J. R. Byfield is a dark red Climbing Hybrid Tea (Cl HT) climbing rose with soft fragrance. It’s undefined bloom shape blooms repeat flower and may grow to a size of large. The petal structure presents as undefined petal structure. This thorned rose has an average height of medium and width of medium.
Sign up to save and see your bookmarks.
| Registered Name: | J. R. Byfield |
| Cultivar Group: | Climbing Hybrid Tea (Cl HT) |
| Breeder/ Raiser Name: | Alister Clark |
| Registration Year: | 1941 |
| Parentage: | |
| Country Of Origin: | Australia |
| Introduction/s: | Introduced in Australia by Hazlewood Bros. Pty. Ltd. in 1941 as ‘J. R. Byfield’. |
| Flower Color: | dark red |
| Flower Fragrance: | soft fragrance |
| Petal Structure: | undefined petal structure |
| Bloom Shape: | undefined bloom shape |
| Bloom Size: | large |
| Bloom Repeat: | repeat flower |
| Growth Habit: | climbing |
| Growth Height: | medium |
| Growth Width: | medium |
| Thorns: | thorned |
| 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), 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: | unknown shade tolerance |