Hybrid tea rose

90-098-1
90-098-2

Prof. Kownas

Hybrid tea rose

- – Stanisław Żyła

Uniform bright orange shade with a subtle golden tinge. - hybrid tea rose - mild, subtly scented rose - pleasant, floral character

– Striking orange blooms with golden highlights
– Reliable repeat flowering through the season
– Compact, upright habit for borders and beds
– Glossy dark foliage for refined contrast
– Good hardiness down to USDA zone 5a
Gné speisialta: Bláthanna gearrtha galánta le haghaidh taispeántais agus vásaí.
Everyday elegance – Continuous garden development
Prof. Kownas
pharmaROSA® ORIGINAL 2-litre own-root potted rose
18,80 €
pcs
Direct from the grower
In stock for immediate dispatch
Delivery: 8–11 working days
4.5 (6753)
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PROF. KOWNAS – orange hybrid tea rose - Żyła

If You would like a rose that looks professional but behaves in an easy-going, family-garden way, PROF. KOWNAS is a compact hybrid tea that fits beautifully into small Irish gardens. Its upright, neat bush carries glossy, dark foliage and elegant, medium-sized orange blooms that open from rich sunset buds into classic, cup-shaped flowers. As the petals mature, the colour softens into warm salmon and pastel gold, giving Your beds constant, changing interest without needing complex care. This own-root plant settles in steadily, coping well with our rain and heavier soils where drainage has been sensibly managed, so You can expect a reliable, long-lived shrub. With medium maintenance needs and only occasional plant protection, it suits busy households who still want cuttable, showy blooms for the table. Over time, the 2-litre plant You receive builds strong roots in year one, fuller shoots in year two and reaches its best ornamental display by year three, giving a sense of calm, gradual progress in the garden. A light, pleasant fragrance and remontant flowering make it a reassuring, repeat performer for front gardens and mixed borders alike.


Prof. Kownas shows a cup-shaped flower that opens flat.
Closed bud of Prof. Kownas hybrid tea rose in deep orange with a subtle golden sheen.
Prof. Kownas showing its fully open orange blooms.
Prof. Kownas foliage, glossy and dark green in the light

Use cases

Target area Reason
Front garden focal point Its upright, compact habit and medium height make PROF. KOWNAS ideal as a single specimen by a path, gate or front door where neat structure and clear shape are important, especially for those who prefer a tidy, easy-reading garden style for the busy homeowner
Small rose group of 3–5 plants Planting a small group at 30–50 cm spacing creates a dense, coherent cluster of orange flowers that read as one rounded feature, giving You high impact from a modest area without advanced design skills for the beginner gardener
Cutting bed for home bouquets The solitary, hybrid tea-type blooms on straight stems are well suited to cutting; with a generous second flush, You can enjoy regular vasefuls while the shrub continues to look full and presentable in the border for the home flower lover
Mixed border with perennials Prof. Kownas combines well with plants such as creeping phlox, spearmint and sweet alyssum, where its stable structure and repeat flowering give a long-season anchor among softer, spreading companions for the cottage-garden fan
Family garden, low-fuss rose bed Moderate maintenance and reliable remontant flowering mean You mainly need basic feeding, watering in dry spells and simple deadheading, keeping the rose bed attractive without complicated regimes for the time-poor family
Own-root, long-term planting As an own-root rose, the shrub forms its natural shape in place, regenerating from its own base over the years, which supports a longer lifespan and stable ornamental value with fewer worries about graft failure for the long-term planner
Partially shaded side garden Suitable for partial shade, it performs well where there is bright, indirect light or a few hours of direct sun, making it practical for side paths or north-west facing spots that do not suit sun-hungry plants for the small-plot owner
Coastal or high-rainfall garden bed With good hardiness and balanced disease resistance, this rose copes well in Irish conditions when given a well-prepared site where heavier, wetter soil is helped by thoughtful, reliable drainage management for the Atlantic-climate gardener

Decorating ideas

  • Warm welcome border – Line a short front path with Prof. Kownas and edging of sweet alyssum for a soft white carpet beneath glowing orange blooms – ideal for homeowners wanting a friendly, low-fuss entrance.
  • Cottage-style cluster – Plant a tight group of three roses with creeping phlox spilling at their feet to echo traditional rural borders – suited to cottage-garden fans who like romantic, gently informal planting.
  • Cutting corner – Dedicate a sunny border section to Prof. Kownas backed by taller perennials, giving a steady supply of straight-stemmed blooms for indoor vases – perfect for those who enjoy decorating the house with their own flowers.
  • Glossy foliage frame – Use the dense, dark-green leaves as a foil for silvery herbs such as rosemary and lavender, creating contrast and year-round structure – a good option for gardeners seeking calm, restrained planting.
  • Small-space showcase – In a minimum 40–50 litre container by the front door, underplanted with spearmint, this rose becomes a compact but striking feature – ideal for balcony or paved-yard gardeners with limited bed space.

