Hybrid tea rose

53-137-1
53-137-2

Isabelle Joerger

Hybrid tea rose

Barmarisa – René Barth

Pale creamy-yellow base colour with a subtle buttery-yellow flush at the centre. - hybrid tea rose - mild, subtly scented rose - soft, sweet-fruity aroma

– Elegant pastel-yellow hybrid tea blooms
– Refined, high-centred flowers for cutting
– Dense, glossy dark green foliage
– Good winter hardiness to RHS H7
– Bees and butterflies visit semi-double flowers
Special feature: Abundant second flush gives long, graceful flowering season.
Uniform growth – Balanced arrangement
Isabelle Joerger
darinaROSE® 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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ISABELLE JOERGER – pastel yellow hybrid tea rose – BARmarisa

Imagine leisurely afternoons with tea and conversation, framed by the soft, pastel-yellow blooms of ISABELLE JOERGER, a hybrid tea bred for romance and an easy-going, cottage feel in everyday family gardens. This own-root rose is naturally long-lived, quietly building strong roots, and from its erect, well-branched habit you can cut elegant, high-centred flowers for the vase while leaving plenty of show in the border. Its moderate care needs suit busy homeowners, and it settles reliably even where breezes are brisk and rain is frequent along more exposed coastlines. In a 40–50 litre pot on a patio or as a specimen beside a path, you gain season-long repeat flowering in soft, creamy pastels without complicated pruning rules. Over its first seasons this rose concentrates on underground strength, then shoot structure, and by the third year it reaches its full ornamental potential, becoming a stable, rewarding presence in your garden.


Usage options

Target area Reasoning
Front garden focal point by the path The erect, uniform growth and glossy dark foliage create a tidy, welcoming accent that stays within 80–110 cm, ideal for a small front garden where clear structure matters more than size. Suited to beginners and relaxed homeowners.
Romantic cottage-style border Pastel yellow, high-centred blooms blend easily with soft pinks, whites and lavender, giving a storybook, “girly” cottage look without demanding intricate care; moderate disease resistance suffices in well-aerated borders. Well suited to romantic cottage-style gardeners.
Patio container in 40–50 litre pot In a large container the compact spread and strong framework stay balanced, while own-root toughness supports long-term replanting or repositioning, making it a practical choice for paved patios and roof terraces. Ideal for busy urban residents.
Cut-flower corner in the kitchen garden High-centred, long-stemmed blooms are easy to cut repeatedly, with remontant flowering providing waves of usable stems through summer, perfect beside herbs and vegetables where you like to gather flowers for indoor vases. A good fit for creative home florists.
Small mixed rose bed Its moderate height and 50–70 cm spread help keep group plantings orderly, while pastel tones soften bolder reds or magentas, giving a layered effect without overcrowding or complex pruning schemes. Recommended for small-plot rose enthusiasts.
Raised bed over heavier soils The dense root system and medium maintenance needs make it a dependable choice for raised beds, where improved drainage supports healthier growth, especially in areas where wind-driven rain and unsettled weather are frequent. Practical for problem-soil gardeners.
Pollinator-friendly family area Semi-double blooms with accessible centres provide some forage for bees and butterflies while still looking refined, so children and adults alike can enjoy visiting wildlife in a setting that remains neat and manageable. Appealing to wildlife-aware families.
Long-term specimen planting As an own-root rose it regenerates well from the base and maintains its character over many years, suiting those who want a reliable, slowly maturing specimen that will reward consistent but simple seasonal care. Ideal for long-view garden planners.

