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

– Pure, uniform snow-white flower colour.
– Elegant high‑centred blooms for cut flowers.
– Compact, upright bush ideal for borders.
– Reliable remontant flowering through the season.
– Subtle, soft white‑rosy fragrance.
– Special feature: Premium exhibition‑quality Hybrid Tea from Poulsen Roser for refined garden and vase displays.

Exclusive finished product

pharmaROSA® NEONATAL rooted rose cutting

28,34 £

Due to courier service regulations – and the introduction of customs clearance – delivery to Ireland is temporarily suspended.

4.5 (6675)

Karen Blixen ™ Hybrid Tea POULSEN® POUlari – pharmaROSA® NEONATAL

With its premium flower presentation and compact framework, Karen Blixen ™ POUlari offers professional growers a reliable own-root base for container and border production where exclusive white hybrid tea blooms are required. Uniform, bushy growth with dense, dark foliage supports a clearly defined 3–5 cane structure suited to a premium 5–7 L route and efficient deadheading programmes. The very large, high-centred blooms and high form stability align with cut-flower style expectations for retail/reseller channels. Own-root propagation underpins long-term stand stability, predictable renewal and low replacement in nursery beds and collection plantings. Its hardiness profile is well adapted to UK nursery supply where winters can be cold and windy across northern regions.

Usage options

Target area	Reasoning
Premium 5–7 L container production for retail	The upright, compact bush habit with dense foliage supports a clean, bush-trained 3–5 cane structure that finishes well in 5–7 L premium containers. XL, solitary, high-centred blooms read clearly at point of sale, matching exclusive finished product positioning for retail / reseller. Own-root continuity provides predictable renewal and long lifespan, allowing stable scheduling of the premium container route over multiple production cycles, ideal for professional retail partners focused on consistent hybrid tea quality for nursery and garden centre chains.
Cut-stem and exhibition-oriented nursery blocks	The very large, high-centred, pointed-budded flowers with high white colour purity can support nursery-scale cutting or exhibition-oriented selection, even when the main commercial route is premium container. Remontant repeat flowering with abundant second flush enables planning for multiple picking windows. Own-root stands regenerate from the base, maintaining structural integrity and stem quality over time with reduced replanting risk, supporting exclusive finished product offers for specialist cut-rose resellers.
Specimen plants for thematic and collection gardens	Uniform snow-white flowering and the clearly defined hybrid tea form make this cultivar a strong choice for named specimens in thematic rose gardens or white collections. The predictable 95–125 cm height and bushy outline simplify layout in show beds and institutional schemes. Own-root material ensures cultivar identity and longevity for collection plantings, with stable ornamental value year after year, fitting premium positioning for public-realm and collection curators.
Border plantings in high-visibility schemes	The dense, dark green, glossy foliage provides a strong backdrop to the pure white blooms, giving high contrast in mixed borders and formal plantings. Moderate maintenance, including occasional pest and disease control plus deadheading of weakly self-cleaning flowers, is manageable within professional border-care programmes. Own-root durability supports lower replacement in long-term schemes, aligning with exclusive, flower-quality focused offers for landscape and municipal framework suppliers.
Own-root mother stock for nursery propagation beds	As pharmaROSA NEONATAL own-root material, Karen Blixen ™ POUlari lends itself well to establishing robust mother blocks for internal cutting supply. The cultivar’s compact, upright framework and dense foliage make inspection and sanitary maintenance straightforward under medium-care regimes. A natural establishment curve from root development in year one, framework consolidation in year two and full ornamental expression in year three supports long-term stock planning and premium hybrid tea positioning for integrated nursery networks.
Large specimen in 40–50 L and above	Where projects require statement hybrid tea bushes, this cultivar can be grown on from the 5–7 L premium route into 40–50 L containers for immediate impact. The medium height and bushy habit deliver a balanced, fully furnished plant at this volume without becoming leggy. Own-root resilience and basal regeneration provide long service life after planting out, reducing aftercare replacement within exclusive, flower-form driven ranges for project-based and contract suppliers.
White-feature plant for coordinated retail concepts	Its pure, uniform white colouring with very good colour retention and only slight cream fading makes it suitable for coordinated “white garden” or event-driven retail concepts. XL, solitary blooms with mild fragrance give a clear premium signal on the bench. Own-root production offers homogeneous batches and stable sizing at despatch, supporting reliable replenishment of exclusive white hybrid tea ranges for brand-oriented retail programmes.
Managed-medium maintenance programmes	Moderate disease resistance and weak self-cleaning mean this cultivar fits best where medium maintenance is acceptable: scheduled pest/disease monitoring and regular deadheading can be built into nursery and end-client care plans. Heat tolerance and only short-term drought endurance call for planned irrigation in container systems, while hardiness is suitable for colder and wind-exposed northern UK supply. The own-root base gives long-term structural stability despite these inputs, supporting premium flower-quality promises for professional maintenance-focused resellers.

