DELGROUGE – red climbing rose, climber – Delbard
For cottage-style charm in a compact Irish garden, DELGROUGE offers tall, manageable coverage for walls, fences and arches, clothing them with velvety red, semi-double blooms from early summer into autumn. Own-root plants settle reliably, building a long-lived framework that copes well with wind and rain while still rewarding you with a generous second flush. With sensible spacing and simple training, you gain height and colour without losing ground space in small city plots. Medium care needs suit busy gardeners who can spare only occasional attention, while its dense dark foliage gives a lush green backdrop even between flower waves. In typical Irish conditions, it responds well to good drainage on heavier soil and shrugs off cool summers to repeat flower steadily. Over time, roots establish, then shoots build, and by the third year the plant reaches its full ornamental presence, bringing a feeling of cheerful contentment to everyday walks to the front gate.
Usage options
| Target area |
Reasoning |
| Front-garden arch in a Dublin terrace |
Ideal where ground space is tight but you want maximum vertical impact; DELGROUGE’s tall climbing habit and long flowering season dress an archway in rich red, welcoming you home every day, especially for the busy urban gardener. |
| Cottage-style boundary fence in a family garden |
Trained along a fence at the recommended spacing, its dense foliage and repeat-flowering clusters create a soft, romantic boundary that feels enclosed but not oppressive, perfect for families seeking colour with low fuss, particularly the relaxed homeowner. |
| Wall planting on a sheltered, partially shaded aspect |
This climber tolerates partial shade, so it suits Irish side walls that only see sun for part of the day, still offering velvety red blooms without demanding constant attention, making life easier for the time-pressed beginner. |
| Pergola walkway for everyday “raindrop strolls” |
Trained over a pergola, its arching canes and dark foliage create a green tunnel with scattered red flowers, turning short walks in light rain into a calm moment of escape for the nature-loving walker. |
| Statement specimen on a strong trellis |
Given room as a single specimen on a sturdy support, DELGROUGE forms a long-lived, woody framework that repays initial training with years of reliable flowering and modest upkeep, suiting the patient hobbyist. |
| Large container by a sunny entrance |
In a 40–50 litre container with good drainage, its height and narrow footprint frame a doorway or balcony while remaining movable and easier to manage than in-ground planting, an attractive option for the apartment-based gardener. |
| Mixed cottage border with late-summer perennials |
Planted with hemp-agrimony and verbena, its clustering red blooms contrast beautifully with airy, pollinator-friendly companions, extending colour into late summer for the cottage-garden enthusiast. |
| Informal screen against prevailing winds |
On exposed Irish sites, a line of DELGROUGE on trellis can break the force of Atlantic breezes, giving filtered shelter and colour while accepting some weathering, which appeals to the coastal garden owner. |
Styling ideas
- Cottage Arch – Train DELGROUGE over a simple wooden arch with sweet alyssum at the base for a soft, “girly” entrance that flowers for months – ideal for front-garden romantics.
- Doorway Curtain – Use a sturdy trellis either side of a doorway, guiding stems out and up to create a living red curtain – perfect for homeowners who want impact without complex pruning.
- City Screen – Combine this climber with tall grasses in containers along a balcony or patio edge to gain privacy, movement and long-season colour – suited to urban dwellers with small spaces.
- Pergola Walk – Plant at each pergola post and weave new canes horizontally for a tunnel of dark foliage and glowing blooms – for families who enjoy everyday garden strolls.
- Romantic Fence – Space plants along a boundary and underplant with pink verbena for a two-tier red-and-pink fringe – ideal for cottage-garden fans seeking easy softness.
Technical cultivar profile
| Characteristic |
Data |
| Name and registration |
Registered as DELgrouge, traded as Delgrouge Large Colours DELgrouge; ARS exhibition name ‘Liliana’. Large-flowered climbing rose within the climber group, also listed as Rós dreapadó. |
| Origin and breeding |
Bred by Georges Delbard, France, and introduced by Delbard in 2001. Registration with ARS dates from 2001; parentage not recorded, but selected for climbing habit and rich red flowers. |
| Growth and structural characteristics |
Strong climbing growth, typically 200–320 cm high with 140–230 cm spread. Moderately thorny canes with dense, dark green, slightly glossy foliage forming a substantial, leafy framework over supports. |
| Flower morphology |
Semi-double, cup-shaped blooms with around 13–25 petals, in clusters. Large flowers 7–10 cm across on established plants, with remontant habit and a notably plentiful second flush later in the season. |
| Colour data and phenology |
Velvety mid- to dark red blooms with good colour retention; RHS 53A, 46A. Buds deep ruby; open flowers show saturated red with slightly lighter, sheeny centres and only slight fading in intense sun. |
| Fragrance and aroma |
Fragrance is very weak, with only a subtle rose scent detectable in favourable conditions. Primarily grown for its visual impact and colour effect rather than for pronounced perfume or sensory use. |
| Hip characteristics |
Rose hips form only sparsely due to semi-double to fuller blooms. When present, hips are 12–16 mm, ovoid, bright red, and mainly ornamental rather than significant for wildlife or culinary use. |
| Resistance and winter hardiness |
Hardy to about −21 to −18 °C (RHS H7; USDA 6b; Swedish zone 3). Disease resistance moderate to common fungal issues, with extra care needed in humid sites; handles heat if watered in prolonged drought. |
| Horticultural recommendations |
Best on pergolas, arches, walls, fences and trellises, in well-drained soil. Space 165–300 cm depending on use; allow 0.3–0.4 plants/m². Needs occasional pest and disease checks plus regular tying-in of new shoots. |
DELGROUGE gives long-season red colour, vertical coverage and manageable care on a durable own-root framework, a thoughtful choice if you’d like lasting romance along a wall, fence or arch.
