Romantic rose

40-035-1
40-035-2

Birthe Kjaer

Renaissance®

POUlren033 – Mogens Nyegaard Olesen

Uniform, rich mid-red tone with velvety petals. - nostalgia rose - strongly scented, long-lasting rose - scent description not available

– Rich mid-red, velvety romantic blooms.
– Strong, long-lasting classic rose scent.
– Bushy, upright shrub with dense glossy foliage.
– Reliable repeat flowering with abundant second flush.
– Good winter hardiness to RHS H7, USDA 6b.
Special feature: Awarded Bronze Medal at Japan Rose Concours 2021.
Long-lasting plant – Sustainable garden design
Birthe Kjaer
vivianaROSE® ORIGINAL 2-litre own-root potted rose
23,10 £
Unfortunately, we are currently unable to ship to the United Kingdom; we only deliver to countries within the European Union. For more information, please contact us!
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BIRTHE KJAER – Red Nostalgic Rose - Olesen

Imagine returning from a breezy coastal walk, seashells in hand, to sit behind a living windbreak of glowing red blooms: Birthe Kjaer brings a quietly dramatic yet low-fuss presence to compact family gardens and verandas by the sea. Its bushy, upright habit anchors beds securely while coping well with changeable weather, offering a reassuring sense of stability when Atlantic showers roll through and breezes rise. Large, velvety rosette flowers appear in generous flushes, with good self-cleaning so you spend more time enjoying their fragrance than deadheading. As an own-root shrub, it establishes steadily for a long garden life, responding well to pruning and regenerating from the base for dependable renewal. Plant once, water and mulch carefully, and over three seasons you will see roots settle in year one, strong shoots build in year two, and full ornamental impact from year three, creating a lasting red focal point that pairs beautifully with coastal grasses and silvery foliage for effortless elegance.


Usage options

Target areaReasoning
Coastal veranda container, 40–50 litre or larger A single Birthe Kjaer in a generous 40–50 litre container forms a compact, upright shrub that stands up well to blustery weather in small outdoor sitting areas, making it ideal for a relaxed coastal-style veranda for the beginner gardener.
Feature shrub in a small front garden Its bushy, mid-sized habit and dense, glossy foliage create an elegant, tidy feature in modest UK front gardens, providing strong visual structure with minimal shaping and a nostalgic red welcome that suits busy homeowners.
Romantic mixed rose and perennial bed The rich, uniform red flowers repeat in generous flushes, weaving a romantic thread through perennials while the self-cleaning blooms reduce deadheading, keeping the bed attractive for longer with less effort for hobby gardeners.
Low wind-filtering line along a patio or seating area Planted in a loose line, its upright framework and good anchoring in well-prepared soil gently sift coastal breezes into a more comfortable airflow around seating, particularly useful where frequent seaside winds meet family garden users.
Small informal hedge or boundary marker At the recommended hedge spacing, shrubs knit into a low, flowering boundary that feels welcoming rather than formal, offering repeating colour and a degree of privacy with straightforward pruning, well suited to time-pressed urban residents.
Lightly shaded side garden or east-facing bed Its suitability for partial shade allows reliable flowering on east- or north-east-facing aspects where morning sun and afternoon shade prevail, helping you make use of trickier side plots that often daunt less experienced gardeners.
Cutting patch for scented nostalgic blooms Long-stemmed, large, double rosette flowers with a strong, lasting scent make excellent cut blooms; regular picking encourages further flushing so one planting can supply vases through the season for flower lovers.
Long-term structural planting in sustainable designs As an own-root shrub with a long lifespan, it builds a stable framework that can be rejuvenated from the base after hard pruning, supporting sustainable, low-replacement planting schemes that appeal to environmentally aware garden planners.

Styling ideas

  • Coastal Veranda Retreat – Combine Birthe Kjaer in a large pot with sea kale and blue Festuca around gravel, creating a sheltered nook that handles breezy, salty air – ideal for balcony and veranda owners.
  • Raspberry-and-White Border – Thread its velvety red blooms through white Dianthus and silvery foliage for a crisp, seaside-cream palette – perfect for those who favour clean, romantic lines.
  • Nostalgic Tea Corner – Plant near a small seating area, with lavender and low grasses to catch the breeze and fragrance, for relaxed afternoon tea moments – suited to scent-focused rose enthusiasts.
  • Front-Garden Welcome – Use as a single focal shrub under a window, framed by soft groundcovers, to give instant character without complex maintenance – attractive for busy family households.
  • Red Cutting Patch – Group three shrubs with easy perennials for a steady supply of long-stemmed, scented blooms for indoor vases – appealing to home florists and gift-givers.