Finished-product ideas

Premium 5–7 L hybrid tea bush – Bush-trained, 3–5 cane plants finished in 5–7 L, showcasing XL, high-centred white blooms for an exclusive bench presence – ideal for branded retail / reseller premium ranges.
White collection feature line – Uniform own-root stock used to anchor a curated white-theme assortment, leveraging pure colour and compact habit in 5–7 L containers – suited to garden centres promoting colour-coordinated concepts.
Specimen rose for show gardens – Selected, evenly structured plants grown on from NEONATAL trays into 40–50 L containers for immediate impact and reliable form – targeted to public-realm and thematic rose garden projects.
Hybrid tea mother block starter – NEONATAL rooted cuttings planted into nursery beds as long-term own-root mother plants, balancing manageable maintenance with dependable framework – for nurseries building internal propagation capacity.
Border-ready project grade – Upright, bushy plants finished in 5–7 L with dense foliage and pure white blooms, positioned as a reliable border component – aimed at landscape and contract growers supplying institutional schemes.

Technical cultivar profile

Parameter	Data
Name and registration	Hybrid tea rose, registered as POUlari, marketed as Karen Blixen ™ Hybrid Tea POULSEN® POUlari; American Rose Society exhibition name Karen Blixen; part of the Hybrid Tea POULSEN® collection.
Origin and breeding	Bred in Denmark in 1990 by L. Pernille Olesen and Mogens Nyegaard Olesen, from Unnamed Seedling × Unnamed Seedling; introduced and distributed by Poulsen Roser A/S from 1993–1996.
Awards and recognition	not provided
Growth and structural characteristics	Upright, compact, bushy habit, 95–125 cm high and 70–90 cm spread, with dense, dark green glossy foliage; moderately thorny canes and a structure well suited to forming 3–5 strong framework stems.
Flower morphology	Very large XL flowers, solitary on stems, high-centred and pointed-budded; double-flowered with 26–39 petals; remontant with an abundant second flush, reflecting a classic hybrid tea cut-rose presentation.
Colour data and phenology	Pure, uniform white blooms (ARS W, RHS 155C–155D); buds greenish white tipped; newly opened flowers bright white with subtle sheen, fading slightly to cream-white and remaining stable, though petals may brown in wet weather.
Fragrance and aroma	Mild, subtle-scented rose fragrance with a soft, white-rosy character; strongly double form limits stamen access, so it is of low pollinator interest and is primarily valued for its ornamental display quality.
Hip characteristics	Hip set generally poor due to very double flowers; when present, hips are 10–14 mm, ovoid, bright red (RHS 44A), and mainly of minor visual significance compared with the primary floral display.
Resistance and winter hardiness	Moderate tolerance to powdery mildew, black spot and rust; heat tolerant with only short-duration moderate drought endurance; hardy to about −15 to −12 °C, RHS H6, Swedish Zone 2, USDA Zone 7b.
Horticultural recommendations	Recommended for borders, containers, specimen use and cut flower; medium maintenance with occasional pest and disease control and regular deadheading; best presented as a premium container product from own-root material.

Karen Blixen ™ Hybrid Tea POULSEN® POUlari offers XL high-centred white blooms, compact bushy structure and reliable own-root longevity for predictable, low-replacement stands; we would welcome aligning capacities and timings with your planned programmes.

