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Acer palmatum 'Seiryu' Tree

Japanese Maple Trees
  • Now From £24.99 (ex VAT)
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This lovely, green, dissected leafed Japanese Maple tree makes for a colourful splash in the garden. The lacy foliage is a bright, lime green throughout the spring and mid green in the summer, sometimes with a red tinge, before turning gold and red in the autumn. Acer palmatum dissectum 'Seiryu' is an unusual variety, as it is the only green dissected Japanese Maple tree with an upright growth habit, rather than the usual domed or weeping forms. Acer Seiryu has a striking vase shape which broadens slightly to a rounder form with age, eventually reaching a height and spread of 4 x 4 metres in 20 years.

This dissected Acer tree is best positioned in a moist, well-drained soil in slight shade although it is tolerant of full sun. Acer palmatum 'Seiryu' makes a fantastic large shrub or small garden tree that offers an attractive, light canopy throughout the spring, summer and autumn.

AKA Seiryu Japanese Maple shrub, Acer palmatum dissectum Seiryu, Acer palmatum dissectum, Acer palmatum Seiryu

  • Common name: Japanese Maple Seiryu
  • Awards: RHS Award of Garden Merit
  • Height and spread in 20 years: 4 x 4 metres
  • Seasons of interest: Spring, Summer, Autumn
  • Foliage: Foliage is lime green in spring, turning a darker shade in the summer before displaying red and gold tones in the autumn
  • Soil: Suited to all but does particularly well in moist, well-drained soils

Planting Advice For Acer palmatum 'Seiryu' Trees

Pot grown Seiryu Japanese Maples can be planted at any time of the year. Firstly, remove all weeds and grass within a metre of your desired planting hole then dig a square hole as deep as your root mass and approximately 2x as wide. To help your tree establish more effectively, we advise sprinkling root grow in the hole, especially if you have poor soil.

When planting Japanese Maples, use ericaceous compost when possible as this encourages vibrant foliage colour. Using 50% of the original soil and 50% compost, fill in the hole and firm around gently. Make sure not to bank the soil up around the collar of the tree as this can cause problems.

The tree planting guide has further information and videos.

Watering & Aftercare Advice For Acer palmatum 'Seiryu' Trees

If you’re planting in spring or summer, water well and regularly for the first few months. If you’re planting in autumn, you may only need to water your tree a little. It is important to keep an eye on young trees and increase watering if there are extended periods of hot or dry weather. If possible, use rain water instead of tap water as this is more acidic and better for foliage colour. We stock a range of irrigation kits for more effective watering.

Once planted, keep the area free of competing weeds and grass for the first couple of growing seasons. If there is snow fall, gently brush the snow from the branches to ensure it does not weigh down the framework and cause damage.

Pruning Advice For Acer palmatum 'Seiryu' Trees

Pruning should be carried out in the dormant season (November to March) as Japanese Maples bleed during other times of the year, which can weaken the branches. Japanese Maples rarely need pruning as their natural shape is normally the most attractive. Any pruning should be carried out with a less is more approach, only removing crossing, damaged or diseased branches.

Delivery Timescales

Most deliveries are made within a week of placing the order. All trees are carefully packed by our experienced team, with many despatched to our tried and tested couriers within 24 hours (please allow up to 10 days). There's no need to be in to receive your trees and you can request where they are left via the checkout.

There is a slightly longer timescale on pleached and mature trees (trees over 2.5m in height) because we group orders together by geographic area for specialist delivery - we will contact these customers to notify them of the delivery date and whether the delivery driver needs assistance.

Gift trees and those required by a specific date can be accommodated with pleasure, although we accept no legal responsibility for late deliveries.

Our nursery is a busy despatch centre, so please make an appointment to collect or view trees.  For collections, despatch charges will be refunded.

Delivery Costs

1 small tree (most trees with a height under 1.5 metres) : £7.95 + vat

1 medium tree (most trees 1.5-2 metres in height) or 2-4 small trees: £9.95 + vat

2+ medium trees or 5+ small trees: £12.95 + vat

1-4 large trees (trees too large to fit in a box): £19.95 + vat

Mature, pleached or 5+ large trees: Cost is calculated in the checkout process and varies by postcode. You can buy additional trees with no increase in delivery cost.

The above prices exclude the Scottish Highlands, where delivery starts from £24.95 + vat and is calculated in the checkout process.

Northern Ireland, Channel Islands and Non Mainland UK

Our courier charges are not viable for just one or two trees, but if you have a larger requirement then please do speak to us to see if we can find a solution.

Below are definitions of various forms, which refer to the shape of the tree defined by the pruning it has received. For more advice, please contact us.

Single Stem / Pruned and shaped: Classic shaped tree with a single stem that has had pruning to help create a beautiful, natural shape.

Top grafted: A height noted next to this form refers to the length of clear stem, which will not grow taller. Only the head of branches will develop. Top grafted trees do not require complicated pruning and are ideal for small spaces.

Multi Stem: A multi stem tree is has two or more stems arising from or near ground level, growing from one root system. Take care to buy a true multi-stem like all ours and not those that are 3 saplings in a pot to cheaply imitate them.

Feathered: A feathered tree has branches from the bottom of the trunk all the way up. These branches can be removed if a clear stem is required.

Bush: A plant with many stems low down, rather than one clear stem.

Climber: A plant that is a natural climber and will be delivered usually running up a bamboo cane, ready to position in the garden.

Standard Tree: A more mature tree with an upright clear stem of approximately 1.8m-2.0m (measured from the soil to the lowest branch), which supports a branched crown. Standards are available in different forms relating to their girth size (circumference of the stem measured 1m above soil level), not height.

Standard  either 6-10cm or 8-10cm girth, approximately 2.5-3.0m in height
Premium Standard  10-12cm girth, approximately 3.0-3.5m in height
Heavy Standard  12-14cm girth, approximately 3.5-4.5m in height
Extra Heavy Standard 14-16cm girth approximately 4.0-6m in height

The table below gives sizes and forms available for this variety, along with photos you can enlarge (these are only a guideline as all plants are unique so vary).

Plant Specification Form Supplied Size Root typePrice Quantity Qty
Acer Palmatum Dissectum Seiryu Form: Bush Supplied Size: 50-70cm Root type: 3L pot Acer Palmatum Dissectum Seiryu Price £24.99 (ex VAT) Was £29.99 (ex VAT)
Bush 50-70cm 3L pot £24.99 (ex VAT) Was £29.99 (ex VAT)
1
Acer Palmatum Dissectum Seiryu Form: Bush Supplied Size: 50-70cm Root type: 9L pot Acer Palmatum Dissectum Seiryu Price £49.99 (ex VAT)
Bush 50-70cm 9L pot £49.99 (ex VAT)
1
Total: £0.00 (VAT Free)
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