Kordesii Rose, Shrub Rose
Rosa 'Dortmund'

Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Rosa (RO-zuh) (Info)
Cultivar: Dortmund
Hybridized by Kordes
Registered or introduced: 1955
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Class:

Shrub

Height:

4-6 ft. (1.2-1.8 m)

6-8 ft. (1.8-2.4 m)

8-10 ft. (2.4-3 m)

10-12 ft. (3-3.6 m)

Spacing:

4-6 ft. (1.2-1.8 m)

Hardiness:

USDA Zone 4a: to -34.4 C (-30 F)

USDA Zone 4b: to -31.6 C (-25 F)

USDA Zone 5a: to -28.8 C (-20 F)

USDA Zone 5b: to -26.1 C (-15 F)

USDA Zone 6a: to -23.3 C (-10 F)

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

Bloom Color:

Medium red (mr)

Bloom Shape:

Single

Eye present

Flower Fragrance:

Very Fragrant

Bloom Time:

Mid Spring

Late Spring/Early Summer

Blooms repeatedly

Habit:

Shrub

Trained to climb

Patent Information:

Non-patented

Other Details:

Shade-tolerant

Resistant to black spot

Resistant to mildew

Resistant to rust

Pruning Instructions:

Blooms on new wood; prune early to promote new growth

Soil pH requirements:

Unknown - Tell us

Propagation Methods:

From herbaceous stem cuttings

From woody stem cuttings

From softwood cuttings

From semi-hardwood cuttings

From hardwood cuttings

By grafting

By budding

By simple layering

By air layering

By tip layering

Regional

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

Ketchikan, Alaska

Jonesboro, Arkansas

Arvada, Colorado

Garden City, Idaho

Homer Glen, Illinois

Bronx, New York

Sarver, Pennsylvania

Colleyville, Texas

Linden, Virginia

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Gardeners' Notes:

1
positive
1
neutral
0
negatives
RatingContent
Positive

On Jun 9, 2005, mickgene from Linden, VA (Zone 6a) wrote:

It's the most floriferous rose I have.

Neutral

On Jun 4, 2004, Paulwhwest from Irving (Dallas area), TX (Zone 8a) wrote:

Bred in Germany. Won the following awards:

ADR Anerkannte Deutsche Rose in 1854
Portland Gold Medal in 1971
Victorian from the Central Arkansas Rose Society in 1999
Award of Garden Merit in 2001
Classic Shrub Rose thirty one times from 1998-2001
Shrub four times 1998-2001

Parentage:
Seed: Seedling
Pollen: R. kordesii