Gardeners' Notes:

Positive smcatl On Sep 22, 2013, smcatl from Atlanta, GA wrote:

Holy smokes! In our Atlanta garden this rainy, rainy summer, Bumble Rumble, a new addition, has grown to seven feet tall. So tall, in fact that it outgrew its stake and got beaten over by the rain. But it has been blooming steadily--I wouldn't say prolifically--from late July to mid-September with no sign of stopping. Seems disease resistant, too.

The flowers are spectacularly beautiful, and I have never yet seen them without a bumble bee on at least one blossom. Today there was a bee fight going on: a real bumble rumble. My only complaint is that the flowers tend to drop off their stems at the least provocation.

Positive triviologist On Nov 19, 2005, triviologist from Buffalo, NY wrote:

Absolutely stunning flower. Gets lots of attention and tubers form readily.

Positive doss On Jun 19, 2005, doss from Stanford, CA (Zone 9b) wrote:

Bumble Rumble is the earliest dahlia in my garden. It grows very fast in the spring so watch to make sure you catch it in time for pinching. Flowers are 4" to 6" across. The dahila gets a lot of attention. The plant is 4 feet tall.


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

Ramona, California
San Francisco, California
Stanford, California
Atlanta, Georgia
Dearborn, Michigan
Buffalo, New York
Corvallis, Oregon
Vancouver, Washington (2 reports)

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