Hydrangea paniculata Pinkachu
Hydrangea paniculata Pinkachu
Hydrangea paniculata Pinkachu
Hydrangea paniculata Pinkachu®
Paniculate Hydrangea, Panicled Hydrangea, Panicle Hydrangea
Well-packaged young plant, well ramified and ready to be planted, with pruning already done.
Francoise, 29/10/2025
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Description
Hydrangea paniculata ‘Pinkachu’ is a recent American creation with a remarkably compact habit and early flowering. Its beautiful inflorescences in plump, conical panicles begin white, tinting to a deep pink and then to red with cooler summer nights. They are supported on particularly sturdy stems, unaffected by the weight of rain-soaked flowers. Its foliage is a deep green. Very hardy, and tolerant of sun and slightly calcareous soils, this shrub is very well suited to pot cultivation.
Hydrangea paniculata ‘Pinkachu’ is a recent cultivar, developed at the American Spring Meadow nursery in 2015. It is a descendant of the ‘Little Lamb’ cultivar. The Hydrangea paniculata species is native to the temperate eastern regions of China and Japan. ‘Pinkachu’ has excellent hardiness (down to -30 °C). It adapts to sun and relative drought, while showing more tolerance towards calcareous soils than the traditional Hydrangea macrophylla. It forms a compact bush with an erect and ramified habit, reaching about 60 cm (23.6 in) in height by 80 cm (31.5 in) in spread, with rapid growth. Its flowering generally begins in early July and continues until early autumn. Initially greenish-white, its slender panicles, about 12 cm (4.7 in) long, composed of sterile and fertile florets, gradually turn pink, then completely dark pink or red in early autumn. Its sturdy branches easily support the weight of the flowers. They are covered in beautiful dark green, ovate, deciduous foliage. This exceptional variety requires no pruning.
Planted in any good garden soil, without too much lime however, Hydrangea paniculata ‘Pinkachu’ displays rapid growth. It is a very hardy variety, which can be planted in a low hedge or in a mixed bed with other hydrangeas and perpetual roses to play with contrasts and shapes. Its small stature allows it to be incorporated 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 some additions of fertiliser and regular watering.
Hydrangea paniculata Pinkachu in pictures
Plant habit
Flowering
Foliage
Planting and care
Hydrangea paniculata Pinkachu is not too demanding about the nature of the soil, as long as it is not too heavy, and not too chalky. It requires a sunny but non-scorching, or semi-shaded exposure. When planting, install it in deeply worked soil. A good base fertiliser (horn or dried blood) will aid the recovery of your young plant and feed it without risk of burning. If your soil has a tendency towards dryness, mix our STOCKOSORB® water retainer with the soil when filling the planting hole and provide a surface watering basin.
At the end of summer, we advise you not to cut the dry panicles that 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: these shrubby hydrangeas with elongated inflorescences are resistant to drought and easily settle even in non-acidic soil. They bloom generously from June until the frosts. Planted in the sun, their 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).
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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