Hybrid Tea rose

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02-033-2

Kronenbourg

Hybrid tea rose

MACbo – Samuel Darragh McGredy IV

Two-coloured flower with a crimson-red inner surface and a yellowish underside. The red and yellow contrast is strong. - hybrid tea rose - medium-strength, clearly noticeable scented rose - pleasant, fruity, tea-rose character

– Striking bicolour crimson and golden-yellow blooms.
– Medium, clearly noticeable fruity tea fragrance.
– Upright, bushy habit with dense, glossy foliage.
– Excellent disease resistance and winter hardiness.
– Ideal for borders, standards and cut flowers.
Special feature: Sport of the legendary 'Peace', offering dramatic colour contrast and reliable remontant flowering.
Naturalistic style – Low-impact landscaping
Kronenbourg
eleanorROSE® ORIGINAL 2-litre own-root potted rose
21,20 £
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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Kronenbourg hybrid tea rose – MACbo

Step out to your front path after rain and meet the fragrance of Kronenbourg: a classic hybrid tea whose richly coloured, high-centred blooms shift from crimson to ochre-yellow as the weather cools or warms. Its upright structure and glossy dark foliage give a composed presence in small London front gardens, while its reliable health keeps care simple even where humidity and fungal pressure are high, such as breezy, rain‑washed streets and coastal suburbs. Grown on its own roots for longevity, it establishes steadily, then repays you with years of repeat flowering and stable ornamental impact. Plant it once, mulch well, water with saved rainwater and let its dense foliage and long stems bring balance to compact, sustainable planting schemes. From the first season container display to a well-rooted border feature, it settles in quietly, building roots, then shoots, then full garden character over the first three years.


Usage options

Target area Reasoning
London terraced front garden focal point The upright, compact habit and large, high-centred flowers give instant structure beside a front door or railings without overwhelming a narrow plot; glossy foliage holds the street scene together with minimal effort for the busy homeowner
Low-maintenance mixed border Strong disease resistance and low general maintenance needs make this rose easy to weave into herbaceous borders where you may not have time for frequent spraying or fussing, suiting relaxed beds for the time-poor beginner
Cut-flower corner in a family garden Long, straight stems and large, double, exhibition-style blooms are ideal for vases, allowing you to cut armfuls of fragrant flowers through the season while the plant quickly replaces them for the enthusiastic hobby-gardener
Rainwater-conscious front-garden planting Good heat and drought tolerance, paired with steady performance in wet, changeable weather, allows you to rely on stored rainwater and simple mulching rather than constant hose use, supporting sustainable choices for the eco-aware city-dweller
Standard rose for vertical emphasis Grafted as a standard, its upright, well-branched structure and dense foliage create a neat lollipop shape that frames paths or parking bays, giving height and colour without taking up ground space for design-minded urbanite
Own-root long-term feature planting As an own-root plant, it regrows strongly if pruned hard or weather-damaged, keeping its character true over the years and building into a reliable, long-lived feature for the forward-planning garden-owner
Clay or chalky soil family gardens Its robust root system and tolerance of typical UK conditions make it a dependable choice where soils may be heavier or more alkaline, provided drainage is improved, fitting the realities of many suburban plots for the practical householder
Large container on balcony or paved forecourt In a 40–50 litre or larger container with peat-free compost, this rose offers repeat flowering and fragrance at eye level, bringing colour and form to small, paved spaces with modest care needs for the space-conscious balcony-gardener

Styling ideas

  • Front-door theatre – Underplant Kronenbourg with low lavender or nepeta for soft edging and scent echoes around a black or sage-green front door – ideal for style-aware terrace owners.
  • Sunset border – Combine with Crocosmia ‘Lucifer’ and Gaillardia for hot red and gold tones that glow in evening light – suited to gardeners wanting high impact from a compact strip.
  • Soft-urban mix – Thread among airy grasses and pale perennials to let the bicolour blooms punctuate a naturalistic, low-input planting – perfect for rainwater-friendly, low-lawn front gardens.
  • Statement standard – Use as a standard rose flanking a path, with underplanting of thyme and dwarf sage to keep maintenance low but characterful – good for busy families needing clear structure.
  • Balcony showcase – Grow one plant in a 50-litre container with trailing herbs and peat-free compost, making a vertical accent that screens railings – attractive for small-space city gardeners.

Technical cultivar profile
Parameter Data
Name and registration Hybrid tea rose, registered as MACbo; marketed as Kronenbourg hybrid tea rose MACbo, also known in exhibition circles as Flaming Peace, classified within the Hybrid Tea commercial group.
Origin and breeding Sport of the famous ‘Peace’ hybrid tea, bred by Samuel Darragh McGredy IV with introduction after 1965 via NIRP International, representing Northern Irish breeding with later development in the United States.
Growth and structural characteristics Upright, bushy habit reaching about 100–140 cm in height and 70–110 cm spread, with dense, dark green, glossy foliage and moderate prickliness, forming a solid shrub suited to borders or as a standard.
Flower morphology Large, double, high-centred blooms with 26–39 petals, pointed buds and mainly solitary stems; remontant, producing an initial flush followed by a generous second flowering for cutting and display.
Colour data and phenology Bicolour flowers with crimson-red inner petals and yellow reverses; colours shift from deep crimson and golden yellow to mauve-pink and ochre-yellow, holding better in cooler conditions than intense heat.
Fragrance and aroma Medium-strength, clearly perceptible scent with a pleasant fruity, tea-rose character, especially notable on still, mild days and in the evening, adding sensory interest alongside its strong visual presence.
Hip characteristics Because of its full, double blooms, hip set is limited; where pollinated, it may form small, ovoid orange-red hips around 10–14 mm across, adding modest late-season detail without major display.
Resistance and winter hardiness Rated H7 with hardiness approximately down to −26 to −23 °C, showing resistance to black spot, powdery mildew and rust, and tolerating summer heat well if watered during extended dry spells.
Horticultural recommendations Best in full sun with 55–100 cm spacing, in improved clay or chalky soils or large containers; deadhead for repeat flowering and mulch annually to support long-term performance and stable structure.