Technical cultivar profile
CharacteristicData
Name and registration Birthe Kjaer Renaissance, shrub rose, Romantic nostalgia type; registered as POUlren033, introduced commercially after 2020, premium silver selection within the vivianaROSE ORIGINAL 2-litre own-root range.
Origin and breeding Bred in Denmark in 2019 by Mogens Nyegaard Olesen for Poulsen Roser A/S, from unnamed parents; registered 2020 (EU CPVO) and 2022 (US PP) and introduced as a modern Renaissance collection shrub.
Awards and recognition Internationally acknowledged with a Bronze Medal at the 2021 Japan Rose Concours in Tokyo, underlining its ornamental value and garden performance in demanding show conditions and diverse climates.
Growth and structural characteristics Bushy, upright shrub reaching about 100–140 cm in height and 70–110 cm spread, with dense, mid-green, glossy foliage and moderate prickles, forming a well-filled, structural presence in beds or containers.
Flower morphology Large, double rosette blooms with 26–39 petals, borne in clusters of 3–5 per stem; remontant with a particularly abundant second flush, giving generous, traditional-looking flowers for beds and cutting.
Colour data and phenology Uniform rich mid-red, ARS MR, RHS 46A–46B; buds deep and velvety, opening with lighter outer petals that soften slightly to raspberry red yet retain clarity, with overall good colour retention through the bloom’s life.
Fragrance and aroma Classified as strongly scented with a long-lasting fragrance effect on the plant and in the vase; precise scent notes are not documented but it is positioned primarily as a fragrant, ornamental garden rose.
Hip characteristics Due to double flowers, hips are generally sparse; occasional small, spherical, red hips 8–12 mm across may develop, adding a discreet seasonal accent without dominating the shrub’s ornamental display.
Resistance and winter hardiness Rated H7 and USDA zone 6b, hardy to around -21 °C; moderate resistance to powdery mildew, black spot and rust, performing well with basic preventive care in typical UK garden conditions.
Horticultural recommendations Best at 55–100 cm spacing depending on use; suitable for partial shade and mixed borders; regular watering, mulching and occasional pest or disease checks help maintain stable long-term performance in family gardens.

BIRTHE KJAER – Red Nostalgic Rose - Olesen offers generous repeat flowers, a tidy, structural habit and a long-lived own-root constitution, making it a considered choice for those planning a lasting coastal-style garden.

Detailed product attributes

Product Identification Data

Product Name: BIRTHE KJAER – Red Nostalgic Rose - Olesen
Product Type: vivianaROSE® ORIGINAL - 2-litre own-root potted rose
Cultivar Authenticity: Verified:19.05.2025
Cultivar Quality Rating: premium silver
Item Number: [848] 40-035 (14.02.2026) vivianarose.co.uk

Name and Registration

Meaning of Cultivar Name: The name is a female given name.
Original Trade Name: Birthe Kjær™
Current Trade Name: Birthe Kjaer Renaissance® POUlren033
Rose Group: Shrub
Commercial Type: nostalgia rose
Commercial Group: Romantic rose
Exhibition Category: shrub rose
Collection: Renaissance®

Origin and Breeding

Initial Distributor: Poulsen Roser A/S (Denmark)
Introduction Year: after 2020
Registration Year: 2020 (EU CPVO); 2022 (US PP)
Breeder: Mogens Nyegaard Olesen
Breeding Company / Institution: Poulsen Roser A/S
Breeding Year: Denmark, 2019
Parentage: Unnamed seedling × Unnamed seedling

Awards and Honours

Competition and Show Awards: Tokyo – Bronze Medal (Japan Rose Concours) (2021)

Growth and Structural Characteristics

Height: 3.3-4.6ft (100-140 cm)
Spread: 2.3-3.6ft (70-110 cm)
Growth Habit: bushy, upright
Foliage: The variety's foliage is dense; the leaves have a glossy surface and a mid-green shade (RHS 137A).
Prickliness: moderately thorny
Self-Cleaning Description: Most spent flowers fall off by themselves.
Self-Cleaning Intensity: Self-cleaning: good

Flower Morphology

Petal Count: 26-39
Flower Fullness: double-flowered
Flower Shape: rosette
Flower Size: L (2,75-3,95 in)
Inflorescence Type: clustered, 3-5 flowers/stem
Colour Code: ARS code: MR RHS code: 46A (outer), 46B (inner)
Repeat Flowering: Remontant, with an abundant second flowering.

Colour Data and Phenology

Colour: red
Flower Colour Description: Uniform, rich mid-red tone with velvety petals.
Closed Bud: Deep mid-red, slightly darkening towards the tip, with a velvety texture.
Newly Opened Flower: Outer petals are lighter, inner petals a deeper red with a fine glossy sheen.
Full Bloom: Harmonious, uniform red, with the outer petals sometimes showing a paler shade.
Before Fading: The red shade fades slightly, paling towards raspberry red, but retains its purity.
Colour Fading Description: During opening the uniform mid-red tone only slightly fades; the outer petals may become lighter, softening to raspberry red before the bloom fades, but it retains its clarity.

