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Unconditional Satisfaction GuaranteeNo Shipping Fees Above 302 Months to Decide. Returns Simplified.Acer palmatum Seiryu is a remarkable and distinctive Japanese maple, celebrated for being the only upright-growing lace-leaf (dissectum) variety, combining the finely cut, delicate foliage typical of weeping maples with an elegant, vertical habit. The name Seiryu means blue-green dragon in Japanese, reflecting the graceful, airy appearance of its foliage.
Foliage: The deeply divided, lace-like leaves emerge a bright light green in spring, edged with soft reddish tones. Through summer, they hold a fresh mid-green, before transforming into a dazzling mix of fiery crimson, orange and yellow in autumn, creating one of the most impressive seasonal displays of any maple.
Habit: Unlike typical dissectum maples which form cascading domes, Seiryu grows into an upright, multi-branched small tree, developing a striking vase-shaped form that typically reaches 46 metres high with a spread of about 2.53.5 metres over many years.
Bark: Smooth greyish branches add gentle winter structure, showcasing the trees fine branching pattern once the leaves fall.
Because of its unique combination of finely cut foliage and upright growth, Seiryu stands out both as a specimen tree and in mixed borders, offering an elegant focal point through all seasons.
Prefers partial shade or dappled sunlight, which protects the delicate leaves from scorching.
More tolerant of sun than many lace-leaf varieties, but in very hot sites, its best with some afternoon shade.
Plant in a sheltered position, out of strong winds which can tear the fine leaves and cause browning.
Likes soil to be consistently moist but well-drained.
Water thoroughly during dry spells, particularly when young or in containers.
A mulch of compost or bark in spring helps conserve moisture and protect shallow roots.
Prefers slightly acidic to neutral, fertile, humus-rich soil.
Avoid very alkaline or heavy clay soils. If needed, plant in raised beds or large containers using ericaceous compost mixed with grit to improve drainage.
Feed lightly in spring with a balanced slow-release fertiliser or an acer-specific feed.
Avoid high-nitrogen fertilisers which encourage soft growth prone to wind and frost damage.
Requires minimal pruning.
Remove dead, damaged or crossing branches in late autumn or winter when dormant.
Avoid hard pruning which disrupts its graceful, airy shape.
Generally very healthy and low maintenance.
May occasionally attract aphids on new shoots.
Leaf scorch (brown tips or edges) is usually caused by drought, strong wind or excessive sun rather than disease.
Well-suited to large pots, making it ideal for patios or courtyards where soil is unsuitable.
Use ericaceous compost with added grit, ensure containers drain freely and are raised on feet.
Water consistently and protect container roots in harsh winters by wrapping or moving to a sheltered spot.