Kronenbourg hybrid tea rose MACbo offers classic bicolour blooms, reliable health and the regenerative steadiness of an own-root plant; a thoughtful choice if you want lasting structure with manageable care.

Detailed product attributes

Product Identification Data

Product Name: KRONENBOURG – red-golden-yellow hybrid tea rose - McGredy
Product Type: eleanorROSE® ORIGINAL - 2-litre own-root potted rose
Cultivar Authenticity: Verified:11.03.2025
Cultivar Quality Rating: premium bronze
Item Number: [200] 02-033 (14.02.2026) eleanorrose.co.uk

Name and Registration

Meaning of Cultivar Name: The name refers to the world-renowned French beer brand Kronenbourg.
Cultivar Synonym: Flaming Peace
Original Trade Name: Flaming Peace
Current Trade Name: Kronenbourg Hybrid tea rose MACbo
Rose Group: Hybrid Tea
Commercial Type: hybrid tea rose
Commercial Group: Hybrid tea rose
Exhibition Category: exhibition tea-hybrid
Collection: Hybrid tea rose

Origin and Breeding

Initial Distributor: NIRP International (France)
Introduction Year: after 1965
Breeder: Samuel Darragh McGredy IV
Breeding Company / Institution: Samuel McGredy & Son, Nurserymen (Northern Ireland)
Breeding Year: United States, 1965 before
Parentage: 'Peace' hybrid tea sport

Growth and Structural Characteristics

Height: 3.3-4.6ft (100-140 cm)
Spread: 2.3-3.6ft (70-110 cm)
Growth Habit: upright
Foliage: The variety has dense foliage; its leaves have a glossy surface and a dark green hue.
Prickliness: moderately prickly
Self-Cleaning Description: Most spent blooms remain on the plant and require subsequent 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: L (2,75-3,95 in)
Inflorescence Type: solitary
Colour Code: ARS code: RB RHS code: 11B, 53A
Repeat Flowering: Remontant, with a plentiful second flowering.

Colour Data and Phenology

Colour: red golden-yellow
Flower Colour Description: Two-coloured flower with a crimson-red inner surface and a yellowish underside. The red and yellow contrast is strong.
Closed Bud: Bright lemon-yellow outer petals with a ruby-red tip.
Newly Opened Flower: The inner petals are deep crimson, and the undersides of the outer petals are a brilliant golden yellow.
Full Bloom: The flower's centre is a rich raspberry red, and the backs of the petals are a light sunflower yellow.
Before Fading: The red hue fades to a pale mauve-pink, while the yellow reverse shifts to a warmer ochre-yellow.
Colour Fading Description: As the bloom opens, the inner red tones fade to a mauve-pink while the petal reverse yellow shifts to a warmer ochre-yellow; it fades more quickly in hot conditions and remains more vivid in cool conditions.

Fragrance and Aroma

Fragrance Strength: medium-strength, clearly noticeable scented rose
Fragrance Character: pleasant, fruity, tea-rose character
Pollinator Attraction: Double (26–39-petalled) flowers attract pollinators poorly because the double form typically obscures the stamens and reduces their accessibility to insects.
Pollinator-Friendly Rating: Double (26–39-petalled) flowers partially cover the stamens, so its pollinator-friendliness is limited; it is mainly an ornamental variety.

Hip Characteristics

Hip Shape: egg-shaped
Hip Colour: orange-red
Hip Comment: Rosehip formation is expected to be limited because of the double flowers; occasionally an ovoid, orange-red rosehip 10–14 mm in diameter is produced.

Resistance and Hardiness

Hardiness (°C): -26–-23 °C
Heat and Drought Tolerance Description: Tolerates heat well; requires watering during prolonged dry periods.
Disease Resistance: resistant
  • powdery mildew – resistant
  • black spot – resistant
  • rust – resistant

Horticultural Recommendations

Recommended Planting Distance: for mass planting 65 cm, for hedging 55 cm, as a specimen 100 cm
Planting Density: square planting 2,5 plants/m², hexagonal arrangement 2,9 plants/m²
Partial Shade Tolerance: Best in full sun
Maintenance Requirement: Maintenance requirement low; good disease resistance, generally requires minimal intervention.
Primary Uses: border, cut flowers, standard

Comments

Strengths: Naturalistic style – Low-impact landscaping
Companion Plants: Crocosmia x crocosmiiflora 'Lucifer' - garden montbretia
Euphorbia cyparissias 'Fens Ruby' - cypress spurge
Gaillardia x grandiflora - blanket flower
Comment: -
KRONENBOURG – red-golden-yellow hybrid tea rose - McGredy
Two-coloured flower with a crimson-red inner surface and a yellowish underside. The red and yellow contrast is strong. - hybrid tea rose - medium-strength, clearly noticeable scented rose - pleasant, fruity, tea-rose character
The rose webshop. - red golden-yellow - Kronenbourg - hybrid tea rose - (3.3-4.6ft (100-140 cm))
Inflorescence: solitary Height: 3.3-4.6ft (100-140 cm) Flower shape: high-centred, pointed-budded (cut-rose type) Winter hardiness: 6b red golden-yellow - NIRP International (France) hybrid tea 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 Kronenbourg - Roses in the garden | eleanorROSE® Original - premium bronze Samuel Darragh McGredy IV

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 would I like 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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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.