Technical cultivar profile
Parameter Data
Name and registration Prof. Kownas is a hybrid tea rose from the Żyła breeding line, sold as PROF. KOWNAS – orange hybrid tea rose - Żyła; trade name and garden name are identical for easy identification.
Origin and breeding Bred by Polish rosarian Stanisław Żyła, introduced in 1996 and registered in 1994; its parentage is (Crepe de Chine × Marina) × Rinacor, combining classic hybrid tea form with warm orange coloration.
Growth and structure Upright, medium-height shrub typically 70–95 cm tall and 40–55 cm wide, with dense, glossy, dark-green foliage and moderate prickliness, forming a tidy, vertical presence well suited to small beds and borders.
Flower morphology Medium-sized, double blooms with 26–39 petals, usually borne singly on stems; flowers are cup-shaped and open fairly flat as they mature, providing classic hybrid tea form suited to cutting and exhibition-style presentation.
Colour and phenology The flowers open a bright, uniform orange with a golden tinge, gradually fading to salmon-pink and pastel-gold tones; colour retention is good, and the plant remontantly produces a strong second flush of flowers in season.
Fragrance and aroma The scent is mild but pleasant, with a gentle floral character that adds charm without overwhelming nearby seating areas, making it suitable for patios, paths and small gardens where strong perfume might be too intense.
Rose hip characteristics Hip production is usually low because of the full, double flowers; when hips form they are spherical, orange-red, around 12–17 mm in diameter, adding a discreet late-season accent on plants where deadheading is not rigorous.
Resistance and hardiness Hardy to approximately −29 to −26 °C (RHS H7, USDA 5a, Swedish zone 4); disease resistance is moderate overall, with good resistance to black spot and average tolerance to powdery mildew and rust in typical garden conditions.
Horticultural recommendations Best used as a border or specimen rose and for cut flowers; prefers full sun to partial shade, average water with irrigation in drought, and regular deadheading; recommended spacing 30–50 cm depending on whether grouped or grown singly.

PROF. KOWNAS offers compact, upright growth, generous repeat flowering and long-lived own-root reliability, giving You neat structure and cuttable orange blooms with relatively simple care, making it a reassuring choice if You would like a dependable garden rose.

Detailed product attributes

Product Identification Data

Product Name: PROF. KOWNAS – orange hybrid tea rose - Żyła
Product Type: pharmaROSA® ORIGINAL - 2-litre own-root potted rose
Cultivar Authenticity: Verified:30.06.2025
Cultivar Merit Rating: premium bronze
Item Number: [1448] 90-098 (14.02.2026) pharmarosa.ie

Name and Registration

Cultivar Name Meaning: The name was given in honour of Professor Stefan Kownas, a Polish botanist.
Trade Name: Prof. Kownas Hybrid tea rose Żyła
Rose Group: Hybrid Tea
Commercial Type: hybrid tea rose
Commercial Group: Hybrid tea rose
Exhibition Category: cut flower; exhibition hybrid tea
Collection: Hybrid tea rose

Origin and Breeding

Breeder: Stanisław Żyła
Breeding Company / Institution: unknown / no data
Parentage: (Crepe de Chine × Marina) × Rinacor

Growth and Structural Characteristics

Height: 2.3-3.1ft (70-95 cm)
Spread: 1.3-1.8ft (40-55 cm)
Growth Habit: upright
Foliage: The variety has dense foliage. The leaves have a glossy surface and a dark green hue.
Prickliness: moderately thorny
Self-Cleaning Description: Spent blooms generally remain on the plant and require deadheading.
Self-Cleaning Intensity: Self-cleaning: weak

Flower Morphology

Petal Count: 26-39
Flower Fullness: double flowered
Flower Form: cup-shaped, flat-opening
Flower Size: M (1,5-2,75 in)
Inflorescence Type: solitary
Colour Code: ARS code: OB RHS code: 24A (outer), 23B (inner)
Repeat Flowering: Remontant, with a generous second flush of blooms.

