Hybrid tea rose

53-336-1
53-336-2

Diamond Gray

Hybrid tea rose

- – Teranishi Kikuo

It is characterised by a pale, slightly grey-tinged brown shade. - hybrid tea rose - mild, restrained-scented rose - scent description not available

– Distinctive light brown, silvery‑grey blooms.
– Elegant high‑centred, pointed flowers.
– Reliable remontant flowering throughout summer.
– Good heat and drought tolerance in beds.
– Proven hardiness to around –20 °C.
Special feature: Semi‑double flowers attract bees while offering an unusual mocha‑taupe colour.
Green mindset – Conscious garden investment
Diamond Gray
pharmaROSA® ORIGINAL 2-litre own-root potted rose
22,90 £
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!
3.5 (5550)
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DIAMOND GRAY – light brown hybrid tea rose – Teranishi

Subtle yet striking, DIAMOND GRAY brings an unusual light mocha‑brown, grey‑tinged bloom to classic front gardens and small borders, offering elegant cut flowers as well as reliable garden colour. Its medium, manageable height and spreading habit make it easy to position near paths, windows or seating areas, where its semi‑double, high‑centred flowers can be appreciated up close. Clustered blooms and remontant, abundant second flowering ensure ongoing display through the season with only occasional deadheading and light pest checks. Own‑root planting supports long‑term stability, allowing the bush to adapt gradually to your soil and care, and to regenerate well after harsher winters. In many British gardens it copes reliably with wetter, breezier spells, even where extra attention to drainage is needed to offset heavier soils. Good heat tolerance means that, once established, it continues to flower in warmer, drier periods provided it receives supplementary watering. Over the first three years it builds a dependable structure – first consolidating its roots, then pushing stronger shoots, and finally reaching full ornamental potential with stable colouring and form. Moderately thorny stems and mid‑green, slightly glossy foliage frame the soft, straw‑to‑taupe tones, giving a refined contrast alongside perennials or low grasses. Semi‑double flowers with accessible stamens add a gentle wildlife benefit, attracting bees while still reading as a cultivated hybrid tea in mixed cottage‑style plantings.



Usage options

Target areaReasoning
Front garden focal shrub The unusual grey‑brown flower colour creates a distinctive yet tasteful focal point near the front door or along a path, without overwhelming small spaces. Its medium height suits average front gardens and offers an easy, elegant talking point for beginners.
Small border groups (1–3 plants) Planting in small groups allows its cluster‑flowering habit to build a fuller visual mass, giving more impact from each flush without complicated design work. Square or hexagonal spacing is straightforward to set out, helpful for confident results for busy gardeners.
Cutting patch or vase corner The high‑centred, pointed buds and long‑stemmed flowers lend themselves naturally to cutting, so a single plant can supply distinctive stems for the house. Regular cutting conveniently doubles as light pruning, supporting repeat bloom for style‑conscious homeowners.
Sunny cottage‑style mixed bed Light mocha and straw tones blend beautifully with soft pinks, whites and silvers in cottage mixes, while its moderately dense foliage provides background structure. Semi‑double blooms give a relaxed look that integrates well with informal drifts for cottage‑garden lovers.
Feature rose in raised or improved beds In raised beds or improved clay, the plant benefits from steadier drainage while its own‑root system develops a stable framework and copes with wetter, breezier spells common in many UK gardens. This supports long, reliable performance for practical planners.
Low‑maintenance specimen planting As a single specimen at around 110 cm spacing, it is simple to access for the occasional deadheading and pest check it requires. Own‑root growth helps the shrub recover well after pruning, extending its useful garden life for time‑pressed owners.
Bee‑friendly ornamental corner Semi‑double, open blooms with visible stamens attract bees while still reading as decorative hybrid‑tea roses. Positioned near seating areas, they add gentle pollinator interest without needing complex wildlife‑garden layouts, ideal for nature‑minded families.
Large patio container (40–50 L) In a 40–50 litre container, its moderate height and spreading habit are easy to manage on patios or by the front step, provided watering is regular in dry spells. This allows rental or paved gardens to enjoy long‑term structure for urban residents.

