Ida Klemm

Climbing rose

- – Louis Walter

Petals with a uniform snow-white surface and a delicate silk-like sheen. - rambler, climbing rose - mild, subtly scented rose - light, discreet character

– Strong, rambling growth for tall structures
– Pure snow‑white blooms with yellow stamens
– Reliable winter hardiness to RHS H7
– Semi‑double clusters for a romantic look
– Medium disease resistance in garden use
– Special feature: Forms bright red spherical hips, adding decorative winter interest.

Exclusive, space-defining – specialty

pharmaROSA® NEONATAL rooted rose cutting

26,95 £

Due to courier service regulations – and the introduction of customs clearance – delivery to Ireland is temporarily suspended.

5 (8944)

Ida Klemm – white rambler climbing rose – pharmaROSA® NEONATAL rooted cutting

Professional own‑root pharmaROSA® NEONATAL material of Ida Klemm offers a stable rambling framework for pergolas, fences and building coverage, with glossy, dark green foliage and distinctive snow‑white, semi‑double flowers in clustered, exhibition‑grade sprays. This medium‑maintenance, support‑trained ornamental climber is supplied as staked, pre‑trained young material aligned to a trained climber finished‑product route in 5–7 L containers, supporting reliable scheduling for retail and reseller ranges. Own‑root propagation underpins long‑term longevity, predictable regrowth under pruning and low replacement in vertical structures, giving nurseries a practical base for thematic rose collections and show gardens. Its colour retention remains consistent from bud to full bloom, while medium disease profile with powdery mildew resistance suits UK nursery production where winter and wind exposure are common in more open stock fields. Developed for scalable nursery and wholesale integration, Ida Klemm can move from Year 1 roots to Year 2 framework shoots and full ornamental presentation from Year 3, building dependable capacity across professional programmes.

Usage options

Target area	Reasoning
Pergola and archway climber production	The rambling, strongly scrambling growth with 11.8–19.7 ft height and dense, glossy foliage provides fast vertical coverage for pergolas and arches when grown on from staked, trained 3–5 cane material. A 5–7 L trained climber route lets you present space‑defining units with clear vertical garden feature positioning into retail and reseller channels, while own‑root resilience supports long‑term framework stability for thematic rose gardens and collection projects. Retail / reseller
Wall and façade coverage lines	The combination of wide spread (240–400 cm) and lax, framework‑forming canes supports efficient wall and building coverage SKUs from a compact 5–7 L pot, trained on support stakes for quick establishment after planting. Medium maintenance and only occasional plant protection needs help nurseries plan predictable care inputs, while winter‑hardiness to H7 and tolerance of exposed, windy sites fit UK public‑realm supply needs where structures are often open and unsheltered. Public‑realm suppliers
Exhibition and show‑garden climber units	The exhibition climbing rose classification and multiflora‑type clusters of snow‑white, semi‑double flowers with very good colour retention create visually coherent, camera‑ready displays for shows and collection gardens. Using trained climber forms in 5–7 L pots simplifies logistics and bench presentation, while own‑root stands support long‑term renewal and identity security where cultivars are reused across multiple seasons in thematic rose gardens and dedicated collections. Show‑garden organisers
Vertical feature for premium retail ranges	The pure white bloom with subtle ivory shading and visible yellow stamens offers a clear, distinctive vertical garden feature for higher‑value pergola and fence concepts in garden centre assortments. A defined trained‑climber product path allows consistent 5–7 L finished products with recognisable silhouette on delivery benches, aligning with exclusive, space‑defining positioning where retailers need reliable, repeatable SKUs for curated rose displays. Garden centres
Park and estate walkway structures	Strong rambling habit and long canes are suited to estate pergolas and park walkways, where continuous spans are needed from relatively few planting points. Own‑root propagation gives long lifespan and regeneration after structural pruning, reducing replacement frequency and supporting predictable capacity planning for integrators and contractors who must maintain consistent, long‑term coverage on public or institutional rose structures. Landscape contractors
Collection and gene‑bank style plantings	As an early 1906 sport of ‘Crimson Rambler’ with verified authenticity, Ida Klemm has clear value for collection, reference and gene‑bank plantings. Own‑root material secures cultivar identity over time and avoids rootstock variation, with staked, trained NEONATAL cuttings providing a uniform starting point for nursery propagation beds and curated thematic rose gardens that emphasise historical or breeding‑line narratives. Specialist collections
Pollinator‑aware but ornamental‑first projects	Semi‑double clustered flowers offer moderate pollinator access while retaining a controlled, ornamental exhibition look, balancing habitat considerations with visual standards in high‑profile sites. A trained, medium‑maintenance climber in 5–7 L pots slots efficiently into supply chains serving municipal and institutional projects, particularly where winter‑ and wind‑exposed locations demand hardy framework plants on pergolas and façades. Municipal buyers
Autumn interest via hips in landscape schemes	Moderately abundant, bright red spherical hips (6–10 mm) extend seasonality beyond the main flowering, adding late‑season visual points in park and large‑site structures. Integrating this into a trained climber finished‑product route in 5–7 L allows wholesalers to position Ida Klemm as a multi‑season vertical feature, complementing own‑root advantages of low replacement and stable stands in long‑term public‑realm rose programmes. Wholesale nurseries

