Hybrid tea rose

53-037-1
53-037-2

Casta Diva®

Hybrid tea rose

SELbar 0135 – Vittorio Barni

The flower displays a brilliant snow‑white colour across its entire surface, without any cream, yellow or pink shades. - hybrid tea rose - scentless rose - no noticeable fragrance

– Pure, brilliant snow‑white hybrid tea blooms
– Large, very full flowers on elegant stems
– Reliable remontant flowering with strong second flush
– Compact, bushy habit with dense, glossy foliage
– Versatile for borders, specimens and cut flowers
Special feature: Named after the aria “Casta Diva”, echoing its pure white beauty.
Origin guarantee – Uniform growth
Casta Diva®
darinaROSE® ORIGINAL 2-litre own-root potted rose
23,10 £
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!
4.5 (6599)
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CASTA DIVA® – white hybrid tea rose – Barni

Under a summer arbour, CASTA DIVA® unfolds as a vision of whiteness and quiet luxury, its tall, refined buds opening into perfectly cupped blooms for classic afternoon-tea elegance. This bushy, uniform plant structure makes it visually reliable in family gardens, even where breezy, unsettled weather and frequent showers demand good anchoring and thoughtful drainage. The brilliant, snow-white flowers hold their colour with remarkable stability, ideal for those seeking a serene, chalk-white accent among cottage perennials. Grown on its own roots for long-term endurance, it offers steady ornamental value and the reassuring ability to regenerate and thicken with age. Planted as a young, container-grown rose, it knits in gently: first building a robust underground framework, then sending up stronger flowering shoots, before revealing its full, sculptural presence in the third season.


Usage options

Target areaReasoning
Feature rose near a seating area The pure, cool-toned white blooms read as crisp and tidy even at close range, making this an excellent focal rose beside a bench, terrace or tea table. The bushy habit keeps the display compact, so it suits the modest proportions of typical UK family gardens and town plots. Choose this for those who want an elegant focal rose close to where they sit and talk, especially beginners.
Cottage-style border in a sunny front garden The dense, upright bush slots neatly between cottage perennials, giving vertical structure without overwhelming the space. Its uniform growth allows you to repeat plants at regular intervals for a calm, rhythmic look. Pair with airy companions that soften the straight stems while letting the white flowers shine, appealing strongly to those who love a romantic, traditional frontage, particularly homeowners.
Formal white-and-green planting scheme The remarkably stable snow-white colour, with minimal fading or discolouration, is ideal where you want a controlled, restrained palette. In a white garden or monochrome border, the blooms contribute a cool, almost architectural note. Neat, glossy foliage underlines the formal feel, resonating with gardeners who appreciate order and clean lines, especially perfectionists.
Cutting bed for home arrangements Long, straight, exhibition-style stems and very full, cupped blooms make this cultivar well suited to vases and table centres. Planting a short row in a sunny bed gives a reliable source of classic white roses for small bouquets. Regular cutting doubles as deadheading, keeping plants neat, which is attractive for those who enjoy bringing flowers indoors, notably hosts.
Specimen rose in a raised or improved bed As a single, well-framed plant, the tidy bush form and repeated flower flushes stand out clearly, even in small gardens. Giving it a raised or well-drained bed helps manage heavy clay while allowing the roots of this own-root plant to develop into a deep, anchoring network that supports long-term performance, reassuring those planning their garden for years, particularly planners.
Low-maintenance structure with simple pruning The naturally bushy, evenly branched habit means you can prune with a light, uncomplicated approach, focusing mainly on removing the oldest or weakest stems and spent flowering shoots. Over time, the own-root nature encourages fresh basal canes, helping the plant renew itself without intricate shaping, which suits those seeking straightforward seasonal tasks, especially busy-owners.
Large container on patio or balcony (40–50 litres+) In a generous container, this compact yet vigorous bush forms a tidy, upright shrub that can frame doors, patios or roof terraces. A 40–50 litre pot or larger provides enough volume for roots to spread and stabilise, helping the plant cope better with wind and fluctuating moisture, which is ideal for those gardening where ground space is scarce, particularly urbanites.
Mixed planting in exposed, changeable weather Uniform branching and moderate height allow the plant to move with the wind rather than topple, sitting comfortably among sturdier shrubs and perennials. In gardens with blustery showers and shifting conditions, its compact frame and dense foliage help it sit firmly within the border while still delivering its refined blooms for many years, which benefits those in variable-climate regions, especially coastal.

