NOASUN – yellow ground-cover rose - Noack
Imagine opening your front door to a sweep of sunny colour, even after a night of Irish rain, as this easy-going groundcover rose quietly carpets the soil in soft, light-catching blooms despite humid weather and changeable skies. NOASUN settles in quickly, then rewards you with long seasons of flowering, as fresh clusters replace the old without any fussy deadheading. Its semi-double blooms carry a gentle, medium-strength fragrance, while the own-root habit means the plant stays stable and dependable for years, even if winter cuts it back. Perfect for cottage-style borders or small city front gardens, it spreads into a dense, dark-green cover that suppresses weeds, shrugs off common rose diseases and copes well with short summers that demand repeat blooms. In your first year it concentrates on strong roots, the second on building up healthy shoots, and by the third it typically reaches its full ornamental impact as a cheerful, low-maintenance feature you can simply enjoy.
Usage options
| Target area |
Reasoning |
| Low-maintenance cottage-style front garden |
Ideal where you want charm without chores: NOASUN repeats flowering reliably with minimal care, dropping most spent blooms on its own so you rarely need to deadhead, suiting time-poor gardeners and beginners. |
| Groundcover for sloping or awkward beds |
The spreading habit and dense dark-green foliage form a living carpet that helps shade the soil and suppress weeds, reducing upkeep while giving a neat, finished look that suits busy homeowners. |
| Pollinator-friendly mixed planting |
Semi-double flowers offer partly accessible stamens, giving moderate support to bees and other visitors while still looking full and decorative, a good balance for nature-conscious urban gardeners. |
| Urban front gardens and street-side beds |
Proven tolerance of city conditions, including reflected heat and occasional dryness, plus strong disease resistance, delivers dependable colour and tidy foliage in exposed, public-facing spots for town-dwellers. |
| Rainy, changeable coastal-climate gardens |
Bred for toughness, this rose keeps its foliage healthy in damp, fungus-prone situations and continues flowering through unsettled summers with frequent showers, reassuring for Atlantic-influenced gardeners. |
| Family garden beds with limited space |
Moderate height but generous spread fills space without towering over other plants, creating a soft yellow drift that children and adults can enjoy at eye level, ideal for compact family gardens. |
| Long-lived planting schemes |
Own-root plants re-sprout faithfully from their base if damaged by frost or pruning, reducing the risk of losing the variety and supporting stable displays prized by forward-planning gardeners. |
| Large containers on patios or terraces |
Performs well in a substantial container of at least 40–50 litres with good drainage, giving a generous mound of colour and scent near seating areas, a practical solution for hard-working balconies. |
Styling ideas
- Cottage-Ribbon – edge a front path with NOASUN drifts and soft herbaceous perennials for a relaxed Irish cottage feel – perfect for romantic front-garden owners.
- Urban-Carpet – combine NOASUN with low evergreen grasses in small city beds to give year-round structure and cheerful colour – ideal for busy town households.
- Sunny-Tapestry – weave NOASUN through a mixed border with Verbena and purple loosestrife for layered, wildlife-friendly interest – great for nature-oriented gardeners.
- Terrace-Haven – grow NOASUN in a 50-litre pot with trailing thyme for an easy-care scented patio focal point – suited to apartment or terrace dwellers.
- Playground-Soft – plant NOASUN near lawns and play spaces so children see flowers at their level without tall thorns – reassuring for young families.
Technical cultivar profile
| Property |
Data |
| Name and registration |
Groundcover rose, registered as NOAson, marketed as Noasun Décorosiers® NOAson, also known in exhibitions as Celina; part of the Décorosiers® collection for ornamental landscape use. |
| Origin and breeding |
Bred by Werner Noack in Germany before 1996 from ‘Immensee’ × ‘Westfalengold’; introduced by Noack Rosen from 1997, with European and US plant variety protection registrations. |
| Awards and recognition |
Holds the prestigious ADR 1999 rating for garden performance and the RHS Award of Garden Merit granted in 2012, confirming reliability and ornamental value in a range of climates. |
| Growth and structural characteristics |
Spreading shrub to roughly 60–100 cm high and 60–110 cm wide, with dense, dark green, glossy foliage and moderate thorns; self-cleaning habit helps maintain tidy, low groundcover. |
| Flower morphology |
Semi-double, flat, cluster-flowered blooms about 4–7 cm across, with 13–25 petals; remontant habit ensures abundant repeat flowering from early summer onwards in suitable conditions. |
| Colour data and phenology |
Medium-saturation yellow with a golden centre; buds open bright lemon-yellow then soften to creamy pastel tones, with edges paling almost to white, especially in stronger sunlight exposure. |
| Fragrance and aroma |
Medium-strength, pleasantly soft fragrance with a harmonious, unobtrusive character; noticeable at close range along paths or seating areas without overwhelming nearby planting schemes. |
| Hip characteristics |
Moderate production of small, spherical hips about 5–9 mm across, maturing from green to reddish tones; ornamentally subtle yet adding seasonal interest later in the year. |
| Resistance and winter hardiness |
Rated hardy to about -21 to -18 °C (H7, USDA 6b) with notable resistance to black spot, powdery mildew and rust, plus good tolerance of heat and moderate drought once established. |
| Horticultural recommendations |
Suited to groundcover, beds, parks, urban spaces and containers; plant 50–90 cm apart, in sun or partial shade, in well-drained soil, mulched to conserve moisture and ease maintenance. |
NOASUN combines long, self-cleaning flowering, robust disease resistance and durable own-root vigour, making it a thoughtful choice if you’d like reliable yellow groundcover without demanding care.
