Polyantha, Polyantha Climbing Rose 'Margo Koster'

Rosa

Family
Rosaceae (ro-ZAY-see-ee)
Genus
Rosa (RO-zuh)
Synonym
Spacing
24-36 in. (60-90 cm)
Hardiness
24-36 in. (60-90 cm)
Bloom Time
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
Late Spring/Early Summer
Blooms repeatedly
Other Details
Propagation Methods
Soil pH requirements
Flower Fragrance
Bloom Shape
Patent Information
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
Other Details
Pruning Instructions
Foliage Color
Bloom Characteristics
Water Requirements
Where to Grow
Regional

This plant is said to grow outdoors in the following regions:

Sacramento, California

Simi Valley, California

Dodge City, Kansas

Garland, Texas

San Antonio, Texas

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Gardener's Notes:

3
positives
1
neutral
1
negative
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S
S
Simi Valley, CA (Zone 9a) | December 2011 | positive

Margo Koster is a living ancestor to miniature roses.
Over 80 years old now she's keeping up well with the newcomers.

...Read More

W
Moundridge, KS (Zone 6a) | September 2010 | positive

I had one of these pretty little roses when living in western Kansas, and it put up with everything that harsh environment could give. I...Read More

T
Aurora, CO | June 2009 | negative

I have had Margo Koster for five years in a bed that gets mid-morning and afternoon sun. It has not thrived in Colorado despite mulching...Read More

T
Fort Worth, TX (Zone 8a) | June 2007 | positive

I had one in a very small flower bed, bounded by concrete sidewalk and driveway beside the garage. It got clobbered more than once by th...Read More

P
Irving (Dallas area), TX (Zone 8a) | June 2004 | neutral

Bred in Holland. Won the Polyantha Spray award forty times from 1998-2001.

Sport of 'Dick Koster'

Featured
Large Yellow Underwing Moth
(Noctua pronuba)
Eastern Screech Owl
(Megascops asio)
Featured
Large Yellow Underwing Moth
(Noctua pronuba)
Eastern Screech Owl
(Megascops asio)