Finished-product ideas

Pergola White Rambler 5–7 L – trained climber unit with 3–5 main canes for pergolas and arches, using the strong rambling habit and dense foliage to promise fast coverage within retail / reseller vertical feature concepts – garden centres
Façade Coverage Climber Line – 5–7 L support‑trained Ida Klemm for walls and building fronts, leveraging hardy own‑root framework and medium maintenance needs for consistent, low‑replacement stock in public‑realm and institutional façade projects – landscape contractors
Exhibition Collection Climber – curated 5–7 L pots selected for uniform flower clusters and snow‑white colour retention, offered as show‑garden or thematic collection material emphasising the exhibition climbing rose classification – show‑garden organisers
Historic Rambler Heritage Pack – labelled 5–7 L finished plants highlighting the 1906 origin as a sport of ‘Crimson Rambler’, using own‑root authenticity to support collection, gene‑bank and private‑label heritage rose ranges – specialist collections
Season‑Extended Hip Feature Climber – trained Ida Klemm in 5–7 L containers marketed on dual value of white flowering and bright red hips for extended season interest within premium pergola and fence assortments – retail / reseller

Technical cultivar profile

Parameter	Data
Name and registration	Ida Klemm, rambler climbing rose; exhibition climbing rose and support‑trained ornamental rose; unregistered cultivar with no ARS registration, commercial use under the current trade name.
Origin and breeding	Sport of ‘Crimson Rambler’, bred by Louis Walter in France and introduced in 1906 by Peter Lambert (Germany); breeding company otherwise unknown, no further registration data available.
Awards and recognition	No data on competition, collector or global awards; no specific show, trial or rating distinctions have been recorded for this cultivar in the available sources.
Growth and structural characteristics	Strongly scrambling, lax‑branched rambler with 360–600 cm height and 240–400 cm spread; dense, glossy dark green foliage, moderate prickles, suited to training on supports for pergolas, fences and walls.
Flower morphology	Semi‑double goblet to cup‑shaped flowers with 13–25 petals, medium‑sized (approximately 1.5–2.75 in), formed in clusters; remontant with a second flush that is noticeably lighter than the main flowering.
Colour data and phenology	Pure snow‑white petals, ARS code W; RHS 155D outer and 155C inner, only slightly softening to ivory as they open; very good colour retention, from pale greenish‑white buds to full bloom with intense yellow stamens.
Fragrance and aroma	Mild, subtly scented rose fragrance with a light, discreet character; not documented for cosmetic or soap use, and aroma is secondary to visual impact in most production and landscape applications.
Hip characteristics	Produces moderately abundant hips, spherical, 6–10 mm diameter, bright red RHS 45B; hips extend ornamental value into late season and may contribute to bird interest in landscape and park settings.
Resistance and winter hardiness	Medium disease resistance overall; resistant to powdery mildew, medium against black spot and rust. Hardy to approximately −21 to −18 °C, RHS H7, Swedish zone 3, USDA zone 6b; drought and heat tolerance not provided.
Horticultural recommendations	Best used for pergolas, fences, walls, building coverage and park structures; medium maintenance with occasional plant protection, released as staked, trained 3–5 cane climber, typically targeted to 5–7 L container production.

Ida Klemm offers a hardy rambling framework, dense glossy foliage and season‑extending hips on predictable, long‑lived own‑root stands; please contact us to discuss capacity, scheduling and integration into your vertical rose ranges.

Detailed product attributes

Product Identification Data

Product Name: IDA KLEMM – white rambler climbing rose - Walter

Product Type: pharmaROSA® NEONATAL - rooted rose cutting

Product Quality: -

Cultivar Authenticity: Verified:09.06.2025

Cultivar Quality Rating: standard

Item Number: [335] 20-080 (14.02.2026) pharmarosaneonatal.co.uk

Name and Registration

Meaning of Cultivar Name: The name is a female given name.

Cultivar Synonym: -

Registered Cultivar Name: -

Original Trade Name: Ida Klemm

Former Name: -

Current Trade Name: Ida Klemm Climbing rose Walter

American Rose Society Approved Exhibition Name: Ida Klemm

Rose Group: Rambler, Hybrid Multiflora

Commercial Type: rambler, climbing rose

Commercial Group: Climbing rose

Exhibition Category: exhibition climbing rose; support-trained ornamental rose

Collection: Climbing rose

Origin and Breeding

Initial Distributor: Peter Lambert (Germany)

Introduction Year: 1906

Registration Year: unregistered cultivar

Breeder: Louis Walter

Breeding Company / Institution: unknown / no data

Breeding Year: France, 1906

Parentage: sport of 'Crimson Rambler'

Awards and Honours

Global and Lifetime Awards: -

Horticultural Ratings and Recommendations: -

Competition and Show Awards: -

Collectors' Recommendations: -

Growth and Structural Characteristics

Height: 11.8-19.7ft (360-600 cm)

Spread: 7.9-13.1ft (240-400 cm)

Growth Habit: rambling (strongly scrambling, lax-branched rambler)

Foliage: The variety has dense foliage, with glossy, dark green leaves.

