CARDINAL HUME – lilac-purple park rose – Harkness
This classic shrub rose brings a quietly sumptuous, mauve charm to family gardens, with clusters of dusky blooms that sit beautifully among cottage-style planting. Bred by Harkness, it offers naturally good health and low-maintenance reliability, coping well where gardens are often breezy and damp with frequent rain and wind off the coast. Planted as an own-root, container-grown shrub, it settles quickly, building a deep, resilient root system for a long life and steady flowering. Over time the bushy, slightly spreading habit forms an informal hedge or backdrop, ideal beside lawns, patios and kitchen gardens where you can enjoy its medium, muscat-like scent over afternoon tea in a setting that feels genuinely romantic and storybook. Allow space for its mature width to create an enveloping sense of cosiness, or train it gently into an arbour to frame your favourite view. With repeat flowering, dark green foliage and reliable resistance to common rose diseases, it is a reassuring choice if you want a graceful rose without complicated care.
Usage options
| Target area | Reasoning |
|---|
| Romantic focal shrub near terrace or seating |
The rich lilac-purple clusters and soft muscat fragrance draw the eye and nose towards your favourite sitting spot, creating a natural focus without formal pruning demands; shaping is optional, not essential, which suits busy homeowners. |
| Loose flowering hedge along paths or boundaries |
Its bushy, slightly spreading habit and mature width lend themselves to an informal hedge that screens views while remaining welcoming, with repeat flowering and a forgiving structure that copes well with light, occasional trimming for family gardeners. |
| Cottage-style mixed border with perennials |
Deep smoky blooms sit beautifully among foxgloves, catmint and cottage favourites, while own-root strength supports long-term structure; once planted and mulched, it needs little more than seasonal checks, appealing to romantic-style lovers. |
| Low-maintenance feature in clay or chalky soils |
Once established, its robust shrub framework and own-root resilience make it dependable in many typical UK garden soils, provided basic drainage is ensured, giving reassuring performance without specialist regimes for practical homeowners. |
| Coastal or exposed suburban gardens |
The dense foliage and well-anchored shrub form help it ride out breezy, rain-lashed days that would flatten flimsier plants, remaining a stable presence and holding its ornamental value for coastal gardeners. |
| Part-shaded corners and north–east aspects |
Tolerant of partial shade, it will still deliver colour and scent where many roses sulk, extending planting options around existing trees, fences and sheds, which is especially useful for small-garden owners. |
| Large containers (minimum 40–50 litres) |
In a substantial pot with regular watering, it offers repeat colour on patios and balconies; the own-root plant ages steadily without weakening graft unions, providing a long-lived display for urban balcony gardeners. |
| Long-term family garden investment planting |
As an own-root rose it regenerates well from the base, preserving shape and flowering over many years; think of it building roots in year one, framework in year two, and full visual impact by year three for planning-focused buyers. |
Styling ideas
- Cottage-Hedge – Plant a loose line along a path with foxgloves and lady’s mantle for a storybook walkway – for families wanting a soft, traditional boundary.
- Tea-Corner – Place one or three shrubs near a seating area, underplanted with lavender and herbs, to frame afternoon tea moments – for homeowners who enjoy quiet pauses outdoors.
- Plum-Border – Combine with deep purples, dusky pink perennials and silver foliage to echo its smoky blooms – for gardeners building a coordinated colour scheme.
- Arbour-Entrance – Use two plants either side of an arch or arbour, guiding their growth upwards and outwards for a welcoming, scented gateway – for those shaping a romantic garden entrance.
- Urban-Pot – Grow it in a 50-litre half-barrel with airy grasses and seasonal bulbs to bring cottage character to a small courtyard – for busy city dwellers short on ground space.
Technical cultivar profile
| Parameter | Data |
|---|
| Name and registration |
Shrub rose marketed as CARDINAL HUME – lilac-purple park rose – Harkness; registered as HARregale, exhibition name Cardinal Hume, shrub / park-rose grouping. |
| Origin and breeding |
Bred by Jack Harkness, R. Harkness & Co. Ltd., United Kingdom; complex parentage including Rosa californica; introduced and registered in 1984 as a hardy landscape shrub. |
| Awards and recognition |
RNRS Certificate of Merit (1984), reflecting dependable garden performance and ornamental value noted by trial judges soon after introduction. |
| Growth and structural characteristics |
Bushy, slightly spreading shrub, around 80–130 cm high and 120–200 cm wide, with dense, dark green, lightly glossy foliage and moderate prickles, suitable for hedges and specimen use. |
| Flower morphology |
Medium, double, cup-shaped blooms with 26–39 petals, borne in clusters; remontant with a notably abundant second flush, giving prolonged seasonal flower interest in borders and beds. |
| Colour data and phenology |
Deep lilac-purple with reddish tones; buds deep crimson, opening rich crimson then maturing to dark mauve-purple and finally dull purplish-brown, with cooler conditions retaining depth of colour longer. |
| Fragrance and aroma |
Medium-strength perfume with a soft, muscat-like character; noticeable on still days and particularly around seating areas, best appreciated near paths, patios or doors at nose height. |
| Hip characteristics |
Occasional small, spherical scarlet hips, about 8–13 mm, appearing after flowering if blooms are left un-deadheaded, adding quiet late-season ornamental interest for observant gardeners. |
| Resistance and winter hardiness |
Good resistance to powdery mildew, black spot and rust; hardy approximately to −21 to −18 °C (RHS H7, USDA 6b), with moderate heat tolerance if watered during extended drought. |
| Horticultural recommendations |
Suited to beds, hedging, specimen and urban green spaces; plant 130–210 cm apart depending on use, in sun or partial shade, with low ongoing maintenance for most garden situations. |
CARDINAL HUME offers richly coloured repeat flowering, reliable disease resistance and long-lived own-root strength, making it a thoughtful choice for relaxed, romantic gardens you would like to enjoy for many years; consider it where you seek lasting character.
