Hybrid Tea rose

53-191-1
53-191-2

Karen Blixen ™

Hybrid Tea POULSEN®

POUlari – L. Pernille Olesen, Mogens Nyegaard Olesen

Pure, uniform white shade. - hybrid tea rose - mild, subtle-scented rose - soft, white-rosy aroma

– Large, elegant high‑centred blooms for cutting
– Pure snow‑white flowers with excellent colour hold
– Compact, upright bush ideal for borders and pots
– Reliable repeat flowering with abundant second flush
– Moderate disease and winter hardiness in many climates
Special feature: Named Karen Blixen, a refined white Hybrid Tea for stylish arrangements.
Careful packaging – Future-proof garden selection
Karen Blixen ™
vivianaROSE® ORIGINAL 2-litre own-root potted rose
21,10 £
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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KAREN BLIXEN ™ – white hybrid tea rose

Picture a sheltered Cornish veranda, where you can take afternoon tea behind a gentle windbreak, enjoying the refreshment of cool sea air while this snow-white rose opens perfectly poised, high-centred blooms. KAREN BLIXEN ™ is a compact, upright hybrid tea that fits beautifully into small family gardens and larger containers, offering generous cut-quality flowers without demanding complex care. In British coastal conditions it feels reassuringly steady, its roots helping it sit firm in blustery weather and cope with free-draining or heavier soils as long as you provide sensible drainage. Planted as a young own-root shrub, it settles in gradually, with roots strengthening first, then top growth building, and by the third season giving you its full ornamental effect. The pure white flowers keep their elegance even in changeable weather, fading only slightly and holding a uniform colour that suits relaxed, “girly” coastal palettes and contemporary schemes alike. Use it near seating areas for its soft, white-rosy fragrance, or cut the long-stemmed, solitary blooms for vases indoors. Its dense, dark green foliage provides a calm backdrop on days when it is not in full flush, supporting a long garden season. With moderate maintenance needs and a balanced, upright habit, this reliable variety works as an accessible, long-lived choice for beginner and time-pressed gardeners.


Usage options

Target areaReasoning
Coastal veranda containers (40–50 litre or larger) In a generous container it forms a stable, upright shrub with long-stemmed blooms, easy to tend from a chair, while deep own-root anchoring keeps it steady on breezier days by the sea, well suited to beginners.
Small front gardens and narrow borders The compact, erect habit and controlled spread allow it to fit neatly into tight spaces without overpowering paths or driveways, giving formal hybrid tea flowers on an easy-to-manage footprint, ideal for busy homeowners.
Cutting patch in a family garden High-centred, solitary blooms on straight stems bring classic florist-style white roses to the house from June onwards, with remontant flowering providing regular refills for jugs and vases, appreciated by creative home gardeners.
Feature specimen near seating or tea corner Planted as a single specimen at the recommended spacing, it develops into a well-shaped bush with a mild but noticeable white-rosy scent, enhancing quiet tea breaks without overwhelming small spaces, perfect for contemplative gardeners.
Coastal-style mixed border with grasses and perennials The pure white flowers and dark foliage pair beautifully with sea kale, Festuca and low Nepeta, giving a fresh, “girly” beach palette that remains refined and structured through the season, attractive to coastal-style lovers.
Long-season focal point by the front door With remontant flowering and good colour retention, it offers a long window of clean white blooms that read well from the pavement and in evening light, providing a smart welcome for guests, valued by sociable homeowners.
Structured planting in heavy or clay-influenced soils Once established in improved ground, the bushy, upright framework and own-root resilience help it cope with typical mixed UK soils as long as you provide reliable drainage and thoughtful watering, giving confidence to cautious beginners.
Long-lived backbone rose in a family planting Starting from a young own-root plant allows a gradual build-up: first rooting in, then stronger shoots, then full flowering character by year three, giving a durable, easily refreshed shrub appreciated by long-term-minded gardeners.

Styling ideas

  • Veranda calm – place one plant in a 50–60 litre clay pot with silver-blue Festuca and a pale bistro set for a relaxed coastal tea nook – ideal for beginners wanting simple elegance.
  • White ribbon – line a short front path with evenly spaced bushes underplanted with low Nepeta x faassenii for a soft white-and-lilac welcome – suited to homeowners who like tidy structure.
  • Beach bride – mix with sea kale and Calamintha ‘Elfin Purple’ in a gravelled bed to echo wedding whites and soft pastels – perfect for romantic coastal-style lovers.
  • Cutting corner – dedicate a sunny square with three plants and easy-access paths so children can help cut stems for the house – appealing to family gardeners who enjoy shared activities.
  • Evening glow – position near a bench with discreet solar lights so the snow-white blooms stand out after sunset – ideal for busy people who mostly enjoy the garden after work.