Prickliness: moderately thorny

Self-Cleaning Description: No information on self‑cleaning.

Self-Cleaning Intensity: No data on self‑cleaning ability.

Flower Morphology

Petal Count: 13-25

Flower Fullness: semi-double

Flower Shape: goblet/cup

Flower Size: M (1,5-2,75 in)

Inflorescence Type: clustered

Colour Code: ARS code: W RHS code: 155D (outer), 155C (inner)

Repeat Flowering: Remontant; its second flowering is not as abundant.

Colour Data and Phenology

Colour: white

Flower Colour Description: Petals with a uniform snow-white surface and a delicate silk-like sheen.

Closed Bud: Pale greenish-white, translucent at the tips with a whitish tint.

Newly Opened Flower: Bright white petals with the central zone in a slightly icy tone.

Full Bloom: Pure snow-white petals with intense yellow stamens in the centre that emphasise the whiteness.

Before Fading: The white petals subtly take on an ivory hue and acquire a silky matt sheen.

Colour Fading Description: The snow-white colour only slightly softens towards ivory as the flower opens.

Colour Retention Level: very good

Fragrance and Aroma

Fragrance Strength: mild, subtly scented rose

Fragrance Character: light, discreet character

Pollinator Attraction: Semi-double (13–25-petalled) flowers moderately attract pollinators because the semi-double form partially conceals the stamens, reducing their accessibility.

Pollinator-Friendly Rating: The descriptions do not specifically state that it is pollinator-friendly.

Soap and Cosmetic Use: -

Hip Characteristics

Maximum Hip Diameter: 6-10 mm

Hip Shape: spherical

Hip Colour: bright red (RHS 45B)

Hip Comment: Moderately abundant, 6–10 mm in diameter, spherical, bright red (RHS 45B) rose hip.

Resistance and Hardiness

Hardiness (°C): -21–-18 °C

RHS Hardiness Rating: H7

Swedish Hardiness Zone: Zon 3

USDA Hardiness Zone: 6b

Heat and Drought Tolerance Description: No data are available on heat–drought tolerance.

Heat and Drought Tolerance Level: -

Disease Resistance: medium

powdery mildew – resistant
black spot – medium
rust – medium

Horticultural Recommendations

Recommended product path: Trained climber finished product

Recommended target pot: 5–7 L

Release form: Staked, trained (3–5 main canes)

Recommended use: Maintenance requirement medium; occasionally requires plant protection.

Primary Uses: pergola, fence, wall, building coverage, park

Comments

Positioning: Exclusive, space-defining – specialty

Target customer/channel: Retail / reseller

Main value proposition: Vertical garden feature, distinctive habit

IDA KLEMM – white rambler climbing rose - Walter

Petals with a uniform snow-white surface and a delicate silk-like sheen. - rambler, climbing rose - mild, subtly scented rose - light, discreet character

white mild, subtly scented rose Rose Shopping Online Ida Klemm rambler, climbing rose

Inflorescence: clustered Height: 11.8-19.7ft (360-600 cm) Flower shape: goblet/cup Winter hardiness: 6b white - Peter Lambert (Germany) rambler, climbing rose - Flower size: M (1,5-2,75 in) Flower size: M (1,5-2,75 in) - Height: 11.8-19.7ft (360-600 cm) Height: 11.8-19.7ft (360-600 cm) - Flower fullness: semi-double Ida Klemm - Roses in the garden | pharmaROSA® Neonatal - standard Louis Walter

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 dispatch the roses from our online shop?

Ask yourself the question: What final product do I want to create from it?

Wholesale of cuttings

PharmaRosa® NEONATAL is the cost‑effective starting point for rose product production.

As a uniform, own‑rooted propagation material, it provides a stable basis for further growing-on and can be integrated flexibly into different finished product production technologies.
Rooted in trays (rooted), 3–6‑month‑old, own‑rooted rose cutting.
Uniform developmental stage, with a root system that has thoroughly penetrated the plug.
For professional growing‑on.
Tray packaging: 10 pcs/tray.
Quality and varietal identity: production supported by a dedicated identification and traceability logic.
Can be transplanted during frost‑free periods, designed for finished product production.

PharmaRosa® NEONATAL provides a controlled, uniform starting stock for planned growing‑on that can be integrated into your own technology – especially where scheduling and varietal identity are paramount.

PharmaRosa® NEONATAL own-rooted rose propagation material in a plug, with a root system penetrating the plug (semi-finished product / semi-finished rose). PharmaRosa® NEONATAL rose propagation material size: 3–6‑month‑old, own-rooted cutting with a uniform developmental stage. PharmaRosa® NEONATAL tray stock: own-rooted rose propagation material in trays, uniform developmental stage (10 pcs/tray).

Captions (from left to right): Semi-finished product (NEONATAL own-rooted rose propagation material in a plug with a fully developed root system) • Size demonstration (3–6‑month‑old, uniform cutting) • Root system detail (plug penetrated by the root system) • Tray stock (10 pcs/tray, uniform developmental stage)