Detailed product attributes

Product Identification Data

Product Name: KAREN BLIXEN ™ – white tea-hybrid rose - Olesen & Olesen

Product Type: pharmaROSA® NEONATAL - rooted rose cutting

Product Quality: -

Cultivar Authenticity: Verified:07.07.2025

Cultivar Quality Rating: premium bronze

Item Number: [1012] 21-255 (14.02.2026) pharmarosaneonatal.co.uk

Name and Registration

Meaning of Cultivar Name: The name is a feminine given name.

Cultivar Synonym: Isis ™; Silver Anniversary ™; Roy Black ™

Registered Cultivar Name: POUlari

Original Trade Name: Karen Blixen ™

Former Name: -

Current Trade Name: Karen Blixen ™ Hybrid Tea POULSEN® POUlari

American Rose Society Approved Exhibition Name: Karen Blixen

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)

Introduction Year: 1996

Registration Year: 1993

Breeder: L. Pernille Olesen, Mogens Nyegaard Olesen

Breeding Company / Institution: Poulsen Roser A/S

Breeding Year: Denmark, 1990

Parentage: Unnamed Seedling × Unnamed Seedling

Awards and Honours

Global and Lifetime Awards: -

Horticultural Ratings and Recommendations: -

Competition and Show Awards: -

Collectors' Recommendations: -

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.

Colour Retention Level: very good

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.

Soap and Cosmetic Use: -

Hip Characteristics

Maximum Hip Diameter: 10-14 mm

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

RHS Hardiness Rating: H6

Swedish Hardiness Zone: Zon 2

USDA Hardiness Zone: 7b

Heat and Drought Tolerance Description: Tolerates heat well; endures moderate drought only for short periods and requires watering.

Heat and Drought Tolerance Level: moderate

Disease Resistance: moderate

powdery mildew – moderate
black spot – moderate
rust – moderate

Horticultural Recommendations

Recommended product path: Premium container

Recommended target pot: 5–7 L

Release form: Bush-trained, with 3–5 strong framework canes

Recommended use: Maintenance requirement medium; occasionally requires pest and disease control.

Primary Uses: border, cut flower, specimen, container

Comments

Positioning: Exclusive finished product

Target customer/channel: Retail / reseller

Main value proposition: Flower quality, form

KAREN BLIXEN ™ – white tea-hybrid rose - Olesen & Olesen

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

Rose Shopping Online - white - mild, subtle-scented rose - Karen Blixen ™ - hybrid tea rose - (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 | pharmaROSA® Neonatal - 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?

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Information

In what condition do we dispatch the roses from our online shop?

Ask yourself the question: What final product do I want to create from it?

Wholesale of cuttings

PharmaRosa® NEONATAL is the cost‑effective starting point for rose product production.

As a uniform, own‑rooted propagation material, it provides a stable basis for further growing-on and can be integrated flexibly into different finished product production technologies.
Rooted in trays (rooted), 3–6‑month‑old, own‑rooted rose cutting.
Uniform developmental stage, with a root system that has thoroughly penetrated the plug.
For professional growing‑on.
Tray packaging: 10 pcs/tray.
Quality and varietal identity: production supported by a dedicated identification and traceability logic.
Can be transplanted during frost‑free periods, designed for finished product production.

PharmaRosa® NEONATAL provides a controlled, uniform starting stock for planned growing‑on that can be integrated into your own technology – especially where scheduling and varietal identity are paramount.

PharmaRosa® NEONATAL own-rooted rose propagation material in a plug, with a root system penetrating the plug (semi-finished product / semi-finished rose). PharmaRosa® NEONATAL rose propagation material size: 3–6‑month‑old, own-rooted cutting with a uniform developmental stage. PharmaRosa® NEONATAL tray stock: own-rooted rose propagation material in trays, uniform developmental stage (10 pcs/tray).

Captions (from left to right): Semi-finished product (NEONATAL own-rooted rose propagation material in a plug with a fully developed root system) • Size demonstration (3–6‑month‑old, uniform cutting) • Root system detail (plug penetrated by the root system) • Tray stock (10 pcs/tray, uniform developmental stage)