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Lacy elegance that ripples in the slightest breeze 🪶
Family: Sapindaceae · Pot diameter: 10.5 cm · Height: approx. 25 cm
Acer palmatum ‘Emerald Lace’ creates an airy green filigree that moves in the slightest breeze. Deeply divided, feathery leaves spread across arching branches, forming a luminous flowing surface with exceptional depth and detail. In autumn, this graceful green presence becomes a rich palette of red and orange, delivering a striking finale to the season.
Its vigorous mound-forming habit softens hard lines and brings movement to sheltered courtyards, borders and large outdoor pots. It is equally compelling as a low focal point or as a light visual bridge between stone, timber and foliage with a more solid texture.
The cultivar ‘Emerald Lace’ holds the RHS Recommended: Award of Garden Merit (2012), an internationally recognised distinction for dependable garden performance.
‘Emerald Lace’ stands out through three genuinely different qualities, from the detail of each leaf to its mature outline.
Deep divisions separate the leaves into very fine lobes, giving the crown an exceptionally light, feathery texture.
Branches spread and arch naturally, forming a mounded outline that appears to flow over its base.
Clear green moves into red, orange and deeper burgundy shades before natural leaf fall.
Why you will love it: It brings together the delicacy of lace, the presence of a generous mature crown and a spectacular autumn transformation.
Give it a position as a low, broad focal point beside seating, in a stone courtyard or in the front-to-middle layer of a cool mixed planting. The mature mounded crown becomes as broad as it is tall, so clear space around it is essential.
For several plants retaining a free natural form, allow approximately 2.5–4 m from centre to centre, following the verified mature spread. Growth remains more restrained in a pot, but long-term stability and free drainage are essential.
The cool green with an explosive red autumn palette of ‘Emerald Lace’ becomes clearer beside dark rounded leaves, golden arcs 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 morning sun; protect the exceptionally fine foliage 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 morning sun; protect the exceptionally fine foliage 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 live for many years in a large, broad outdoor pot. Because it is vigorous and mound-forming, it needs periodic root checks and ample space around the crown.
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, mound-forming crown with arched branches. 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: bright green from spring through summer and red-orange in autumn, followed by natural leaf fall.
Indicative natural silhouette; verified mature dimensions 2.5–4 m high × 2.5–4 m wide.
The crown is naturally bare in winter. Colour intensity and timing vary with light, temperature and microclimate.
What to expect after planting: In a suitable position in open ground, the mature form reaches approximately 2.5–4 m in height and 2.5–4 m in spread over 10–20 years. Growth usually remains more restrained in a pot.
‘Emerald Lace’ arose as a chance seedling found by David Sabo near Charlotte, North Carolina. Sabo retained and grew the young plant because its finely divided green foliage stood apart from the surrounding seedlings.
The selection entered the nursery trade through Del Loucks, who helped establish it as a distinct green cultivar within the Dissectum group.
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 exact cultivar ‘Emerald Lace’ is included in the current RHS Recommended: Award of Garden Merit register.
Six practical answers covering light, seasonal colour, pots, mature size, pruning and winter leaf fall.
Bright partial shade or morning sun; protect the exceptionally fine foliage from fierce afternoon sun and drying winds. A sheltered microclimate matters just as much as the number of hours of light.
The natural transition begins in bright green and peaks in red and orange during autumn. Timing and intensity vary with light, temperature and microclimate.
It can live for many years in a large, broad outdoor pot. Because it is vigorous and mound-forming, it needs periodic root checks and ample space around the crown.
In a suitable position in open ground it reaches approximately 2.5–4 m in height and 2.5–4 m in spread over 10–20 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.
