Aphids also excrete a sticky honeydew which encourages black mould to grow which looks pretty revolting. The main pests that attack Japanese maple trees (in the UK) are Aphids and Vine Weevils.Īphids weaken Acer trees, curl and distort the leaves and eventually stunt the tree’s growth. I reduce the dose to 7.5ml (0.25 fluid oz, Half spoon) in 4.5 litres (152 fluid oz) every two weeks. For example, if the instructions say: Mix 15ml (0.5 fluid oz, Large spoon) in 4.5 litres (152 fluid oz) of water every two weeks. In early spring and late summer, I mix half the recommended dose. This means the mix is a little strong during the early and late part of the season. The dosage the manufacturer recommends is an average for the whole growing season. It is ALWAYS better to underfeed plants than overfeed.
Have you ever come back from the pub drunk and taken a waz on your front lawn? Look around any camping site and you will see what I mean, dead patches of grass from over fertilizing.
#Japanese maple tree how to
See the Clay Soil section in our post “ How to Start a Garden Bed, and Pick Suitable Plants“ To aid drainage in the ground, especially where Acers are planted in heavy clay soil, add sharp sand and compost to the soil when planting. Check the drainage holes are clear in containers. Stop pouring when the water comes through the drainage holes. Water your Acer often in dry periods, especially if it is in a container. A high amount of foliage will cause “shade out,” because a lack of daylight will damage inner branches.Morning shade and late afternoon sun is not as good but tolerable. Acers prefer morning sun and afternoon shade, overheating or too much shade will cause damage. Afterwards, clean the blade of your knife and pruners so as not to spread any possible infection.If the tips of branches have turned black, then prune them back to half an inch (1cm) above a healthy bud or branch.Start at the top, then check the middle and bottom of the branch, use your pruners and cut out the the deadwood back to the greenwood. If you can see any green tissue, the branch or part of it is still alive. Take a clean knife, or even use your thumbnail to scratch a little of the bark.Before doing anything drastic first make sure the branch has completely died as there is a chance that it might recover.It is quite normal for the odd branch on an Acer tree to lose its leaves during the growing season. Plant Bamboo at least 4ft (1.25m) from your Japanese Maple and restrict its spread by planting in a container or within a polythene liner.Leaf scorch due to being in an expose position One way to do this is to grow large sun loving plants such as Bamboo nearby to give it some shade or shelter from the wind, while keeping a Japanese oriental theme to your garden.If you cannot relocate your Japanese Maple, then you must shelter it from the wind or the sun.Moving a potted acer is easy, however moving a mature Japanese maple is out of the question for risk of damaging it.The same goes if your Japanese maple is in a windy position, then move it to a more sheltered position.
#Japanese maple tree full
There are in general two reasons that this happens.Īcer trees prefer morning sun and afternoon shade, or they will tolerate morning shade and afternoon sun. Maple leaves that are brown on the ends are in effect be “scorched”. You can purchase garden fleece from Amazon by using the clickable image below: 2.
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