ILSE KROHN SUPERIOR® – white climbing rose – Kordes
Transform a simple boundary or pergola into a romantic, storybook haven with Ilse Krohn Superior®, a classic white climbing rose that combines reliable flowering, graceful climbing habit and enduring whiteness with reassuring ease of care. Bred by Kordes, this own-root plant settles securely even where gardens face brisk winds and frequent rain, making it well suited to exposed and coastal-style plots. Over time its dark green, glossy foliage forms a dense backdrop for clusters of double, high-centred blooms that echo traditional cut-rose elegance, equally at home over an arbour or framing a terrace for afternoon tea. Once established, the strong framework structure and dependable repeat display help it become a long-lived feature with modest annual tasks, while the own-root form encourages steady renewal and safe regrowth after pruning or winter. Ideal for family gardens and cottage borders on different soils, you can expect a natural progression from good roots, to confident shoots, to full ornamental value over the first three years, bringing increasing romance and privacy with every season.
Usage options
| Target area |
Reasoning |
| Family arbour or pergola seating area |
The climbing habit and strong framework make it perfect for training over arbours where you want shade and privacy without complex maintenance; repeat white clusters create a calm, romantic backdrop for afternoon tea – ideal for the busy beginner. |
| House wall or sunny courtyard façade |
Dense foliage and medium height allow it to soften brick or render while remaining manageable with straightforward pruning; the pure white blooms reflect light, brightening smaller courtyards and side returns – reassuring for the time-pressed homeowner. |
| Traditional cottage-garden border with supports |
The long-lasting whiteness and classic flower form blend naturally with cottage-style perennials, giving a dependable vertical accent that repeats through the season and keeps its colour rather than fading – attractive to the romantic cottage-gardener. |
| Informal boundary or screen in family gardens |
Its climbing, moderately thorny canes and dense leaf cover help define play spaces or screen neighbouring windows, while own-root resilience supports a long lifespan with simple yearly tidying – practical for the privacy-seeking family. |
| Large container by terrace or entrance (40–60 L) |
In a sufficiently large pot with good drainage, its upright, climbing growth can frame doorways or patios without needing a large bed, and the own-root system helps it recover well from repotting and harder pruning – convenient for the urban balcony-gardener. |
| Cut-flower corner in a kitchen or cutting garden |
High-centred, medium-sized blooms on clustered stems suit cutting for vases, while remontant flowering means you can take a few stems without stripping the plant of display, supporting both garden beauty and indoor arrangements – rewarding for the home flower-stylist. |
| Exposed or breezy UK plots and coastal-style sites |
Its robust climbing structure and reliable regrowth cope well where wind and rain are frequent, provided the soil is reasonably prepared, giving confidence that the plant will anchor and mature into a stable feature – reassuring for the coastal gardener. |
| Partially shaded side garden or north–east aspect |
Tolerance of partial shade allows good flowering where sun is limited to part of the day, making it suitable for side passages or corners that defeat fussier roses, while own-root growth maintains vigour over many years – ideal for the light-challenged plot-owner. |
Styling ideas
- Arbour elegance – Train over a timber arbour with gravel beneath and a bistro set, underplanting with lavender and catmint for fragrance and soft blues – perfect for relaxed tea-loving couples.
- Kitchen-garden frame – Let it climb a rustic arch at the entrance to a vegetable patch, partnered with honesty and feverfew to echo traditional cottage mix – suited to home growers who value charm and produce.
- White-on-green – Combine its snow-white clusters with dark yew or hornbeam hedging and peach-leaved bellflower at the base for vertical rhythm – ideal for those seeking a calm, restrained palette.
- Courtyard theatre – In a large 50–60 litre container, fan-train it against a warm wall with terracotta pots of herbs below for an intimate, romantic corner – appealing to small-space urban gardeners.
- Pathway romance – Use paired climbing plants on simple arches along a garden path, interplanted with soft pink and mauve perennials to create a gentle tunnel of bloom – perfect for families wanting storybook charm.
Technical cultivar profile
| Property |
Data |
| Name and registration |
Hybrid Kordesii climbing rose, registered as Ilse Krohn Superior and marketed as Ilse Krohn Superior® climbing rose; approved exhibition name Ilse Krohn Superior for show and catalogue use. |
| Origin and breeding |
Spontaneous mutation of ‘Ilse Krohn’ (Golden Glow × Rosa kordesii), bred by Reimer Kordes at W. Kordes’ Söhne, Germany; selected and introduced in 1964 for improved garden performance. |
| Growth and structural characteristics |
Vigorous climber 250–380 cm high and 170–240 cm spread, with dense, dark green, slightly glossy foliage and moderately thorny canes; forms a stable, trainable framework on walls, arches and pergolas over time. |
| Flower morphology |
Medium-sized, double blooms with 26–39 petals, high-centred and pointed like classic cut roses; borne mainly in clusters; remontant with a generous second flush that extends interest well beyond early summer. |
| Colour data and phenology |
Pure snow-white flowers, sometimes faintly creamy at the centre; colour code ARS W, RHS NN155D outer and NN155B inner; colour stays white, with only slight browning on petal edges in intense sun or heat. |
| Fragrance and aroma |
Mild, fresh rose fragrance of restrained strength, noticeable at close range but not overpowering near seating; chosen more for visual purity and form than for strong scent in enclosed or sheltered spaces. |
| Hip characteristics |
Low hip set due to double flowers; where formed, hips are spherical, orange, around 15–22 mm across, adding modest late-season detail without distracting from the rose’s primary ornamental flowering role. |
| Resistance and winter hardiness |
Rated H7 and hardy to approximately −26 to −23 °C, USDA Zone 5b, Swedish Zone 4; medium resistance to powdery mildew, black spot and rust, benefiting from standard feeding, watering and hygiene practices. |
| Horticultural recommendations |
Suited to pergolas, walls and arches, plus cutting; plant 140–250 cm apart depending on use; prefers regular pruning, balanced fertiliser and pest monitoring; partial shade tolerant, with moderate heat and drought tolerance. |
Ilse Krohn Superior combines pure white repeat flowering, a reliable climbing framework and long-lived own-root resilience, making it a thoughtful choice for creating a romantic, low-fuss feature in your garden.
