ROSENTHAL – dark red hybrid tea rose - Kordes
Picture a soft Irish drizzle catching the velvet of deep-red blooms: Rosenthal fills a small front garden or cottage border with classic, high-centred flowers on an upright, compact plant that fits comfortably into family plots. Its strong, rose-scented fragrance carries on damp evenings, while glossy dark foliage stays healthy with little intervention, even where summers are cool and light levels modest. Bred for good disease resistance, it suits busy gardeners who prefer admiring to fussing. Expect a generous first flush and a plentiful second wave of blooms, bringing reliable flowering structure to your beds despite shorter Irish summers and the kind of rainfall that would challenge fussier varieties. As an own-root plant, it builds strength steadily – roots the first year, top-growth the second, and full garden presence by the third – giving long-term security for your investment and a quietly luxurious note to everyday outdoor moments.
Usage options
| Target area | Reasoning |
| Sunny front garden bed along a path |
The compact, upright habit stays within 70–95 cm, ideal beside paths or low walls where you need height without overshadowing windows. Strong, classic rose fragrance greets you every time you pass – a daily pleasure for the scent-seeking homeowner. |
| Feature rose in a small Irish cottage garden |
Deep, velvety dark-red blooms read clearly against stone, gravel and traditional perennials, giving a romantic focal point without dominating a modest space. High-centred exhibition-style flowers create a “proper rose” look prized by the nostalgic gardener. |
| Cutting patch or cutting corner in a family garden |
Very double, long-stemmed, high-centred blooms are ideal for classic vases and special-occasion bouquets. Strong, traditional perfume fills the house, turning even a small cutting row into a useful luxury for the practical flower-loving beginner. |
| Low-maintenance mixed border near the house |
Good resistance to black spot, powdery mildew and rust keeps foliage attractive with minimal spraying, even in damp, changeable Irish weather. This makes it well suited to busy households who want beauty without constant chores – perfect for the time-poor urbanite. |
| Specimen rose in a 40–50 litre patio container |
In a large, well-drained container, the upright shape and repeat flowering provide months of colour close to seating areas. Own-root growth ensures the plant can be rejuvenated by pruning, extending its useful life for the balcony or patio-focused dweller. |
| Paired planting in formal or semi-formal beds |
Uniform dark-red colouring and high-centred flowers create a neat, coordinated effect when planted in twos or threes, ideal for structured layouts. Repeating the same variety keeps maintenance simple for the symmetry-loving planner. |
| Small rose bed in heavy Irish clay soil |
While it appreciates decent drainage, Rosenthal copes well once established, rewarding basic soil improvement with robust, long-lived growth. This is especially reassuring where typical garden clay might discourage less determined owner. |
| Long-season display near frequently used entrances |
A remontant habit with a plentiful second flush offers flowers over a long season, so entrances and drives keep their smart look beyond high summer, even when the weather turns cool and showery in early autumn for the detail-conscious host. |
Styling ideas
- Cottage-Romantic – Combine Rosenthal with airy pink gypsophila and lavender for a soft, “girly” cottage look – ideal for nostalgic front-garden creators.
- City-Formal – Plant in pairs flanking a doorway with clipped box or low hebes for a simple, smart entrance – suited to busy urban homeowners.
- Evening-Scented – Place near a bench, mixed with white candytuft and soft grasses, so fragrance and dark blooms stand out at dusk – perfect for after-work relaxers.
- Patio-Showpiece – Grow a single plant in a 40–50 litre container with trailing thyme around the rim for easy, fragrant impact – good for balcony and terrace users.
- Cutting-Corner – Group three plants in a sunny strip with repeat-flowering perennials, giving a steady supply of long-stemmed roses – appealing to home bouquet enthusiasts.
Technical cultivar profile
| Parameter | Data |
| Name and registration |
Hybrid tea rose, registered as KORtat, marketed as Rosenthal Hybrid tea rose KORtat, also shown as Tatjana at exhibitions; part of the Rós taehibride commercial group. |
| Origin and breeding |
Bred by Reimer Kordes, W. Kordes’ Söhne, Germany, from ‘Liebeszauber’ × ‘Präsident Dr. H.C. Schroder’; introduced and registered in 1970 as a premium garden and cut rose. |
| Growth and structural characteristics |
Upright, bushy habit reaching about 70–95 cm high and 50–70 cm wide, with dense, glossy dark green foliage and moderate thorns, forming a compact, well-filled shrub for beds. |
| Flower morphology |
Very double, high-centred, pointed-budded hybrid tea flowers with more than 40 petals, mostly borne singly on stems, classified XL size at 10 cm or more, ideal for cutting. |
| Colour data and phenology |
Deep, velvety dark red blooms with excellent colour retention; buds burgundy to almost black, opening ruby-red with deeper inner shading and only slight fading in strong sun. |
| Fragrance and aroma |
Strong, classic rose fragrance, easily noticeable in the garden and in the vase, providing a traditional scent experience particularly effective in sheltered seating or entrance areas. |
| Hip characteristics |
Produces small numbers of hips, ellipsoidal in shape, about 10–14 mm in diameter, colouring to an orange-red tone; hips are modest ornamental features rather than the main focus. |
| Resistance and winter hardiness |
Good resistance to powdery mildew, black spot and rust; winter hardy to about −21 to −18 °C (RHS H7, USDA 6b, Swedish zone 3), performing reliably in typical Irish conditions. |
| Horticultural recommendations |
Best in full sun with fertile, well-drained soil; space 50–90 cm depending on use, maintain light deadheading, water in dry spells, and mulch annually to support long-term vigour. |
ROSENTHAL – dark red hybrid tea rose KORtat offers strong fragrance, repeat flowering and durable, disease-resistant growth on an own-root plant that should settle into your garden for many years of easy enjoyment, well worth your consideration.