Styling ideas

  • Opera-Arbour – Train CASTA DIVA® near a light timber arch, underplant with lavender and soft pink penstemon for a romantic, stage-like setting – suited to nostalgic cottage-garden lovers.
  • Chalk-White – Build a white-and-green border with this rose, white foxgloves and silvery foliage plants to celebrate its stable, snow-white colour – ideal for fans of calm, minimalist palettes.
  • Tea-Table – Position a pair of plants flanking a small bistro set, with verbena and airy grasses threading between for movement – perfect for those who enjoy afternoon tea outdoors.
  • Cutting-Row – Plant a straight row along a sunny path for easy access to long-stemmed blooms, backed by neat box or yew for contrast – appealing to home florists and entertainers.
  • Patio-Gallery – Grow one plant per 50-litre container and group with white echinacea and herbs in terracotta pots for a composed yet informal display – great for small-plot and balcony gardeners.

Technical cultivar profile
ParameterData
Name and registration Hybrid tea rose CASTA DIVA® (registered as SELbar 0135), a premium silver-rated, verified cultivar offered as a 2-litre own-root potted rose for reliable identity in UK family gardens.
Origin and breeding Bred by Vittorio Barni in Italy (1982) for refined white hybrid tea form; introduced by Rose Barni, representing classic Italian breeding with emphasis on flower shape and colour purity.
Growth and structural characteristics Bushy, upright shrub reaching about 80–100 cm in height and 50–70 cm in spread, with dense, light green glossy foliage and moderate prickliness, forming a tidy, medium-sized garden rose.
Flower morphology Large, solitary, very full blooms with 40+ petals, cupped with a pronounced mid-height; remontant with an abundant second flush, suited to cutting and close-up garden viewing.
Colour data and phenology Brilliant, uniform snow-white petals from bud to full bloom (RHS 155C–155D), fading only slightly to chalky white, with no cream, yellow or pink tones, maintaining a consistently cool effect.
Fragrance and aroma No noticeable fragrance; this cultivar is selected primarily for its form and colour, offering a clean visual presence where scent is not a priority in the planting design.
Hip characteristics Produces moderate numbers of small, spherical red hips, around 8–12 mm in diameter, adding a subtle ornamental note in late season without dominating the overall garden picture.
Resistance and winter hardiness Hardy to approximately −18 to −21 °C (RHS H7, USDA 6b); disease tolerance is low, so regular, planned plant protection is advised to maintain foliage quality and flowering performance.
Horticultural recommendations Best in sunny, open positions with well-drained soil; space 50–90 cm depending on use, and maintain with regular deadheading, feeding, watering and plant protection for sustained ornamental value.

CASTA DIVA® offers refined white blooms on a bushy, uniform shrub that suits small gardens and large containers, and as an own-root rose it builds long-lived, regenerating structure for those planning a lasting, elegant planting.

Detailed product attributes

Product Identification Data

Product Name: CASTA DIVA® – white hybrid tea rose - Barni
Product Type: darinaROSE® ORIGINAL - 2-litre own-root potted rose
Cultivar Authenticity: Verified:26.02.2025
Cultivar Quality Rating: premium silver
Item Number: [1192] 53-037 (14.02.2026) darinarose.co.uk

Name and Registration

Meaning of Cultivar Name: The designation "Casta Diva" refers to the famous aria from Vincenzo Bellini's opera Norma and indicates the rose's pure white flower colour.
Original Trade Name: Casta Diva®
Current Trade Name: Casta Diva® Hybrid tea rose SELbar 0135
Rose Group: Hybrid Tea
Commercial Type: hybrid tea rose
Commercial Group: Hybrid tea rose
Exhibition Category: exhibition tea hybrid; cut flower
Collection: Hybrid tea rose

Origin and Breeding

Initial Distributor: Rose Barni (Italy)
Introduction Year: Data not available
Registration Year: Data not available
Breeder: Vittorio Barni
Breeding Company / Institution: Rose Barni S.r.l.
Breeding Year: Italy, 1982
Parentage: unknown

Growth and Structural Characteristics

Height: 2.6-3.3ft (80-100 cm)
Spread: 1.6-2.3ft (50-70 cm)
Growth Habit: bushy
Foliage: The variety has dense foliage. Its leaves are glossy and light green.
Prickliness: moderately thorny
Self-Cleaning Description: Spent blooms mostly remain on the plant and require manual removal.
Self-Cleaning Intensity: Self‑cleaning is rather weak.

Flower Morphology

Flower Fullness: very full-flowered
Flower Shape: cupped, pronounced mid-height
Flower Size: L (2,75-3,95 in)
Inflorescence Type: solitary
Colour Code: ARS code: wh RHS code: 155C (outer), 155D (inner)
Repeat Flowering: Remontant, with an abundant second flowering.