Styling ideas

  • Cottage Harmony – Combine with white feverfew and soft pink roses for a misty, romantic mix that lets the taupe blooms stand out gently – ideal for cottage‑garden lovers.
  • Front‑Door Focus – Plant a single shrub with low lavender edging to frame its unusual colour as a subtle welcome accent – ideal for design‑conscious homeowners.
  • Mocha Border – Pair with lamb’s ear and silvery grasses so the light‑brown flowers echo the cool foliage tones – ideal for contemporary border planners.
  • Cutting Corner – Dedicate a small bed near the back door for easy‑to‑reach stems, mixing with white cosmos for airy vase combinations – ideal for home florists.
  • Patio Statement – Grow in a large clay pot with trailing thyme at the base to soften the edge and highlight the blooms on terraces – ideal for balcony and courtyard gardeners.

Technical cultivar profile
ParameterData
Name and registration Hybrid tea rose for garden and exhibition use; current trade name DIAMOND GRAY, also known under the American Rose Society exhibition name Diamond Gray.
Origin and breeding Bred by Teranishi Kikuo at Itami Rose Nursery in Japan, with breeding work completed in 2003 and the variety introduced to the market in 2004.
Growth and structural characteristics Medium‑sized, 80–120 cm tall shrub with a spreading habit, moderately dense, mid‑green, slightly glossy foliage and moderate prickliness, forming a balanced bush for borders.
Flower morphology Semi‑double, high‑centred, hybrid‑tea type flowers in clusters, 13–25 petals, large bloom size with a classic pointed bud form suitable both for garden display and cutting.
Colour data and phenology Distinctive light brown, taupe‑grey colour range; mocha buds fade through beige‑brown towards straw tones, with generally good colour retention under garden conditions.
Fragrance and aroma Fragrance is mild and restrained, offering a light scent without dominating nearby seating areas, making it suitable where strong perfume is not desired.
Hip characteristics Produces moderate quantities of ellipsoidal hips, around 12–18 mm across, colouring to an orange‑red tone and adding a discreet, seasonal decorative element in late season.
Resistance and winter hardiness Hardy to approximately −21 to −18 °C (RHS H7, USDA 6b), good heat tolerance with watering in drought; resistant to powdery mildew and black spot, moderate against rust.
Horticultural recommendations Best in sunny positions with reasonable drainage, medium maintenance needs and occasional pest control; recommended spacing 60–110 cm depending on hedging, massing or specimen use.

DIAMOND GRAY offers an unusual taupe‑brown bloom, reliable repeat flowering and manageable care on a long‑lived own‑root framework, making it a thoughtful choice for understated, enduring garden structure.

Detailed product attributes

Product Identification Data

Product Name: DIAMOND GRAY – light brown hybrid tea rose - Teranishi
Product Type: pharmaROSA® ORIGINAL - 2-litre own-root potted rose
Cultivar Authenticity: Verified:08.03.2025
Cultivar Quality Rating: premium silver
Item Number: [1393] 53-336 (14.02.2026) pharmarosa.co.uk

Name and Registration

Meaning of Cultivar Name: The word "Gyémántszürke" refers to the flower's unique, greyish-brown shade.
Original Trade Name: Diamond Gray
Current Trade Name: Diamond Gray Hybrid tea rose Teranishi
Rose Group: Hybrid Tea
Commercial Type: hybrid tea rose
Commercial Group: Hybrid tea rose
Exhibition Category: exhibition hybrid tea; cut flower
Collection: Hybrid tea rose

Origin and Breeding

Registration Year: Data not available
Breeder: Teranishi Kikuo
Breeding Company / Institution: Itami Rose Nursery (Japan)
Breeding Year: Japan, 2003
Parentage: unknown

Growth and Structural Characteristics

Height: 2.6-3.9ft (80-120 cm)
Spread: 2.6-3.9ft (80-120 cm)
Growth Habit: spreading
Foliage: The variety has moderately dense foliage. Its leaves have a slightly glossy surface and a mid-green shade.
Prickliness: moderately thorny
Self-Cleaning Description: Most of the spent blooms remain on the plant and require subsequent cleaning.
Self-Cleaning Intensity: Self-cleaning: weak.

