Joan Margaret Derrick is a dark red Polyantha (Pol) shrub rose with undefined fragrance. It’s undefined bloom shape 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: | Joan Margaret Derrick |
| Cultivar Group: | Polyantha (Pol) |
| Breeder/ Raiser Name: | Derrick |
| Registration Year: | 1953 |
| Parentage: | Golden Salmon |
| Country Of Origin: | undefined country of origin |
| Introduction/s: | none noted |
| Flower Color: | dark red |
| Flower Fragrance: | undefined fragrance |
| Petal Structure: | semi-double, 8-15 petals in two rows |
| Bloom Shape: | undefined bloom shape |
| 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: | unknown cold hardiness |
| USDA Zone: | unknown USDA zone classification |
| Shade Tolerance: | unknown shade tolerance |