Anemone ‘Whirlwind’ – Japanese Anemone
Anemone ‘Whirlwind’ is a graceful and long-flowering Japanese anemone, perfect for bringing light and movement to the late-season garden. Its elegant white semi-double blooms with gently ruffled petals offer a fresh contrast to the rich tones of autumn, and its easy-going nature makes it a favourite among everyday gardeners. Ideal for mixed borders, shady spots, or woodland-style planting, it’s a reliable perennial that will return year after year.
At a Glance
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Type: Herbaceous perennial
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Flowering Time: August to October
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Colour: Pure white with a soft yellow centre
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Foliage: Deeply divided, dark green leaves
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Position: Full sun or partial shade
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Height: 90cm (3ft)
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Spread: 45cm (1.4ft)
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Hardiness: Very hardy (–20°C and below), suitable for all parts of the UK (RHS H7)
Elegant Blooms for Late Summer and Autumn
‘Whirlwind’ produces a profusion of white, semi-double flowers with layers of ruffled petals and a central cluster of golden-yellow stamens. The blooms sit on tall, wiry stems that sway gently in the breeze, adding movement and softness to borders and beds. These blooms are especially valuable for adding brightness when many summer flowers have started to fade.
A Natural Choice for Shade
Japanese anemones like ‘Whirlwind’ thrive in partial shade, making them ideal for planting under trees, alongside north- or east-facing walls, or in spots where other perennials may struggle. It also does well in full sun, provided the soil remains moist and cool. Its adaptable nature means it’s suited to a variety of garden settings.
Reliable and Easy to Grow
‘Whirlwind’ is a low-maintenance and long-lived plant. Once established, it forms a dense clump of attractive foliage topped with weeks of flowers in late summer and early autumn. It's known for its ability to naturalise gently over time, gradually filling out its space without becoming invasive.
Versatile in Garden Design
This anemone is perfect for:
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Cottage gardens and informal borders
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Woodland gardens and dappled shade
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Mixed perennial beds, especially for autumn interest
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Pollinator-friendly gardens, attracting bees and hoverflies
Its elegant white flowers pair beautifully with the rich hues of other autumn bloomers, such as sedums, rudbeckia, heleniums and ornamental grasses.
Growing Tips
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Soil: Moist, fertile, well-drained soil is ideal
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Potting: Can grown in pots can be planted at any time of the year providing the ground is not frozen or waterlogged
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Watering: Water regularly in dry weather, especially in the first year
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Mulching: Mulch in spring with compost or well-rotted manure to retain moisture and enrich the soil
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Feeding: Not usually needed if soil is well mulched
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Pruning: Cut back faded flower stems and tidy foliage in late autumn or early spring
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Planting Time: Best planted in spring or autumn, though container-grown plants can be planted year-round
Hardy and Robust
With an RHS hardiness rating of H7, ‘Whirlwind’ is fully hardy across the UK, including colder and more exposed areas. It survives harsh winters with little fuss and re-emerges reliably each year, often stronger and more floriferous than the last.
A Bright and Breezy Border Star
For a low-maintenance perennial that offers long-lasting beauty from late summer into autumn, Anemone ‘Whirlwind’ is a superb choice. Its clean, white blooms, graceful movement, and adaptability make it a cherished addition to any garden.
Order now and enjoy the refreshing charm of Anemone ‘Whirlwind’ in your garden for years to come.
Buying Perennials from Jacksons Nurseries
At Jacksons Nurseries we lightly trim back our perennials after flowering and trim them back at the end of the season to ensure that the plants remain neat and tidy whilst in the pot. The more tender the plant the less we cut back to help protect exposed stems from winter frost. Depending on the plant variety we will then prune back further in spring once the risk of the more severe frosts is over.
As a result, depending on the time of year you buy perennials, they may not look like images showing their ‘prime time’ in flower and looking at their best.
From late autumn onwards and dependent on variety, there may be very little visible above the soil except for a few cut back dormant leaves or stems. It is perfectly normal for dormant plants to look like this from autumn onwards, they will however burst back into life in spring.
Availability: Stock availability figures are provided as a guide only. There is a delay between orders being placed and the plants being gathered by our pulling team. During this time it may be possible for a member of the public to purchase these plants from our Garden Centre, while this is rare it is a possibility and we will notify you of any problems as soon as possible. This figure may also include plants that have not yet be flagged as unsaleable.
Pre-order: Pre-order times are given as a guide only and may vary dependent on the growing season. Orders containing Pre-ordered products will be shipped as a single order when all items become available. Large orders may be part shipped, please contact us on 01782 502741 or email sales@jacksonsnurseries.co.uk.
Perennials are described and classified differently by different gardeners but all would agree that they are plants that come into flower every year from early spring to late summer, the exact time dependent on variety and most die back to ground level in autumn and winter.
As for all plants, soil preparation is time well spent. Dig over the area to be planted ensuring that the ground is free draining. If not then you may wish to either consider planting in a different spot or raising the level of the planting area by adding additional topsoil, well rotted garden compost and/or well rotted manure. Add ‘Fish, Blood and Bone’ fertiliser or a high potash fertiliser to encourage good root growth and development.
It’s always a good idea to plant a few of the same plant together, we recommend planting in 3’s or 5’s to provide a bold effect but allowing them plenty of room to develop.
Always check eventual plant heights when planning borders to ensure that the taller plants are at the back (or at the centre of an island bed) followed by the medium and then smaller low growing plants.
Remember to deadhead perennials after flowering, trim back lightly in autumn as required to tidy the border and if necessary trim again in spring once the risk of heavy frost has passed.
If perennials get too big, start to flower less and less or if it seems to be dying off from the centre, consider dividing the plant but always check that the particular variety is happy to be divided and that you divide at the right time of year for the plant.
By using this simple guide and a little time, perennials can make an absolutely spectacular difference to your garden.
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