Amalthea Romantic rose – pharmaROSA® ORIGINAL 2-litre own-root shrub rose
Imagine stepping outside after a soft shower, the air cool and clear, and your front garden glowing with raspberry blooms that hold their colour even when the weather turns. Amalthea is a nostalgic shrub rose bred for uncomplicated charm in Irish cottage borders and small Dublin terraces, where frequent rain and breezes off the sea are simply part of life, not a problem. Its bushy, upright habit gives you a neat, romantic shrub without tricky pruning, while own-root strength means reliable regrowth and a settled look for many years. Extra-large, fully double flowers with rosette forms appear in generous flushes, filling the garden with a sweet, tea-scented fragrance from early summer onwards. With sensible spacing, light mulching and basic drainage in our heavier Irish soils, this premium bronze cultivar quickly becomes a long-lived focal point that rewards even time-poor beginners.
Usage options
| Target area |
Reasoning |
| Cottage-style border beside a front path |
Amalthea’s nostalgic, very double rosette blooms and medium-height, bushy structure make it ideal along a front path where you pass close enough to enjoy the colour and scent. Its consistently uniform habit gives a tidy, romantic look with minimal shaping, well suited to a relaxed but not fussy border for the homeowner. |
| Feature shrub in a small or medium family garden |
The combination of 75–105 cm height and 45–75 cm spread creates a compact focal shrub that fits comfortably into average Irish family gardens without overwhelming nearby planting. Own-root robustness supports a long-lived feature, bouncing back from minor damage and maintaining ornamental value over many seasons for the long-term gardener. |
| Repeat-flowering colour anchor for short Irish summers |
This remontant variety produces XL clusters of blooms followed by a plentiful second flush, providing reliable colour across the main gardening months even when summer feels brief and changeable. Regular deadheading is simple and extends the show naturally, suiting the busy gardener. |
| Fragrant seating-area or patio planting |
Medium-strength, sweet tea fragrance is noticeable without being overpowering, ideal near a bench or patio where you sit at close range. Clustered flowers on upright stems place scented blooms at nose level, offering relaxed evening enjoyment for the fragrance-lover. |
| Front-garden hedge or low boundary line |
Recommended spacings of around 35–40 cm allow Amalthea to knit into a low, rose hedge with uniform growth, giving a soft, traditional boundary along railings or walls. Regular repeat flowering keeps the hedge decorative for months, even in typical Irish rain and breeze, pleasing the streetside gardener. |
| Romantic cut flowers for the house |
XL, very double, rosette-shaped blooms on strong, upright stems lend themselves to cutting for nostalgic, cottage-style arrangements. The saturated raspberry-pink tones soften beautifully in the vase, bringing garden fragrance and colour indoors with minimal effort for the cottage decorator. |
| Own-root planting for long-term stability |
As an own-root shrub, Amalthea does not depend on a graft union, so it ages evenly, reshoots well from the base, and is less prone to odd, mismatched growth. You can expect a natural progression from establishing roots in year one, gaining top growth in year two, and a fully developed garden presence by year three for the patient beginner. |
| Mixed border in heavy, moisture-retentive Irish soils |
Amalthea performs well in typical heavier garden soils once you provide reasonable drainage and a light mulch, coping steadily with our cool, damp climate where frequent rain and brisk Atlantic air are part of everyday gardening. This makes it a reassuring, low-fuss choice for the urban plot-holder. |
Styling ideas
- Cottage-Romantic Border – Combine Amalthea with lady’s mantle and honesty for a soft, frothy edge that highlights its raspberry rosette blooms – ideal for lovers of traditional cottage borders.
- Terraced-Front Welcome – Plant a short row along a path with low grasses behind, using uniform shrubs to give structure and fragrance at the front door – perfect for Dublin terrace owners.
- Long-Season Feature – Place Amalthea as a central shrub with repeating perennials around it so its remontant flowering anchors colour through the season – suited to busy families wanting impact.
- Cutting-Nook Corner – Grow a small group at recommended spacing by a shed or side gate, kept just for cutting generous, scented stems – for those who love vasefuls of home-grown roses.
- Low-Rose Hedge – Line a drive or boundary with evenly spaced plants, underplant with hardy groundcovers to mask bare soil and show off the tidy habit – for gardeners seeking a romantic boundary.
Technical cultivar profile
| Parameter |
Data |
| Name and registration |
Trade name Amalthea Romantic rose pharmaROSA®, Romantica shrub nostalgia rose, collection Romantic rose; commercial group Rós rómánsúil; ARS exhibition data not recorded at present. |
| Origin and breeding |
Romantica shrub discovered and selected by PharmaRosa®, bred in France, 2011; introduced to market and initially distributed by PharmaRosa® Ltd. Hungary; detailed parentage and registration year not documented. |
| Growth and structural characteristics |
Bushy, upright shrub habit, typically 75–105 cm tall with a 45–75 cm spread; dense, mid-green, slightly glossy foliage; moderately thorny stems; uniform, compact outline suitable for borders and hedging. |
| Flower morphology |
Very double, XL rosette blooms over 10 cm across, carried in clusters of 3–5 per stem; 40+ petals create a nostalgic, full form; weak self-cleaning means spent blooms usually benefit from light deadheading. |
| Colour data and phenology |
Closed buds deep raspberry–carmine; freshly opened flowers vivid raspberry pink with wine-red flushes; full bloom velvety medium-deep pink; gradually fading to raspberry–powder pink; ARS KRE, RHS 155C–155D tones. |
| Fragrance and aroma |
Medium-strength sweet, tea-scented fragrance clearly noticeable near the plant; best appreciated at nose height along paths or seating areas; suitable for cutting if you wish scented indoor arrangements. |
| Hip characteristics |
Produces small spherical hips in modest quantities; typically 8–12 mm diameter, dull red around RHS 46A; hips are mainly of ornamental interest rather than a key display feature on this variety. |
| Resistance and winter hardiness |
Hardy to approximately –21 to –18 °C (USDA 6b, RHS H7, Swedish zone 3); resistant to powdery mildew and black spot with moderate rust susceptibility; medium overall disease resistance, occasional treatments may help. |
| Horticultural recommendations |
Best in full sun with fertile, well-drained but moisture-retentive soil, pH near neutral; spacing 35–65 cm depending on use; suits borders, specimen planting and cutting; water during prolonged drought, mulch annually. |
Amalthea Romantic rose offers XL nostalgic blooms, reliable repeat flowering and a durable own-root shrub for long-lived Irish gardens, so you may wish to give it a settled place in your planting plans.