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PlantFiles: Shrub Rose
Rosa 'Golden Unicorn'

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Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Rosa (RO-zuh) (Info)
Cultivar: Golden Unicorn
Hybridized by Buck; Year of Registration or Introduction: 1985

» View all varieties of Roses

2 members have or want this plant for trade.

Class:
Shrub

Height:
36-48 in. (90-120 cm)

Spacing:
36-48 in. (90-120 cm)

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)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Bloom Color:
Yellow blend (yb)

Bloom Shape:
Double
Cupped

Flower Fragrance:
Very 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

Click thumbnail
to view:

By sweezel
Thumbnail #1 of Rosa  by sweezel

By Calif_Sue
Thumbnail #2 of Rosa  by Calif_Sue

By sazzyrose
Thumbnail #3 of Rosa  by sazzyrose

Profile:

2 positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive GingerGaia On Feb 3, 2013, GingerGaia from West Monroe, LA (Zone 8a) wrote:

I planted this 4 yrs ago in a pot that was placed in a bed. Then I was bed bound 4 yrs. So no feeding, pruning or weeding and had a shrub that grew out over part of it. I was plrased to find it leafing out with lots of green stems today, as I am finally well enough to garden again. What a tough rose !

Positive tgwWhale On Dec 17, 2010, tgwWhale from Casco, WI wrote:

I bought a Golden Unicorn because it was advertised as "hardy" in a seed catalog. It is not as hardy as adverised -- I get it through the winter in my location (NE Wisconsin, zone 5) by boxing it up and burying it in ground, just as I get hybrid teas through the winter. It is more hardy than any hybrid tea I have found, though, and a lot more of the plant survives the winter if boxed and buried.

The bloom itself is glorious. The first flush of blooms in June is very heavy, and the rebloom is good. The flowers are fragrant and you can get a good whiff of the plant just walking by it. The color is richer in cooler weather, and lasts longer, so any blooms that come in the fall tend to be prettier than the summer blooms.

The flower fades and the petals drop very quickly. I think that when it is warm a flower probably lasts only about two days, and the heavy bloom leaves the ground under the plant littered with petals. Because it is a shrub rose, the flower stems are too short to use this one as a cut flower, and in any case, the blooms do not last long enough. I wish they did, because this is a beautiful, fragrant, reasonably hard rose. Thumbs up!

Neutral Paulwhwest On Jun 13, 2004, Paulwhwest from Irving (Dallas area), TX (Zone 8a) wrote:

Bred in United States.

Parentage:
Seed: Paloma Blanca
Pollen: Carefree Beauty x Antike

Regional...

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

Iowa City, Iowa
West Monroe, Louisiana
Lenoir City, Tennessee
Casco, Wisconsin



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