Technical cultivar profile
ParameterData
Name and registration Hybrid tea rose from the Hybrid Tea POULSEN® collection; registered as POUlari, marketed as KAREN BLIXEN ™ – white tea-hybrid rose; ARS exhibition name: Karen Blixen.
Origin and breeding Bred in Denmark in 1990 by L. Pernille and Mogens Nyegaard Olesen for Poulsen Roser A/S; unnamed seedling cross; introduced commercially in 1996 after 1993 registration.
Growth and structural characteristics Medium-sized, upright and bushy shrub reaching around 95–125 cm high and 70–90 cm wide, with dense, glossy dark green foliage and moderate prickliness suitable for structured planting.
Flower morphology Classic hybrid tea form with high-centred, pointed buds opening to large, fully double blooms with 26–39 petals; predominantly solitary flowers on long stems and strong remontant repeat flushes.
Colour data and phenology Pure, uniform white blooms with bright white outer petals; colour retention very good, fading only to light cream-white; may show petal browning in prolonged wet weather, especially on ageing flowers.
Fragrance and aroma Mild but noticeable white-rosy fragrance best appreciated near the plant or when stems are cut for the vase; primarily selected for visual impact rather than intense scent in larger open spaces.
Hip characteristics Due to its very double flowers, hips are generally sparse; where pollination succeeds it may form small, bright red, ovoid hips around 10–14 mm, of limited ornamental or wildlife value.
Resistance and winter hardiness Hardiness rated around RHS H6 and USDA 7b, tolerating approximately −15 to −12 °C; disease resistance moderate to major rose diseases, with routine monitoring and occasional treatments recommended.
Horticultural recommendations Best in full sun with well-drained soil; suits borders, specimens, hedged rows and large containers; medium maintenance with light pruning, deadheading and regular watering during dry spells.

KAREN BLIXEN ™ offers pure white hybrid tea blooms, a compact upright habit and long-season flowering on a resilient own-root framework, making it a graceful, low-fuss choice for years of coastal or urban garden enjoyment; consider it for your next planting.

Detailed product attributes

Product Identification Data

Product Name: KAREN BLIXEN ™ – white tea-hybrid rose - Olesen & Olesen
Product Type: vivianaROSE® ORIGINAL - 2-litre own-root potted rose
Cultivar Authenticity: Verified:01.10.2025
Cultivar Quality Rating: premium bronze
Item Number: [1012] 53-191 (14.02.2026) vivianarose.co.uk

Name and Registration

Meaning of Cultivar Name: The name is a feminine given name.
Cultivar Synonym: Isis ™; Silver Anniversary ™; Roy Black ™
Original Trade Name: Karen Blixen ™
Current Trade Name: Karen Blixen ™ Hybrid Tea POULSEN® POUlari
Rose Group: Hybrid Tea
Commercial Type: hybrid tea rose
Commercial Group: Hybrid tea rose
Exhibition Category: cut flower; exhibition tea hybrid
Collection: Hybrid Tea POULSEN®

Origin and Breeding

Initial Distributor: Poulsen Roser A/S (Denmark)
Breeder: L. Pernille Olesen, Mogens Nyegaard Olesen
Breeding Company / Institution: Poulsen Roser A/S
Breeding Year: Denmark, 1990
Parentage: Unnamed Seedling × Unnamed Seedling

Growth and Structural Characteristics

Height: 3.1-4.1ft (95-125 cm)
Spread: 2.3-3ft (70-90 cm)
Growth Habit: upright (erect), bushy (forming a compact bush)
Foliage: This variety has dense foliage. The leaves are glossy and a dark green shade.
Prickliness: moderately thorny
Self-Cleaning Description: Most spent blooms remain on the plant and require deadheading.
Self-Cleaning Intensity: self-cleaning: weak

Flower Morphology

Petal Count: 26-39
Flower Fullness: double-flowered
Flower Shape: high-centred, pointed-budded (cut-rose type)
Flower Size: XL (3,5 in -)
Inflorescence Type: solitary
Colour Code: ARS code: W RHS code: 155C, 155D
Repeat Flowering: Remontant, the second flowering is also abundant.