Styling ideas

  • Cottage-arch – Pair ISABELLE JOERGER near a simple wooden arch with soft pink shrub roses and white foxgloves, echoing its pastel blooms for a storybook entrance – for lovers of traditional English cottage charm.
  • Pastel-ribbon – Plant a low ribbon with blue fescue, Geranium ‘Rozanne’ and this rose to weave blue and yellow pastels along a path – for homeowners wanting gentle colour without visual clutter.
  • Kitchen-nook – Place a 40–50 litre pot by the back door, underplanted with chives and thyme, to create a fragrant, cut-and-come-again corner – for busy cooks who enjoy grabbing a bloom with their herbs.
  • Evening-terrace – Combine the creamy flowers with pale pavers, lanterns and silvery foliage like lavender or artemisia to catch the last light at dusk – for those who unwind outdoors after work.
  • Structured-bed – Set three plants in a triangle among low box or evergreen mounds for a formal yet soft-focus display – for gardeners who favour order but still want a romantic look.

Technical cultivar profile
Parameter Data
Name and registration Hybrid tea rose, registered as BARmarisa, marketed as ISABELLE JOERGER – pastel yellow hybrid tea rose – Barth; classified within the hybrid tea commercial group for garden and cutting use.
Origin and breeding Bred by René Barth at Roseraies Barth, France, with parentage not disclosed; selected for hybrid tea flower form and garden performance, introduced in 2016 and distributed initially by Roseraies Barth.
Growth and structural characteristics Erect, balanced bush reaching around 80–110 cm in height and 50–70 cm spread, with moderately thorny stems, dense, glossy dark green foliage and a uniform, well-filled framework suitable for beds and containers.
Flower morphology Semi-double high-centred flowers with 13–25 petals, large bloom size on mainly solitary stems; classic pointed buds open to hybrid tea form, with remontant flowering and a notably abundant second flush in season.
Colour data and phenology Pale creamy-yellow overall, ARS YB; buds butter-coloured with greenish hints, opening warm lemon-yellow at the centre, fading toward cream-white edges and eventually almost white margins with a soft yellow glow retained.
Fragrance and aroma Mild, sweet-fruity scent that is noticeable on close inspection rather than at a distance; suitable for those preferring a gentle perfume, adding subtle fragrance to seating areas and cut-flower arrangements indoors.
Hip characteristics Hip set is generally low under regular deadheading; where allowed, occasional ellipsoidal orange-red hips 10–14 mm across may develop late season, adding small decorative accents without seeding excessively.
Resistance and winter hardiness Rated to approximately −21 to −18 °C (RHS H7, USDA 6b, Swedish Zone 3) with moderate tolerance of heat and drought once established and medium resistance to black spot, powdery mildew and rust in typical garden conditions.
Horticultural recommendations Best in sunny positions with 50–90 cm spacing depending on use; plant 2.8–3.2 plants/m² for massed beds, provide regular watering in dry spells, medium-level pruning, and occasional plant protection in high disease-pressure areas.

ISABELLE JOERGER offers compact structure, pastel blooms and dependable repeat flowering, and in its own-root form it establishes for the long term with reassuring resilience, making it a thoughtful choice for your garden plans.

Detailed product attributes

Product Identification Data

Product Name: ISABELLE JOERGER – pastel yellow hybrid tea rose - Barth
Product Type: darinaROSE® ORIGINAL - 2-litre own-root potted rose
Cultivar Authenticity: Verified:22.03.2025
Cultivar Quality Rating: premium bronze
Item Number: [952] 53-137 (14.02.2026) darinarose.co.uk

Name and Registration

Meaning of Cultivar Name: The name is a feminine given name.
Original Trade Name: Isabelle Joerger
Current Trade Name: Isabelle Joerger Hybrid tea rose BARmarisa
Rose Group: Hybrid Tea
Commercial Type: hybrid tea rose
Commercial Group: Hybrid tea rose
Exhibition Category: cut flower; exhibition tea hybrid
Collection: Hybrid tea rose

Origin and Breeding

Initial Distributor: Roseraies Barth (France)
Registration Year: Data not available
Breeder: René Barth
Breeding Year: France, 2016
Parentage: unknown

Growth and Structural Characteristics

Height: 2.6-3.6ft (80-110 cm)
Spread: 1.6-2.3ft (50-70 cm)
Growth Habit: erect
Foliage: The variety has dense foliage. The leaves have a glossy surface and a dark green hue.
Prickliness: moderately thorny
Self-Cleaning Description: No data on self-cleaning.
Self-Cleaning Intensity: No information on self‑cleaning strength.

