St. Leonard’s is a white Noisette (N) shrub rose with medium fragrance. It’s flat blooms repeat flower and may grow to a size of medium. The petal structure presents as semi-double, 8-15 petals in two rows. This thorned rose has an average height of medium and width of medium.
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| Registered Name: | St. Leonard’s |
| Cultivar Group: | Noisette (N) |
| Breeder/ Raiser Name: | unknown |
| Registration Year: | |
| Parentage: | |
| Country Of Origin: | United States of America |
| Introduction/s: | none noted |
| Flower Color: | white |
| Flower Fragrance: | medium fragrance |
| Petal Structure: | semi-double, 8-15 petals in two rows |
| Bloom Shape: | flat |
| Bloom Size: | medium |
| Bloom Repeat: | repeat flower |
| Growth Habit: | shrub |
| 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) |
| Shade Tolerance: | unknown shade tolerance |