Fragrance and Aroma

Fragrance Strength: strongly scented, long-lasting rose
Fragrance Character: scent description not available
Pollinator Attraction: Its strongly double flower form conceals the stamens and limits their accessibility, so it attracts few pollinators.
Pollinator-Friendly Rating: Its double flowers largely conceal the stamens, so it attracts pollinators only weakly; it is primarily an ornamental variety.

Hip Characteristics

Hip Shape: spherical
Hip Colour: red (RHS 53A)
Hip Comment: Hips are expected to be sparse due to the double flowers; occasionally 8–12 mm in diameter, globose, red (RHS 53A) hips may appear.

Resistance and Hardiness

Hardiness (°C): -21–-18 °C
Heat and Drought Tolerance Description: Heat tolerance is suitable up to AHS heat zone 7. There is no data on drought tolerance.
Disease Resistance: moderate
  • powdery mildew – moderate
  • black spot – moderate
  • rust – moderate

Horticultural Recommendations

Recommended Planting Distance: 65 cm for mass planting, 55 cm for hedging, 100 cm for solitary specimens
Planting Density: square planting 2,4 plants/m², hexagonal arrangement 2,7 plants/m²
Partial Shade Tolerance: suitable for partial shade
Maintenance Requirement: Maintenance requirement medium; requires occasional pest and disease control.
Primary Uses: flower bed, park, specimen plant, cut flower

Comments

Strengths: Long-lasting plant – Sustainable garden design
Companion Plants: Dianthus gratianopolitanus - cheddar pink
Lythrum salicaria - purple loosestrife
Prunus laurocerasus 'Klári' - cherry laurel
Comment: -
BIRTHE KJAER – Red Nostalgic Rose - Olesen
Uniform, rich mid-red tone with velvety petals. - nostalgia rose - strongly scented, long-lasting rose - scent description not available
Online rose purchase - nostalgia rose - Birthe Kjaer - red - (3.3-4.6ft (100-140 cm))
Inflorescence: clustered, 3-5 flowers/stem Height: 3.3-4.6ft (100-140 cm) Flower shape: rosette Winter hardiness: 5b red - Poulsen Roser A/S (Denmark) nostalgia rose - Flower size: L (2,75-3,95 in) Flower size: L (2,75-3,95 in) - Height: 3.3-4.6ft (100-140 cm) Height: 3.3-4.6ft (100-140 cm) - Flower fullness: double-flowered Birthe Kjaer - Roses in the garden | vivianaROSE® Original - premium silver Mogens Nyegaard Olesen

We showcase the external appearance of the roses available for online purchase from our webshop.


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Information

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Let us ask ourselves the question: What do I want to use the rose for?
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Care guide

Our product is a rose grown with pharmaROSA®’s unique cultivation technology!

2-litre, own-root, potted rose.
With a shoot system appropriate to the season.
With a root system that thoroughly permeates the growing medium.
Quality compliant with the requirements of the E.N.A. (European Nurserystock Association).
Supplied in unique packaging that prevents damage.
Can be planted during frost-free periods.
True-to-variety rose bush with a unique identifier.

The pharmaROSA® own-root potted rose is a well-rooted plant that supports reliable establishment when planted and cared for properly, so it can be planted whenever the soil is not frozen.


Crop overview: several varieties and growth stages in a short crop section.
Shoot system: intensive growth of fresh basal shoots on a young plant.
Root system: demonstration of a vigorous root system permeating the growing medium, by removing the pot.
Balance: mature plant with root system and shoots in harmony with each other.

Information about the videos
The video series is not a “seasonal showcase”; it illustrates the essence of pharmaROSA® own-root cultivation in a tangible way: how the plant is built up, what the root system is like and how the shoot system regenerates. The recordings were therefore made at different times and with plants at various stages of development, so mixed foliage levels and differing stages of growth may appear in the videos. They are not a ‘sample’ of the batch dispatched, but a visual explanation of how the technology works. The current condition of the rose available to order — typical for the given period and similar to what you can expect to receive in the parcel — is shown in the upper part of the product page.

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Product types

Pages for private customers
Garden roses for the family garden, with minimal care  → ORIGINAL®
Premium garden roses – instant impact, a truly showpiece garden  → EXTRA®
Pages for professionals and private customers
Roses for public spaces – large areas, sustainable maintenance  → NATURAL®
Roses for projects – hedge and row planting, fast implementation  → RAPID®
For professional partners only
Production – propagation material for garden roses, wholesale  → NEONATAL®

Company details

PharmaRosa Ltd.
Company registration number: 01-09-717479
VAT number: 13075314-2-43
Plant health registration no.: HU130721
Bank account (IBAN):
HU85117631891388688400000000
BIC (SWIFT): OTPVHUHB
Bank name: OTP Bank Nyrt.