Flower Morphology

Petal Count: 13-25
Flower Fullness: semi-double
Flower Shape: high-centred, pointed-budded (cut rose type)
Flower Size: L (2,75-3,95 in)
Inflorescence Type: solitary
Colour Code: ARS code: YB RHS code: 158D (outer), 4C (inner)
Repeat Flowering: Remontant, with an abundant second flowering.

Colour Data and Phenology

Colour: pastel-yellow
Flower Colour Description: Pale creamy-yellow base colour with a subtle buttery-yellow flush at the centre.
Closed Bud: Pale butter-coloured outer petals with a slight greenish tinge.
Newly Opened Flower: Warm lemon yellow at the centre, gradually fading to creamy white towards the outer petals.
Full Bloom: Pastel yellow–cream in tone, almost white at the edges.
Before Fading: The petal edges become paler, leaving only a subtle, pale yellow glow in the centre.
Colour Fading Description: As the bloom opens the warm lemon-yellow centre fades to a pastel cream-white; before the flower fades the margins are almost white, with only a faint yellow glow remaining in the centre.

Fragrance and Aroma

Fragrance Strength: mild, subtly scented rose
Fragrance Character: soft, sweet-fruity aroma
Pollinator Attraction: The flowers are visited by bees and butterflies, but double blooms reduce access, as flower form (single, semi‑double, double) and the accessibility of the stamens affect pollinator attraction.
Pollinator-Friendly Rating: Due to its semi-double flowers, it is considered partially pollinator-friendly.

Hip Characteristics

Hip Shape: ellipsoidal
Hip Colour: orange-red
Hip Comment: Hip formation is expected to be limited due to the double flowers and regular pruning; occasionally ellipsoid orange‑red hips 10–14 mm in diameter may appear.

Resistance and Hardiness

Hardiness (°C): -21–-18 °C
Heat and Drought Tolerance Description: Thrives and flowers well in warm, sunny positions; drought tolerance is moderate in established plants.
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: in square planting 2,8 plants/m², in hexagonal arrangement 3,2 plants/m²
Partial Shade Tolerance: prefers a sunny position
Maintenance Requirement: Maintenance requirement medium; occasionally requires plant protection.
Primary Uses: flower bed, specimen, container, cut flower

Comments

Strengths: Uniform growth – Balanced arrangement
Companion Plants: Festuca glauca - blue fescue Geranium 'Rozanne' - cranesbill (Rozanne) Phormium 'Tom Thumb' - New Zealand flax
Comment: -
ISABELLE JOERGER – pastel yellow hybrid tea rose - Barth
Pale creamy-yellow base colour with a subtle buttery-yellow flush at the centre. - hybrid tea rose - mild, subtly scented rose - soft, sweet-fruity aroma
Online rose order - hybrid tea rose - Isabelle Joerger - pastel-yellow - (2.6-3.6ft (80-110 cm))
Inflorescence: solitary Height: 2.6-3.6ft (80-110 cm) Flower shape: high-centred, pointed-budded (cut rose type) Winter hardiness: 6b pastel-yellow - Roseraies Barth (France) hybrid tea rose - Flower size: L (2,75-3,95 in) Flower size: L (2,75-3,95 in) - Height: 2.6-3.6ft (80-110 cm) Height: 2.6-3.6ft (80-110 cm) - Flower fullness: semi-double Isabelle Joerger - Roses in the garden | darinaROSE® Original - premium bronze René Barth

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


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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? - Cover? - Fragrance? - Height? - Breeder? - Rose hips?

Rose purchase information
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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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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.