Hybrid Wichurana, Rambler Rose 'American Pillar'


Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Rosa (RO-zuh) (Info)
Cultivar: American Pillar
Hybridized by Van Fleet
Registered or introduced: 1902
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15-20 ft. (4.7-6 m)


8-10 ft. (2.4-3 m)


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:

Pink blend (pb)

Bloom Shape:


Eye present

Flower Fragrance:

No fragrance

Bloom Time:

Mid Summer


Trained as rambler

Patent Information:


Other Details:

Unknown - Tell us

Pruning Instructions:

Blooms on new wood; prune early to promote new growth

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


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

Los Angeles, California

Amston, Connecticut

Denham Springs, Louisiana

Gardeners' Notes:


On Mar 7, 2013, tearoses from Denham Springs, LA wrote:

Have grown American Pillar in 2 locations. The brite single flowers were extremely showy when I had it planted on a large gothic arch. Very showy!

Moved and took it with me. This time I planted it at the base of a large tree. It's extremely healthy, growin by leaps and bounds & into the tree and showing no signs of any disease. But other than one year it has never bloomed. Guess it needs to be moved to more sunlight. Huge plant now but will be worth the effort to relocate it.


On Jun 13, 2010, EffieH from Amston, CT (Zone 6b) wrote:

I love this rose -- I planted it years ago and it just thrives in northeastern Connecticut. One of the few roses that are really hardy in my area -- it does go out of control, throwing out huge long canes. It really does need to be trained on a pillar -- last fall I cut it back and threaded some canes through a couple of large trellises . . . this spring I had to add another large trellis but it's bloomed better than ever with a little care. The thorns are huge so it's a little hard to work with, but well worth the effort. I took a sprig of it last year and planted it underneath an old apple tree where it is thriving so far, but hasn't started climbing into the tree yet.


On Nov 3, 2004, Paulwhwest from Irving (Dallas area), TX (Zone 8a) wrote:

Bred and introduced in the United States. Won the ARS Climber award three times in 2000, and 2001.

Seed: R. wichuraiana R. setigera
Pollen: Red Letter Day