ROTER KORSAR ® – deep red park rose – Kordes
Bring a touch of romantic drama to your garden with ROTER KORSAR®, a reliable shrub rose bred to thrive through soft Irish rain and breezy, coastal weather while holding its remarkable dark-red colour. Its semi-double blooms open into welcoming, bee-friendly clusters that repeat generously from summer into autumn, so there is always something to enjoy on your daily garden wander. Dense, glossy foliage and naturally tidy, self-cleaning flowers keep the plant looking orderly without fussy deadheading, ideal for busy urban gardeners. As an own-root rose it builds strength steadily, with roots establishing in year one, framework in year two and full ornamental value by year three, giving enduring confidence in hedges, mixed beds or cottage-style plantings. Low-maintenance and robust, its award-winning health and urban tolerance make it an easy, long-lived choice for relaxed, “girly” cottage borders or compact Dublin front gardens where space and time are both precious.
Usage options
| Target area | Reasoning |
| Front-garden statement shrub |
ROTER KORSAR® forms a bushy, arching shrub about 120–180 cm tall, with dense, glossy foliage that looks well-kept even in small Dublin front gardens. The strong repeat flowering gives reliable colour from summer to autumn for beginners. |
| Low-maintenance flowering hedge |
Planted 50 cm apart, this variety knits into an informal hedge, with semi-double, self-cleaning blooms reducing deadheading work. Own-root plants regenerate well after pruning, so the hedge stays full and long-lived for busy homeowners. |
| Cottage-style mixed border |
The radiant dark-red flowers hold their colour well and combine beautifully with soft pinks and blues in a “girly” cottage border. Semi-double blooms with accessible stamens offer extra interest for bees, pleasing nature-lovers. |
| Urban and roadside planting |
With proven urban tolerance and strong disease resistance, ROTER KORSAR® performs reliably where air quality and reflected heat can be challenging, needing only occasional watering in prolonged dry spells for city gardeners. |
| Small climbing feature on supports |
Its arching canes can be lightly tied to a pillar, trellis or railings, creating a vertical accent of dark-red clusters without the size or maintenance of a full climbing rose, ideal for compact plots and terrace-owners. |
| Pollinator-friendly family garden corner |
Semi-double, open flowers invite bees and other insects, adding life and movement that children notice and enjoy. Moderate orange-red hips extend the season of interest, supporting a gentle nature-learning space for young families. |
| Reliable long-term backbone shrub |
As an own-root rose it ages gracefully, rebuilding from the base after pruning and keeping an even, balanced shape over many years. Steady establishment means you can expect its best display from the third season, reassuring planners. |
| Rain-resilient bed or border planting |
Bred by Kordes with ADR-level health, this rose shrugs off common fungal problems in humid, showery Irish summers, staying leafy and attractive with minimal spraying, a practical advantage for low-effort gardeners. |
Styling ideas
- Cottage-Romantic – Underplant with pink geraniums and white campanula for a soft, feminine cottage look using its rich repeat bloom – perfect for romantic front-garden owners.
- Bee-Boulevard – Combine with Echinops and lavender along a path, letting the semi-double clusters and accessible stamens support busy pollinators – ideal for wildlife-focused families.
- Ruby-Hedge – Create a low, informal boundary hedge, weaving in Carex flacca ‘Blue Zinger’ for contrast while the self-cleaning flowers keep things tidy – suited to time-poor homeowners.
- Urban-Jewel – In a 40–50 litre container by the door, its dark-red colour and glossy foliage give a smart, low-care welcome – great for city terrace and balcony gardeners.
- Evening-Glow – Place behind pale perennial grasses so the dark-red blooms glow in soft evening light, relying on its colour-holding ability – appealing to design-conscious gardeners.
Technical cultivar profile
| Property | Data |
| Name and registration |
Roter Korsar® park rose, registered as KORromalu; shrub/park rose suitable for garden and park use, hedging or training lightly as a small climber in domestic settings. |
| Origin and breeding |
Bred by W. Kordes & Sons in Germany, breeding year 2003, registered 2006 and introduced after 2006; selected for health, colour stability and reliable repeat flowering in varied climates. |
| Awards and recognition |
ADR certified in Germany, Gold Standard in the UK; Gold Medals in Dublin and Belfast Trials, Silver in Kortrijk, and Golden Rose at Hradec Králové, confirming outstanding garden performance. |
| Growth and structural characteristics |
Bushy shrub with arching canes, typically 120–180 cm high and 60–100 cm wide; dense, dark green glossy foliage, moderately thorny stems and a naturally full habit suited to hedges and beds. |
| Flower morphology |
Semi-double, flat, cluster-flowered blooms, medium-sized at 4–7 cm with 13–25 petals; abundant, strongly remontant flushes providing a rich display from early summer through to autumn. |
| Colour data and phenology |
Uniform dark-red flowers (RHS 53A–53B) from bud to fall; colour remains intense without bluing and fades very little, with slightly deeper petal reverses enhancing depth in full bloom. |
| Fragrance and aroma |
Fragrance is very weak and barely perceptible; chosen primarily for colour effect, resilience and repeat flowering rather than scent, making it ideal where visual impact is the main priority. |
| Hip characteristics |
Produces spherical orange-red hips about 8–12 mm across, in moderate quantities, extending seasonal interest into autumn and providing a discreet food source for birds and wildlife. |
| Resistance and winter hardiness |
Excellent resistance to powdery mildew, black spot and rust; hardy to about −21 to −18 °C (RHS H7, USDA 6b), with good heat and drought tolerance if watered during long dry spells. |
| Horticultural recommendations |
Plant in well-drained soil, spacing 55 cm in beds and 50 cm for hedges; tolerates partial shade and urban conditions, benefiting from mulching to protect roots and maintain moisture. |
ROTER KORSAR® offers long-lived, low-maintenance dark-red flowering, strong disease resistance and dependable own-root regrowth, making it a thoughtful choice if you value reliable colour with little fuss.