Photo by Melody

PlantFiles: Peony Flowered Dahlia
Dahlia 'Rio Rizo'

Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Dahlia (DAHL-ya) (Info)
Cultivar: Rio Rizo
Hybridized by Larkin/Zydner; Year of Registration or Introduction: 2006

» View all varieties of Dahlias

One member has or wants this plant for trade.


Flower Size:
Miniature - up to 4 inches (100 mm) diameter

Bloom Color:

Unknown - Tell us

18-24 in. (45-60 cm)

18-24 in. (45-60 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)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Unknown - Tell us

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

Unknown - Tell us

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

Click thumbnail
to view:

By clareb
Thumbnail #1 of Dahlia  by clareb

By clareb
Thumbnail #2 of Dahlia  by clareb


1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive clareb On Sep 29, 2008, clareb from Missoula, MT (Zone 5a) wrote:

The dark foliage of this dahlia complements the bronze color of the flower well. This dahlia is great near the front of a border due to its small size. 'Rio Rizo' has done well in my mostly-clay soil.


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

Vernal, Utah

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