Dark purple with transparency
Deep colour does not form a flat mass because the fine divisions allow light to pass between the lobes.
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Dark, mysterious and dangerously attractive 🖤
Family: Sapindaceae · Pot diameter: 19 cm · Height: approx. 45–55 cm
Acer palmatum ‘Jww2’ Black Lace® forms an upright crown of deep purple leaves that can appear almost black in certain light. Five narrow, pointed lobes are separated by deep cuts, allowing glimpses of the fine branching between them. The dark foliage therefore retains an airy quality instead of becoming a solid mass. Bronze-green tones may develop towards late summer, followed by vivid orange and red before autumn leaf fall.
Unlike cascading laceleaf cultivars, its own form is small, upright and relatively narrow. This makes it especially useful near an entrance, in a sheltered courtyard or as a vertical dark accent among brighter foliage.
‘Black Lace’ builds its character through three separate elements: colour, texture and upright architecture.
Deep colour does not form a flat mass because the fine divisions allow light to pass between the lobes.
Feathery leaves divide deeply, creating a fine graphic texture very different from broad solid foliage.
The crown rises cleanly and remains markedly narrower than its height, offering strong contrast within limited width.
Why you will love it: It brings the dramatic palette of a dark Acer into an elegant upright form with exceptionally detailed foliage.
Place beside brighter, lower foliage with clearance from walls. Its upright growth provides contrast without the same broad base required by a weeping maple.
Brighten the base of the narrow purple crown with golden grass, cream margins and pale fern fronds. Keep the contrast low so the tree’s upright form remains distinct. Bright partial shade and humus-rich, well-drained soil with even moisture suit the combination.
Bright partial shade or morning sun; gentle light supports the dark colour, with shelter 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; gentle light supports the dark colour, with shelter 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. Its narrow upright habit can perform for years in a large outdoor pot, with free drainage, even moisture and periodic root-ball checks.
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. During hard frost, protect the pot as well, as roots in pots are more exposed to cold than roots in the ground.
The young crown may be open, with a few long upright shoots. Deep purple foliage appears before the branching reaches its eventual density.
Main branches continue chiefly upwards, adding smaller lateral branches. ‘Black Lace’ does not develop into a low weeping Dissectum maple.
With maturity it repeats its distinctive colour cycle each year: dark red-purple, bronze notes in late summer and bright orange-red autumn colour, followed by natural leaf fall.
Branches follow a mainly upward course, supporting a relatively narrow crown. Deep cuts in the purple leaves allow the inner framework to remain visible.
Deep purple may acquire bronze-green touches in late summer. After orange-red autumn colour, the bare, mainly upright framework remains.
Mature scale: 2.5–4 m high and 1–1.5 m wide. Eventual growth depends on soil, microclimate and available space.
‘Black Lace’ was found and introduced by Jan Willem Wezelenburg in the Netherlands. The selection combined deeply cut, dark purple foliage with an upright habit.
The selection was named ‘Jww2’ and became known in the trade as Black Lace. It belongs to the horticultural Matsumurae Group; its lace-like appearance should not be confused with the weeping habit of many other finely leaved maples.
Cuts extend roughly three quarters of the way towards the leaf base, leaving narrow lobes with coarsely toothed margins. In Dissectum maples, the lobes themselves are further divided into very fine segments; this anatomical distinction matters more than the word ‘Lace’ in a trade name.
Six practical answers covering light, seasonal colour, pots, mature size, pruning and winter leaf fall.
Bright partial shade or morning sun; gentle light supports the dark colour, with shelter from fierce afternoon sun and drying winds. A sheltered microclimate matters just as much as the number of hours of light.
Leaves begin dark red-purple, may take on bronze or green notes by late summer and become orange and red in autumn.
Yes. Its narrow upright habit can perform for years in a large outdoor pot, with free drainage, even moisture and periodic root-ball checks.
In a suitable position in open ground it reaches approximately 2.5–4 m in height and 1–1.5 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. Purple colour belongs to the leaves, which fall after their autumn change. Winter leaves an upright woody framework, not a permanent screen of dark foliage.