Colour Data and Phenology

Colour: white
Flower Colour Description: The flower displays a brilliant snow‑white colour across its entire surface, without any cream, yellow or pink shades.
Closed Bud: The narrow, tall bud is milk-white.
Newly Opened Flower: At the onset of opening, the outer petals are snow-white and display a delicate satin sheen.
Full Bloom: When fully open, the petals' dazzling, uniform whiteness creates a pure, cool-toned effect.
Before Fading: The petals fade to a chalky white without discolouration or browning.
Colour Fading Description: Pure white at full opening; according to the cultivar descriptions the colour fades only minimally.

Fragrance and Aroma

Fragrance Strength: scentless rose
Fragrance Character: no noticeable fragrance
Pollinator Attraction: The cultivar’s fully double flower form (double) conceals the stamens and limits pollen access, so it does not attract pollinating insects.
Pollinator-Friendly Rating: not pollinator-friendly

Hip Characteristics

Hip Shape: spherical
Hip Colour: red
Hip Comment: Moderately produced, 8–12 mm in diameter, spherical red rose hip.

Resistance and Hardiness

Hardiness (°C): -21–-18 °C
Heat and Drought Tolerance Description: According to the descriptions, it tolerates heat well; during prolonged dry periods it requires regular watering.
Disease Resistance: very susceptible
  • powdery mildew – very susceptible
  • black spot – very susceptible
  • rust – very susceptible

Horticultural Recommendations

Recommended Planting Distance: Mass planting: 60 cm, hedging: 50 cm, as a solitary specimen: 90 cm
Planting Density: in square planting 2,8 plants/m², in hexagonal arrangement 3,2 plants/m²
Partial Shade Tolerance: Best suited to sunny locations
Maintenance Requirement: Maintenance requirement high; very low disease tolerance requires regular plant protection treatments and frequent interventions.
Primary Uses: border, cut flower, specimen

Comments

Strengths: Origin guarantee – Uniform growth
Companion Plants: Verbena hastata ‘Pink Spires’ - Abundantly flowering verbena pink Penstemon digitalis 'Husker Red' - Purple-leaved penstemon Echinacea 'Delicious Nougat' - Coneflower
Comment: -
CASTA DIVA® – white hybrid tea rose - Barni
The flower displays a brilliant snow‑white colour across its entire surface, without any cream, yellow or pink shades. - hybrid tea rose - scentless rose - no noticeable fragrance
Rose Shopping Online - hybrid tea rose - Casta Diva® - white - (2.6-3.3ft (80-100 cm))
Inflorescence: solitary Height: 2.6-3.3ft (80-100 cm) Flower shape: cupped, pronounced mid-height Winter hardiness: 6b white - Rose Barni (Italy) hybrid tea rose - Flower size: L (2,75-3,95 in) Flower size: L (2,75-3,95 in) - Height: 2.6-3.3ft (80-100 cm) Height: 2.6-3.3ft (80-100 cm) - Flower fullness: very full-flowered Casta Diva® - Roses in the garden | darinaROSE® Original - premium silver Vittorio Barni

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 do I want to use the rose for?
Flower? - Location? - Cover? - Fragrance? - Height? - Breeder? - Rose hips?

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Care guide

Our product is a rose grown using the unique PharmaRosa® cultivation technology!

2-litre, own-root, potted rose.
With a shoot system appropriate to the season.
With a root system that permeates the growing medium.
Quality in line with the requirements of the E.N.A. (European Nurserystock Association).
In unique packaging designed to prevent damage.
Can be planted at any time during frost-free periods.
True-to-variety rose plant with a unique identifier.

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


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

Information about the videos
This video series is not a “seasonal showcase”, but a way of making the essence of own-root PharmaRosa® cultivation tangible: how the plant is structured, what the root system is like, and how the shoot system renews itself. The footage was therefore recorded at different times, showing plants at various stages of development, so mixed leaf cover or differing levels of development may appear in the videos. This is not a “sample” of the consignment delivered, but an illustration of how the technology works. The current condition of the rose You are purchasing, characteristic of the given period (the state in which You can expect to receive it in the parcel), is shown in the upper part of the product page.

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Product types

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Garden roses for the family garden, with minimal care  → ORIGINAL®
Premium garden roses – instant impact, a truly showpiece garden  → EXTRA®
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Roses for public spaces – large areas, sustainable maintenance  → NATURAL®
Roses for projects – hedge and row planting, fast implementation  → RAPID®
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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.