Dick Koster Superior is a bright red Polyantha (Pol) shrub rose with undefined fragrance. It’s undefined bloom shape blooms repeat flower and may grow to a size of small. 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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| Registered Name: | Dick Koster Superior |
| Cultivar Group: | Polyantha (Pol) |
| Breeder/ Raiser Name: | D.A. Koster |
| Registration Year: | 1955 |
| Parentage: | Dick Koster |
| Country Of Origin: | Netherlands |
| Introduction/s: | none noted |
| Flower Color: | bright red |
| Flower Fragrance: | undefined fragrance |
| Petal Structure: | double, 16-25 petals in three or more rows |
| Bloom Shape: | undefined bloom shape |
| Bloom Size: | small |
| 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 |