Colour Data and Phenology

Colour: orange
Flower Colour: Uniform bright orange shade with a subtle golden tinge.
Closed Bud: Deep, rich orange surface with a slight golden sheen at the tip.
Freshly Opened Flower: The outer petals are bright orange, and the inner surfaces are softer with a golden-orange tone.
Full Bloom: The petals are a uniform orange with a golden sheen in the centre and a subtle salmon blush at the edges.
Pre-Fading Flower: The orange slowly fades to a salmon-rose, pastel-gold shade.
Colour Fading Description: The vivid orange gradually fades to a salmon-pink, pastel-gold hue as the flower reaches the end of its bloom.

Fragrance and Aroma

Fragrance Strength: mild, subtly scented rose
Fragrance Character: pleasant, floral character
Pollinator Attraction: Its strongly double (fully filled) bloom form, which often conceals or restricts access to the stamens, makes it poorly attractive to pollinating insects.
Pollinator-Friendly Rating: Double-flowered variety, pollinator-friendly: limited, attracts few pollinators

Rose Hip Characteristics

Rose Hip Shape: spherical
Rose Hip Colour: orange-red
Rose Hip Notes: Hip formation is likely to be minimal due to the double flowers; occasionally a spherical, orange-red hip 12–17 mm in diameter forms.

Resistance and Hardiness

Hardiness (°C): -29–-26 °C
Heat and Drought Tolerance Description: Has average water needs in warm conditions; requires irrigation during prolonged drought.
Disease Resistance: moderate
  • powdery mildew – moderate
  • black spot – resistant
  • rust – moderate

Horticultural Recommendations

Recommended Spacing: for mass planting 30 cm, for hedging 25 cm, as a specimen plant 50 cm
Planting Density: square planting 10 plants/m², hexagonal arrangement 12 plants/m²
Partial Shade Tolerance: suitable for partial shade
Maintenance Requirements: Maintenance requirement medium; occasional plant-protection treatments required.
Key Uses: border, cut flower, specimen plant

Notes

Strengths: Everyday elegance – Continuous garden development
Companion Plants: Phlox subulata - creeping phlox Mentha spicata - spearmint Alyssum maritimum - sweet alyssum
Note: -
PROF. KOWNAS – orange hybrid tea rose - Żyła
Uniform bright orange shade with a subtle golden tinge. - hybrid tea rose - mild, subtly scented rose - pleasant, floral character
The rose webshop. - orange - hybrid tea rose - Prof. Kownas - (2.3-3.1ft (70-95 cm))
Inflorescence: solitary Height: 2.3-3.1ft (70-95 cm) Flower shape: cup-shaped, flat-opening Winter hardiness: 4b orange - - hybrid tea rose - Flower size: M (1,5-2,75 in) Flower size: M (1,5-2,75 in) - Height: 2.3-3.1ft (70-95 cm) Height: 2.3-3.1ft (70-95 cm) - Flower fullness: double flowered Prof. Kownas - Roses in the garden | pharmaROSA® Original - premium bronze Stanisław Żyła

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 would I like to use the rose for?
Flower? - Location? - Screening? - Fragrance? - Height? - Breeder? - Rose hip?

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Care guide

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

2 litre, own-root, potted rose.
With shoots appropriate to the season.
With roots thoroughly interwoven through the growing medium.
Quality in line with the requirements of the E.N.A. (European Nurserystock Association).
In unique packaging that prevents damage.
Can be planted during frost-free periods.
True-to-type rose plant with an individual 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.


Stock: several varieties and several stages of development in a short stock section.
Shoot system: intensive growth of fresh basal shoots on a young plant.
Root system: presentation of the strong root system interwoven through the growing medium with the pot removed.
Balance: mature plant where the development of the root system and the shoots is in harmony.

Information about the videos
The video series is not a “seasonal showcase”, but makes the essence of pharmaROSA® own-root production tangible: how the plant is built, what the root system is like and how the shoots renew themselves. The footage was therefore taken at different times, showing plants at different stages of development, so mixed leaf coverage or differing growth stages may appear in the videos. This is not a “sample” of the batch delivered, but an illustration of how the technology works. The current condition of the rose available to order — typical of the given period and similar to what you can expect to receive in the parcel — is shown at the top of the product page.

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For professional partners only
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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.