Colour in successive chapters
Deep purple and aubergine hold through the warm season before turning brilliant crimson and red in autumn.
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“Just a little colour”, it said… then burgundy appeared everywhere 🙃
Family: Sapindaceae · Pot diameter: 19 cm · Height: approx. 50–60 cm
Acer palmatum ‘Inaba-shidare’® clothes its arching branches in deep purple lace, creating a crown that flows in overlapping layers. The finely cut leaves retain rich dark tones through summer, while openings between them reveal the elegant branching. Its charm lies in this meeting of strong colour and airy texture. With autumn, purple gives way to bright crimson and red, as though the whole cascade were lit from within.
Its vigorous cascading form acts as a natural sculpture on a border edge, above low planting or in a wide outdoor pot. The crown flows around the trunk and softens stone, steps and modern rigid lines with a rich collectable presence.
The cultivar ‘Inaba-shidare’ holds the RHS Recommended: Award of Garden Merit (1993), an internationally recognised distinction for dependable garden performance.
Three substantial qualities explain why ‘Inaba-shidare’ stands out both in close detail and in its overall presence.
Deep purple and aubergine hold through the warm season before turning brilliant crimson and red in autumn.
Exceptionally deep divisions give the foliage an airy lace-like texture even when the palette is very dark.
Vigorous arching branches build a broad layered crown that flows naturally outwards and down.
Why you will love it: A rich purple cascade that becomes a luminous crimson scene in autumn.
Use it as a focal point near an entrance, sheltered seating area or in the middle layer of a cool mixed planting. At maturity, it develops a vigorous arching crown with a cascading habit and benefits from a calm background and sufficient open space to retain its natural architecture.
For several plants retaining a free natural crown, allow centre-to-centre spacing close to the indicative mature spread of 1.5–2.5 m. In a pot choose a stable base, free drainage and a position where the roots are protected from overheating.
The deep purple palette and vivid red autumn colour of ‘Inaba-shidare’ become clearer beside golden arcs, white margins and coppery ferns. All three choices suit bright partial shade and organic soil with even moisture and good drainage, creating clean layers around the Acer’s natural form.
Bright partial shade or gentle morning sun, sheltered from fierce afternoon sun and drying winds.
Water thoroughly when the upper layer begins to dry, maintaining even moisture without waterlogging; check pots more frequently in hot weather.
Deciduous and hardy in winter cold; fresh growth benefits from shelter against late frost, hot dry air and extreme summer exposure.
An ornamental plant, not food. It is not intended for consumption; place it away from children or animals that tend to chew plant material.
Bright partial shade or gentle morning sun, sheltered from fierce afternoon sun and drying winds.
Plant in fertile, organic, acid to neutral soil that retains moisture yet drains freely. Keep the root collar level with the surrounding soil and allow the natural crown the space indicated by its mature habit.
Use a roomy, stable outdoor pot with unobstructed drainage holes and a structured growing medium that resists compaction. It can grow for years in a large outdoor pot with free drainage and even moisture. As it matures towards 1.5–2.5 m × 1.5–2.5 m, check available root space periodically and move to a larger pot when required.
Water thoroughly when the upper layer begins to dry, maintaining even moisture without waterlogging; check pots more frequently in hot weather. An organic mulch helps buffer sudden changes in moisture and temperature.
A light application of balanced fertiliser in early spring is usually sufficient. Avoid excessive nitrogen and late feeding, which encourage soft new growth.
Pruning is rarely necessary. Remove only dead, damaged or awkwardly crossing branches after leaf fall and before midwinter. A bare crown in winter is entirely normal.
After planting, new growth may be restrained while the root system settles. Even moisture and a sheltered microclimate matter more than rapid extension.
As the main shoots branch, the plant gradually develops a vigorous arching crown with a cascading habit. Its natural line is most attractive when it is not clipped into a rigid shape.
With maturity it repeats its distinctive colour cycle each year: deep purple from spring through summer and brilliant crimson-red in autumn, followed by natural leaf fall.
Strong lateral branches spread into looser, cascading tips.
The leaves fall naturally in autumn. Winter reveals the woody framework that will support new growth the following spring.
What to expect after planting: In a suitable position in open ground, the mature form reaches approximately 1.5–2.5 m in height and 1.5–2.5 m in spread over 20–50 years. Growth usually remains more restrained in a pot.
‘Inaba-shidare’ belongs to the older Japanese laceleaf selections and was already known in Japan in 1882. Its history therefore begins long before that of many modern cultivars now found in gardens.
Its Japanese name evokes the hanging leaf of a rice plant, an image that suits its narrow foliage segments and curving branches. Deep summer colour and a bright autumn change remain defining features of the selection.
The Award of Garden Merit followed in 1993, more than a century after its early presence in Japanese cultivation.
In the Dissectum Group, the main lobes reach almost to the leaf base and divide again into finely toothed segments; this secondary division creates the characteristic lace-like texture.
The small spring flowers can produce pairs of winged samaras. Botanically, the pair forms a schizocarp that separates into two parts, each with its own wing. The samaras mature towards autumn and may turn red.
Six practical answers covering light, seasonal colour, pots, mature size, pruning and winter leaf fall.
Bright partial shade or gentle morning sun, sheltered from fierce afternoon sun and drying winds. A sheltered microclimate matters just as much as the number of hours of light.
Yes, it usually retains rich purple tones through summer. Their depth varies with light and temperature; in autumn the foliage brightens to crimson and red.
It can grow for years in a large outdoor pot with free drainage and even moisture. As it matures towards 1.5–2.5 m × 1.5–2.5 m, check available root space periodically and move to a larger pot when required.
In a suitable position in open ground it reaches approximately 1.5–2.5 m in height and 1.5–2.5 m in spread over 20–50 years. Microclimate and available root space influence the rate.
Usually not; its natural architecture is central to its beauty. If cleaning is needed, work after leaf fall and before midwinter, removing only what is necessary.
Yes. It is deciduous and sheds its leaves in autumn after completing its colour cycle. Fresh growth returns in spring.