ROTER KORSAR ® – deep red park rose - Kordes
With its velvety dark-red blooms and naturally bushy habit, ROTER KORSAR® offers dependable structure and colour for family gardens without demanding intensive care. Bred by Kordes and ADR-tested, it provides reliably healthy foliage in typical British conditions, even where damp weather can combine with heavier soils and exposed winds. Strongly repeat-flowering and well self-cleaning, it keeps borders neat as old petals drop away on their own. The dense, glossy leaves and arching shoots build a long-lived hedge or specimen that matures steadily as roots deepen, so you see solid framework in year one, rising flower power in year two, and full ornamental value by year three. Semi-double clusters are gently pollinator-friendly, while modest orange-red hips add late-season interest, making this easy-care investment a versatile choice for classic front gardens and relaxed cottage-style mixes.
Usage options
| Target area | Reasoning |
|---|
| Front garden focal shrub |
The bushy, upright habit forms a clear vertical accent without becoming overbearing, ideal for anchoring a small front bed beside a door or path. Self-cleaning flowers reduce deadheading, so the plant keeps a tidy outline with limited effort – perfect for the busy beginner. |
| Informal flowering hedge |
Planted at 50–55 cm intervals, its dense foliage and arching canes knit into an attractive, semi-formal hedge that screens boundaries while flowering repeatedly through the season. The own-root structure builds a durable framework that responds well to periodic trimming – ideal for the family homeowner. |
| Mixed cottage-style border |
The saturated dark-red blooms sit beautifully among perennials and ornamental grasses, bringing depth and contrast without overwhelming softer tones. Healthy, glossy leaves give a solid green backdrop even between flushes, supporting that “planted once, looks after itself” feel – reassuring for the style-conscious starter. |
| Low-maintenance park bed or larger border |
Heat- and disease-tolerant growth keeps maintenance low in urban or exposed settings, as routine watering in dry spells and a yearly prune are usually sufficient. Mass planting at 3–4 plants/m² creates a cohesive, long-lived block of colour and structure – well suited to the time-pressed gardener. |
| Small group planting (1–3 shrubs) |
A cluster of two or three shrubs gives a generous effect in modest gardens, with overlapping flower flushes from early summer onwards. Own-root plants adapt to soil and climate, gradually forming balanced bushes that need only light shaping each winter – attractive for the practical beginner. |
| Wildlife-friendly ornamental corner |
Semi-double blooms with exposed stamens draw in bees and other beneficial insects, and the later orange-red hips offer additional seasonal interest. This makes it easy to combine strong garden aesthetics with a touch of habitat value in smaller spaces – appealing to the nature-minded owner. |
| Large container on terrace or patio |
In a 40–50 litre or larger container with good drainage, its structured, upright habit and repeat bloom provide long-season colour close to seating areas. Own-root resilience allows for renovation pruning if needed, helping the plant reshoot strongly after many years – a boon for the courtyard gardener. |
| Boundary or driveway planting in exposed spots |
This variety’s robust growth and proven health let it cope with wind-exposed frontages where many roses struggle, provided the soil is reasonably drained and not waterlogged in winter. This resilience simplifies planting decisions in more challenging positions – welcome for the cautious newcomer. |
Styling ideas
- COTTAGE CLUSTER – Plant 3 shrubs in a loose triangle with blue globe thistles and soft pink perennials for a classic, layered cottage feel – for romantically inclined homeowners.
- FRONT-DOOR FOCUS – Use a single shrub in a generous 50–60 litre pot, flanked by clipped box or low grasses, to frame an entrance with deep red colour – for neat, design-aware city dwellers.
- RUBY HEDGE – Create a flowering boundary by spacing plants at 50 cm, underplanting with glaucous sedges for foliage contrast and easy groundcover – for those seeking structure with minimal upkeep.
- MIXED MEADOW – Combine with airy ornamental grasses and white or yellow daisies so the rich red flowers punctuate a looser, naturalistic scheme – for fans of relaxed, wildlife-friendly borders.
- SMALL-BED SHOWPIECE – Place two shrubs at the back of a 1–2 m bed with low lavender and catmint in front to echo traditional British front gardens – for beginners wanting instant, classic impact.
Technical cultivar profile
| Parameter | Data |
|---|
| Name and registration |
Roter Korsar® (KORromalu); shrub / park rose for garden and landscape use, registered 2006, recognised in trials under the same name for exhibition and cataloguing. |
| Origin and breeding |
Bred by W. Kordes & Sons in Germany from unknown parentage, selected 2003 and introduced after 2006 as a robust, landscape-suitable shrub rose with dependable health and garden performance. |
| Awards and recognition |
Holds ADR certification (Germany, 2005) and UK Gold Standard (2008), plus multiple gold and silver medals from European rose trials, demonstrating proven reliability and ornamental quality in varied climates. |
| Growth and structural characteristics |
Bushy shrub with arching canes, 120–180 cm high and 60–100 cm wide, moderately thorny, with dense, dark green, glossy foliage providing good ground cover and a strong visual framework in beds and hedges. |
| Flower morphology |
Semi-double, flat blooms with 13–25 petals, medium-sized clusters on strong stems, strongly remontant with abundant second and later flushes, maintaining good display from early summer into autumn. |
| Colour data and phenology |
Uniform dark-red flowers (RHS 53A–53B) from burgundy buds to intense ruby red blooms, colour holding well with minimal fading or bluing, giving a consistently rich effect across successive flushes. |
| Fragrance and aroma |
Fragrance is very weak and barely noticeable, making it suitable where strong scent is not desired or in mixed plantings where visual impact, colour depth and plant health are the primary selection criteria. |
| Hip characteristics |
Produces spherical, orange-red hips 8–12 mm in diameter in moderate numbers, adding a discrete autumn accent without overwhelming the plant’s overall appearance or complicating maintenance. |
| Resistance and winter hardiness |
Very good resistance to powdery mildew, black spot and rust; hardy approximately to -21 °C (RHS H7, USDA 6b), tolerates heat with watering during prolonged dry spells and suits urban and exposed sites. |
| Horticultural recommendations |
Low-maintenance shrub rose for beds, hedges, parks and urban plantings; prefers well-drained soil, suitable for partial shade, with recommended spacings from 50–90 cm depending on use and design. |
ROTER KORSAR ® offers healthy, low-maintenance, repeat-flowering structure in rich dark red, and as a long-lived own-root shrub it settles securely into family gardens; an excellent option if you seek reliable colour with modest effort.
