White Flat Rose Bloom Single 1-7 Petals Almost Flat

R. Gigantea

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Registration & Introduction

Registered Name:R. Gigantea
Cultivar Group: Chinenses
Breeder/ Raiser Name:G. Nabonnand
Registration Year:1870
Country Of Origin:France
Introduction/s:Introduced in Australia by Roseland – B. V. Rossi in before 1912 as ‘R. gigantea’.
Registration and introduction information for the rose cultivar of R. Gigantea.


Flower Color:white
Flower Fragrance:medium fragrance
Petal Structure:single, 1-7 petals almost flat
Bloom Shape:flat
Bloom Size:6.35cm (2.5 inches)
Bloom Repeat:flower once
Growth Habit:climbing
Growth Height:15m (50ft)
Growth Width:3.05m (10ft)
Characteristics of growth to identify the rose cultivar of R. Gigantea.


Disease Resistance:high disease resistance
Cold Hardiness:low cold hardiness
USDA Zone: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), 10a (30 to 35 °F/-1.1 to 1.7 °C), 10b (35 to 40 °F/1.7 to 4.4 °C), 11a (40 to 45 °F/4.4 to 7.2 °C), 11b (45 to 50 °F/7.2 to 10 °C), 12a (50 to 55 °F/10 to 12.8 °C), 12b (55 to 60 °F/12.8 to 15.6 °C), 13a (60 to 65 °F/15.6 to 18.3 °C), 13b (65 to 70 °F/18.3 to 21.1 °C)
Shade Tolerance:medium shade tolerance
Health information to match planting conditions suitable for growing the the rose cultivar of R. Gigantea.


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