Philadelphus Pearls of Perfume - Mock Orange
Philadelphus Pearls of Perfume - Mock Orange
Philadelphus Pearls of Perfume - Mock Orange
Philadelphus Pearls of Perfume - Mock Orange
Philadelphus Pearls of Perfume - Mock Orange
Philadelphus Pearls of Perfume - Mock Orange
Philadelphus Pearls of Perfume - Mock Orange
Philadelphus Pearls of Perfume 'G15097'
Mock Orange
As I have a large terrace and therefore grow my shrubs in pots, I'm trying a mock orange this year. All the shrubs I received in 2025 are magnificent, so I have high hopes for this one.
Monique , 23/03/2026
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Description
The Philadelphus 'Pearls of Perfume' is a new generation white Mock Orange bush that stands out for the duration of its flowering. The beauty of the flowers and the fragrance has been retained in this beautiful American selection. Large, double, pure white and highly fragrant flowers remind us of gardenia. The bush is compact, well-branched, and suitable for gardens of all sizes. It is undemanding and thrives in all soils, all exposures and parts of the country. If you only have space for one Mock Orange, this one deserves to be at the top of the list!
The Philadelphus are all deciduous bushes originating from the northern hemisphere's temperate regions, particularly from the Far East and North America. The approximately 60 species that make up this genus were first crossed in France by Jacques and Lemoine and then in the United States. Undemanding, robust and hardy, Mock Oranges can sometimes take a while to establish. They should be regularly pruned after flowering to remain floriferous. They belong to the Hydrangea family.
The 'Pearls of Perfume' Mock Orange ('G15097') is an American horticultural hybrid obtained in Pennsylvania by breeder Rick Grazzini, who crossed Philadelphus with P. virginalis and P. lewisii 'Snow Velvet'. The bush is well bushy, with a dense habit. Of medium growth, it reaches approximately 1.20 m (4ft) in height with a spread of 60 cm (24in) at the age of 5 years. Its fully double flowers measure approximately 6 cm (2in) in diameter. They bloom first on one-year-old stems, from June onwards, and the current year's growth until August. They are gathered in small, dense clusters full of charm. Their fragrance is pleasant and pronounced. The leaves are abundant, slightly toothed at the edges, 4 to 10 cm (2 to 4in) long, and dark green. Their ovate shape characterises them, with pointed tips and prominent longitudinal veins that run through the lamina. The deciduous foliage is absent in winter.
Rediscover Mock Oranges: they are simple bushes surrounded by such symbolism that they once reigned in every garden! The Poet's Jasmine, suitable for all types of gardens, very easy to grow, is ideal for beginner gardeners. This 'Pearls of Perfume' variety, modest but exceptionally floriferous, will be perfect in combination with other bushes, in beds or a small flowering hedge. It can be planted in groups of 3 plants or combined with bushes that flower earlier or later: Deutzia, dwarf Buddleias, Forsythia, Caryopteris, summer lilacs, Japanese quinces, and roses in all colours. Let a small herbaceous clematis climb in its branches, giving your Mock Orange a wild and charming look. Its white flowering also allows beautiful pairings with blue-flowering perennial geraniums (or white, to enhance the beauty of an evening garden).
Philadelphus Pearls of Perfume - Mock Orange in pictures
Plant habit
Flowering
Foliage
Botanical data
Philadelphus
Pearls of Perfume 'G15097'
Hydrangeaceae
Mock Orange
Cultivar or hybrid
Planting and care
The Philadelphus 'Pearls of Perfume', a very easy-to-grow bush that requires very little maintenance and is very accommodating, is well suited to all gardens and ideal for beginner gardeners. It is suitable for ordinary, poor, and even limestone soil, not too dry or moist. While it can tolerate drought once established, it tends to lose its leaves in hot and dry climates during summer and prefers well-drained and humus-rich soil. It is very hardy, tolerating temperatures as low as -20°C (1°F). Planting should be done in early spring or autumn, preferably in full sun, partial shade, or light shade in hot regions. Excessive heat exposure should be avoided in dry and hot climates.
Flowering on last year's shoots, Philadelphus should be pruned after flowering, in July-August, by shortening the flowering branches by one-third of their length. Severe pruning can be done every 2 to 3 years to keep it compact and floriferous. Do not hesitate to cut the old wood and long branches down to the base of the plant to encourage branching from the base. While it is a resistant shrub, it can be susceptible to powdery mildew and black aphids.
Planting period
Intended location
Care
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
The planting period indicated on our website applies to regions in USDA Zone 9a (East Coast and Midlands: Dublin, Wexford, Waterford, Kilkenny, Portlaoise). It will vary depending on where you live:
- On the west coast and in the north-west (Galway, Limerick, Sligo, Donegal, Westport), delay planting by 1 to 2 weeks in spring and bring it forward by 1 to 2 weeks in autumn compared to the dates given, preferably choosing periods without strong winds.
- In the inland hills and plateaus (Wicklow Mountains, Macgillycuddy’s Reeks, Connemara, Killarney), it is best to plant in spring (April–May) or autumn (September–October), avoiding periods of waterlogged soil in winter and strong winds, which pose the main risk to newly planted trees in these areas.
The flowering period indicated on our website applies to regions in USDA Zone 9a, such as the East Coast and Midlands, including Dublin, Wexford, Waterford, Kilkenny and Portlaoise.
This will vary depending on where you live:
- On the west coast and in the northwest (Galway, Limerick, Sligo, Donegal and Westport), it will be delayed by one to two weeks compared to the given dates, due to stronger Atlantic winds and less spring sunshine.
- In the inland hills and plateaus (the Wicklow Mountains, the Macgillycuddy's Reeks, Connemara and Killarney), flowering will be delayed by two to three weeks. Flowering mainly occurs between May and July, with the limiting factors being less frost and more of the excessive humidity, strong winds and lack of sunshine that are characteristic of these areas.
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