Flower Morphology

Petal Count: 13-25
Flower Fullness: semi-double flowered
Flower Shape: high-centred, pointed bud (cut-rose type)
Flower Size: L (2,75-3,95 in)
Inflorescence Type: cluster-flowered
Colour Code: ARS code: Ru RHS code: 201A, 199D
Repeat Flowering: Remontant; the second flowering is also abundant.

Colour Data and Phenology

Colour: light-brown
Flower Colour Description: It is characterised by a pale, slightly grey-tinged brown shade.
Closed Bud: Sandy colour with a subtly greyed brown shade.
Newly Opened Flower: Light mocha brown with a slightly ashy grey tone inside.
Full Bloom: Pastel taupe-brown with a soft silvery‑grey veil along the edges of the outer petals.
Before Fading: Pale beige-brown overall effect, fading almost to a straw colour.
Colour Fading Description: During opening, the light mocha–drab shade gradually fades towards a pale beige‑brown, almost straw colour; in strong sunlight it lightens more quickly.

Fragrance and Aroma

Fragrance Strength: mild, restrained-scented rose
Fragrance Character: scent description not available
Pollinator Attraction: Semi‑double, open flowers with visible stamens attract bees, as the flower form (simple/semi‑double/double) and the accessibility of the stamens strongly influence pollinator attraction.
Pollinator-Friendly Rating: Its semi-double, open flowers with visible stamens make the variety moderately pollinator-friendly and attract bees.

Hip Characteristics

Hip Shape: ellipsoidal
Hip Colour: orange-red
Hip Comment: Rose hips produced in moderate quantities, 12–18 mm in diameter, ellipsoidal in shape and orange-red.

Resistance and Hardiness

Hardiness (°C): -21–-18 °C
Heat and Drought Tolerance Description: Tolerates heat well; requires watering during dry periods.
Disease Resistance: moderate
  • powdery mildew – resistant
  • black spot – resistant
  • rust – moderate

Horticultural Recommendations

Recommended Planting Distance: for mass planting 70 cm, for hedging 60 cm, as a solitary specimen 110 cm
Planting Density: square planting 2,0 plants/m², hexagonal arrangement 2,4 plants/m²
Partial Shade Tolerance: Preferably for a sunny location
Maintenance Requirement: Maintenance requirement medium; occasionally requires pest control.
Primary Uses: borders, cut flowers, specimen

Comments

Strengths: Green mindset – Conscious garden investment
Companion Plants: Stachys byzantina - lamb's ear Tanacetum parthenium - feverfew Tanacetum parthenium - feverfew
Comment: -
DIAMOND GRAY – light brown hybrid tea rose - Teranishi
It is characterised by a pale, slightly grey-tinged brown shade. - hybrid tea rose - mild, restrained-scented rose - scent description not available
Online rose purchase - light-brown - hybrid tea rose - Diamond Gray - (2.6-3.9ft (80-120 cm))
Inflorescence: cluster-flowered Height: 2.6-3.9ft (80-120 cm) Flower shape: high-centred, pointed bud (cut-rose type) Winter hardiness: 5b light-brown - - hybrid tea rose - Flower size: !- Flower size: !- - Height: 2.6-3.9ft (80-120 cm) Height: 2.6-3.9ft (80-120 cm) - Flower fullness: semi-double flowered Diamond Gray - Roses in the garden | pharmaROSA® Original - premium silver Teranishi Kikuo

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


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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.