Photo by Melody

PlantFiles: Hybrid Tea Rose
Rosa 'Grandpa Dickson'

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Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Rosa (RO-zuh) (Info)
Cultivar: Grandpa Dickson
Additional cultivar information: (aka Irish Gold)
Hybridized by Dickson; Year of Registration or Introduction: 1966

» View all varieties of Roses

Class:
Hybrid Tea

Height:
24-36 in. (60-90 cm)

Spacing:
24-36 in. (60-90 cm)

Hardiness:
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)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Bloom Color:
Medium yellow (my)

Bloom Shape:
Double
Tea shaped

Flower Fragrance:
Slightly Fragrant

Bloom Time:
Late Spring/Early Summer
Blooms repeatedly

Habit:
Shrub

Patent Information:
Non-patented

Other Details:
Resistant to black spot
Resistant to mildew
Resistant to rust
Stems are moderately thorny

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

Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral Paulwhwest On Jul 30, 2004, Paulwhwest from Irving (Dallas area), TX (Zone 8a) wrote:

Bred in Northern Ireland, and introduced in the United States. Won the following awards:

Belfast Gold Medal in 1968
Court of Show Honor in 2000, and 2001
King of Show twice in 1999
PIT President's International Trophy in 1965
Portland Gold Medal in 1970
Princess of Show in 2000
RNRS Gold Medal in 1965
The Hague Gold Medal and the Golden Rose in 1966

Parentage:
Seed: Kordes' Perfecta Governador Braga da Cruz
Pollen: Piccadilly

Regional...

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

Munford, Tennessee



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