Hydrangea paniculata Petite Star
Hydrangea paniculata Petite Star
Hydrangea paniculata Petite Star
Hydrangea paniculata Petite Star 'COUSTAR02'
Paniculate Hydrangea, Panicled Hydrangea, Panicle Hydrangea
Very beautiful plant
Agnes, 17/03/2026
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Description
Hydrangea paniculata 'Petite Star' is a variety of paniculate hydrangea with a compact development that stands out for its abundant flowering that changes colour throughout the summer, proving very decorative for over three months. Its rounded and compact flower panicles that transition from lime-green to red through cream-white and pink almost cover its low and wide vegetation. Ideal for landscaping small gardens, this hydrangea also makes a big impact in a pot on the terrace.
Hydrangea paniculata, also called Paniculate Hydrangea, is a particularly hardy species of hydrangea belonging to the Hydrangeaceae family native to the leafy forests of China and Japan. It is easy to grow in any good garden soil that remains fresh.
The 'Petite Star' 'COUSTAR02' variety is the leader of a beautiful series of paniculate hydrangeas with a compact habit. It was selected in France by Jacques Couturieux. The shrub has a low and wide bushy habit, with thick and erect main branches remaining very straight under the weight of the flowers. At maturity, this variety will reach about 55 cm (21.7 in) in height and 95 cm (37.4 in) in width. From the end of June, many upright cone-shaped panicles bloom on the year's branches; these are 15 cm (5.9 in) long and wide and very dense but more compact and rounded than those of other H. paniculata varieties. They contain mainly large sterile, single florets, evolving from a lime-green shade to cream-white and then pink, to end up pink-red in September. From spring, the branches bear oval, finely dentate leaves of a fairly light green, 5 to 15 cm (2 to 5.9 in) long and 5 to 7 cm (2 to 2.8 in) wide. These turn yellow in autumn before disappearing in winter. Paniculate hydrangeas are less sensitive to late frosts, as the majority of them bloom on the year's shoots. This variety will withstand -20 °C (-4 °F), or even below.
Hydrangea paniculata Petite Star stands out from its cousins, the large-leaved hydrangeas (Hydrangea macrophylla), by its good tolerance to sun, sea spray and relative drought. Installed in any good garden soil without too much lime, in a few seasons 'Petite Star' forms a bush that disappears under its changing flowers for over three months. Install it alone, in a low hedge or in a massif, or even in clear undergrowth, mixed with other hydrangeas and perpetual roses to play with contrasts and shapes. You can also combine it with grasses such as Miscanthus, Panicum virgatum Squaw and Stipa. Its small size allows it to be incorporated without hesitation into a small garden and to be grown without difficulty in a large pot on the terrace where it will live for many years with regular fertiliser and watering.
Hydrangea paniculata Petite Star in pictures
Plant habit
Flowering
Foliage
Botanical data
Hydrangea
paniculata
Petite Star 'COUSTAR02'
Hydrangeaceae
Paniculate Hydrangea, Panicled Hydrangea, Panicle Hydrangea
Cultivar or hybrid
Planting and care
Hydrangea paniculata Petite Star is not demanding about the nature of the soil, as long as it is rather fresh and not too heavy or too chalky. It requires a non-scorching sunny exposure or partial shade. When planting, install it in deeply worked soil. A good base fertiliser (horn or dried blood) will facilitate the recovery of your young plant and feed it without risk of burning. If your soil is dry, mix our STOCKOSORB® water retainer with the soil when filling in the planting hole and provide a watering basin on the surface.
At the end of summer, we recommend not cutting the dry panicles which will protect the terminal shoots of the branches in winter; you should cut all the dry flowers at the end of February or on the first summer days. The plant's spring vegetation appears rather late.
Hydrangea paniculata should be pruned at the end of winter to produce more inflorescences and maintain a dense habit. Except to deliberately limit the expansion of the bush if it has become too large, you should ensure not to remove the two-year-old branches, as doing so will compromise the development of the plant.
Hydrangea Paniculata is more resistant to drought and easily establishes itself even in non-acidic soil. It flowers generously from June until the first frosts. When planted in the sun, its inflorescences change colour in the autumn.
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).
The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
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 planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
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.
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