Further information regarding Japanese maple question no.4 has been received (re-printed below) and I’ll clarify all the points raised.
I think this was the second summer that I had the trees. I put them in these …

Japanese maple question: What is killing my Japanese Maple? The leaves started dying this summer, half were withered up and the other half remained healthy. I thought maybe the problem was abating, but now most …

Although aphid damage to a Japanese maple occurs in spring, as seen on the example of Taiyo nishiki here, the origins of any attack occur in late summer/early autumn. Generally, if they are noticed at …

Potting mixes for a Japanese maple can use a wide range of materials but they must have one essential attribute – good drainage. Peat based potting mixes, of the type that’s commomly available in …

Japanese maple question: I am about to plant a standard Acer palmatum Dissectum, pot grown until now. It will be next to separate planting areas for green Bamboo and French Lavender – the contrast looks …

Japanese maple question: I have an inherited collection of Japanese maples. They vary in age (7 – 20 years) and type and I have been told that they have all been re-potted (3 – 5 …

Growing a potted Japanese maple in a hot climate raises problems over and above that caused by the potential stress of a hot summer. As I mentioned in leaf scorch on a Japanese maple, raising …

Leaf scorch on a Japanese maple is caused by a number of factors, most of which are easily rectified. The signs usually start to appear in late spring or early summer as temperatures rise and, …

Powdery mildew on a Japanese maple doesn’t happen by chance and is usually indicative of the plant experiencing moisture stress. This is normally caused by a number of factors such as over or under-watering, with …

Suitable garden soils for a Japanese maple range from pure peat to chalk, limestone, heavy clay and everything in between. As I explain here, the alkalinity or otherwise of the soil is not the determining …