Martha Keller

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Martha Keller is a white Polyantha (Pol) shrub rose with undefined fragrance. It’s high-centered blooms repeat flower and may grow to a size of medium. The petal structure presents as double, 16-25 petals in three or more rows. This thorned rose has an average height of medium and width of medium.

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Specifications

Registration & Introduction

Registered Name:	Martha Keller
Cultivar Group:	Polyantha (Pol)
Breeder/ Raiser Name:	Louis (Ludwig) Walter
Registration Year:	1912
Parentage:	Bébé Leroux Hélène Videnz
Country Of Origin:	France
Introduction/s:	Introduced in Germany by Felberg-Leclerc in 1912 as ‘Martha Keller’.

Registration and introduction information for the rose cultivar of Martha Keller.

Characteristics

Flower Color:	white
Flower Fragrance:	undefined fragrance
Petal Structure:	double, 16-25 petals in three or more rows
Bloom Shape:	high-centered
Bloom Size:	medium
Bloom Repeat:	repeat flower
Growth Habit:	shrub
Growth Height:	medium
Growth Width:	medium
Thorns:	thorned

Characteristics of growth to identify the rose cultivar of Martha Keller.

Health

Disease Resistance:	unknown disease resistance
Cold Hardiness:	medium cold hardiness
USDA Zone:	6b (-5 to 0 °F/-20.6 to -17.8 °C), 7a (0 to 5 °F/-17.8 to -15 °C), 7b (5 to 10 °F/-15 to -12.2 °C), 8a (10 to 15 °F/-12.2 to -9.4 °C), 8b (15 to 20 °F/-9.4 to -6.7 °C), 9a (20 to 25 °F/-6.7 to -3.9 °C), 9b (25 to 30 °F/-3.9 to -1.1 °C)
Shade Tolerance:	unknown shade tolerance

Health information to match planting conditions suitable for growing the the rose cultivar of Martha Keller.

EXCLUSIVE Martha Keller COLLECTION