Colour Data and Phenology

Colour: white
Flower Colour Description: Pure, uniform white shade.
Closed Bud: Greenish-white-tipped, cloaked in silky matt white petals.
Newly Opened Flower: Bright white outer petals with an inner ring that has a subtle glossy sheen.
Full Bloom: Uniform snow-white bloom, with no colour variation on the underside of the petals.
Before Fading: Fades to a light cream-white with outer petals that have a translucent effect.
Colour Fading Description: The colour is pure white and fades only slightly; in wet weather the petals may brown.

Fragrance and Aroma

Fragrance Strength: mild, subtle-scented rose
Fragrance Character: soft, white-rosy aroma
Pollinator Attraction: Its strongly double (fully double) flower form and reduced stamen accessibility mean it attracts pollinators poorly.
Pollinator-Friendly Rating: Double‑flowered variety; the stamens are partly concealed, so it is less attractive to pollinators and is valued mainly for its ornamental qualities.

Hip Characteristics

Hip Shape: egg-shaped
Hip Colour: bright red (RHS 44A)
Hip Comment: Due to its double flowers, hip formation is generally poor; occasionally 10–14 mm in diameter, ovoid, bright red (RHS 44A) hips may appear.

Resistance and Hardiness

Hardiness (°C): -15–-12 °C
Heat and Drought Tolerance Description: Tolerates heat well; endures moderate drought only for short periods and requires watering.
Disease Resistance: moderate
  • powdery mildew – moderate
  • black spot – moderate
  • rust – moderate

Horticultural Recommendations

Recommended Planting Distance: for mass planting: 60 cm; for hedging: 50 cm; as a specimen: 90 cm
Planting Density: square planting 2,8 plants/m², hexagonal arrangement 3,2 plants/m²
Partial Shade Tolerance: Best in a sunny position
Maintenance Requirement: Maintenance requirement medium; occasionally requires pest and disease control.
Primary Uses: border, cut flower, specimen, container

Comments

Strengths: Careful packaging – Future-proof garden selection
Companion Plants: Calamintha grandiflora ‘Elfin Purple’ - Large-flowered calamintha Nepeta x faassenii (low-growing cultivars) - low catmint Calamintha nepeta ‘Blue Cloud Strain’ - Glandular calamintha
Comment: -
KAREN BLIXEN ™ – white tea-hybrid rose - Olesen & Olesen
Pure, uniform white shade. - hybrid tea rose - mild, subtle-scented rose - soft, white-rosy aroma
Online rose purchase - hybrid tea rose - Karen Blixen ™ - white - (3.1-4.1ft (95-125 cm))
Inflorescence: solitary Height: 3.1-4.1ft (95-125 cm) Flower shape: high-centred, pointed-budded (cut-rose type) Winter hardiness: 4b white - Poulsen Roser A/S (Denmark) hybrid tea rose - Flower size: XL (3,5 in -) Flower size: XL (3,5 in -) - Height: 3.1-4.1ft (95-125 cm) Height: 3.1-4.1ft (95-125 cm) - Flower fullness: double-flowered Karen Blixen ™ - Roses in the garden | vivianaROSE® Original - premium bronze L. Pernille Olesen, Mogens Nyegaard Olesen

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


Which product type is right for you?


Information

In what condition do we send the rose from our online webshop?

Let us ask ourselves the question: What do I want to use the rose for?
Flower? - Location? - Screening? - Fragrance? - Height? - Breeder? - Rose hips?

Rose purchasing information
Payment methods - Delivery costs - Delivery - Complaints handling

Care guide

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

2 litre, own-root, potted rose.
With seasonal shoots appropriate to the time of year.
With a well-developed root system that permeates the growing medium.
Quality compliant with E.N.A. (European Nurserystock Association) requirements.
Supplied in unique, damage-preventing packaging.
Can be planted at any frost-free time.
True-to-variety rosebush, with unique identifier.

The own-root, potted PharmaRosa® rose is a well-rooted plant that guarantees reliable establishment for you, so it can be planted at any time of year during frost-free periods.


Crop: several varieties and several stages of development in one short crop section.
Shoot system: intense growth of fresh basal shoots on a young plant.
Root system: demonstration of the vigorous root system permeating the growing medium, with the pot removed.
Balance: mature plant with a root system and shoot system that are in harmony.

Information about the videos
This video series is not a “seasonal showcase”, but a way to make the essence of PharmaRosa®’s own-root production tangible: how the plant is built, what the root system looks like and how the shoot system renews itself. The footage was therefore taken at different times and of plants at various stages of development, so mixed levels of foliage and differing stages of growth may appear. These clips are not a ‘sample’ of the batch delivered to you, but an illustration of how the technology works. The current condition of the rose you are purchasing – typical for the given time of year and what you can realistically expect to receive in your parcel – is shown at the top 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.