![]() ![]() Japanese maple trees lose their leaves as they are deciduous trees. Thorough preparation is the best precaution – dig over the area to be planted to open the soil and allow good drainage.' Do Japanese maple trees lose their leaves? 'Fungus diseases may attack the roots but this is most likely to happen when poor drainage leads to soil that stays too wet for too long. The soft new spring growth is the most vulnerable. 'Young trees, in particular, may be attacked by aphids and it pays to deal with them promptly using an organic insecticide as a bad infestation can limit the growth of newly planted specimens. 'Maples can be troubled by a number of pests and diseases but they rarely pose serious problems,' says Graham. (Image credit: Clare Gainey / Alamy Stock Photo) Solving problems with Japanese maples Pruning Japanese maples isn't essential as they have a beautiful, natural shape – but if yours becomes overgrown, it's best to trim it in winter. This will provide insulation to prevent the roots from freezing. In very cold winters, the trees will benefit from the pots being wrapped with bubble wrap. If growing Japanese maple trees in pots, feed them every spring with slow-release fertilizer, and keep the soil moist but not overly wet. From the second year, feed with a rhododendron feed if growth is slow.' ![]() 'If the site was prepared well, fertilizing will not usually be necessary in the first year, in fact, over-feeding can be a risk. 'Newly planted maples are at their most vulnerable in the stage between planting and their new roots becoming established. 'Newly planted maples may need irrigation in their first year or two to prevent drying out in the summer months, and in some seasons watering every week may be necessary,' he continues. Avoid piling it up immediately around the trunk, which can cause it to rot. Then, continue to do this every other year. ' Mulch immediately after planting with bark chips or other weed-free mulch to prevent weed growth and help retain moisture,' says Graham. Japanese maples are generally easy-care trees, but there are a few things you can do to keep them looking their best. Acer palmatum is native to Japan, China, and Korea.(Image credit: ian west / Alamy Stock Photo) Japanese maple trees care.Propagate by grafting or softwood cuttings.May be affected by horse chestnut scale, aphids, verticillium wilt.Fertilize in spring before the leaves emerge. If pruning is necessary, prune during the dormant season and avoid pruning in spring when the sap is running. Low maintenance, this plant needs little pruning.Perfect as a specimen plant in cottage gardens, city gardens, or patio containers.Leaf scorch can be caused by a lack of soil moisture or excessive exposure. Best leaf color in partial shade, although full sun can be tolerated. Mulch helps retain soil moisture and keep roots cool. A full sun or part shade lover, this plant is easily grown in moist, organically rich, slightly acidic, well-drained soils.Relatively vigorous, this red Japanese Maple is a striking ornamental with beautiful foliage. Small attractive purple flowers appear in spring and are followed by winged red fruits in autumn. Emerging pinkish-red in spring, the palmately lobed leaves gradually darken to green heavily flushed with dark red in summer before turning purple-red in fall. Aptly named, Acer palmatum 'Fireglow' (Japanese Maple) is a large, upright, bushy, deciduous shrub.
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