Rugose Rose
Rosa rugosa 'Alba'

Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Rosa (RO-zuh) (Info)
Species: rugosa (roo-GO-suh) (Info)
Cultivar: Alba
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Class:

Rugosa

Height:

4-6 ft. (1.2-1.8 m)

Spacing:

4-6 ft. (1.2-1.8 m)

Hardiness:

USDA Zone 2a: to -45.5 C (-50 F)

USDA Zone 2b: to -42.7 C (-45 F)

USDA Zone 3a: to -39.9 C (-40 F)

USDA Zone 3b: to -37.2 C (-35 F)

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:

White (w)

Bloom Shape:

Single

Flower Fragrance:

Very Fragrant

Bloom Time:

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Blooms repeatedly

Habit:

Shrub

Patent Information:

Non-patented

Other Details:

Shade-tolerant

Salt-tolerant

Resistant to black spot

Resistant to mildew

Resistant to rust

Stems are very thorny

Sets hips

Pruning Instructions:

Blooms on old wood; prune after flowering

Soil pH requirements:

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

Propagation Methods:

From softwood cuttings

From semi-hardwood cuttings

From hardwood cuttings

By grafting

By budding

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Unknown - Tell us

Where to Grow:

Unknown - Tell us

Regional

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

Los Angeles, California

Gardiner, Maine

Jamesburg, New Jersey

, Newfoundland and Labrador

Harmony, Pennsylvania

Custer, South Dakota

Viola, Tennessee

Spokane, Washington

Vancouver, Washington

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Gardeners' Notes:

2
positives
0
neutrals
0
negatives
RatingContent
Positive

On Mar 15, 2011, Rosiespring from Custer, SD wrote:

Alas, I don't have the Alba yet, but have two of the pink species. My soil is about 7.0 and I mulch with pine needles, and these roses are lovely. I live at a 5200' altitude, Zone 4, western South Dakota. I give these own root roses no extra protection beyond what my hardy perennials get. There is some dieback over winter, more due to dry climate I think, but I've never lost either of these or the related Canadian bred shrub roses. The species rugosa are especially fragrant..

Positive

On Feb 21, 2011, brfoley76 from Los Angeles, CA wrote:

I bought this rose from a local nursery, and I know rugosas aren't supposed to do well in alkaline soil, or the LA climate, but it's been happily green and flowering for a couple of years now.