![]() ![]() Apply a good handful and work it gently into the top of the soil. If your area suffers cold winters and or high winds then place your Japanese Maples in a cool greenhouse or garage from late December onwards and bring them back into the garden in early Spring.įeed twice a year with a slow release fertiliser such as blood, fish and bone. If that is not possible then move them into a shaded and cool position. ![]() If you plan a holiday in the summer the ideal is to ask your neighbour or friends to water your Japanese maple(s). Even two or three days of warm, sunny weather without watering can do them a lot of harm. The first rule is to try and maintain a constant supply of water in the compost without over-watering. Japanese Maples growing in containers need only minimal care but they do appreciate it frequently. Add some compost into the new container and then transfer the Japanese Maple onto the compost. If the root system is compacted, gently tease out some of the roots from the old compost. Remove the tree from its old container and lightly brush away some of the compost from the root ball and the surface. Add about 4cm (1½in) of smallish stones / broken pot pieces into the base of the container – this will help to ensure good drainage. Previously been used then scrub it clean of all the old soil residue. John Innes sell their own ericaceous mix which is an ideal choice especially if about 20% of sharp (not builders) sand is mixed in. Another solution is to use a loam based compost which is slightly acidic. ![]() Japanese Maples prefer a slightly acidic soil so potting compost for Rhododendrons, Azaleas or ericaceous plants is suitable. First select a new container as described above. The best time of year to re-plant a Japanese Maple tree is in late winter to early spring. When you buy your Japanese Maple tree it may require immediate re-planting or after several years it may outgrow the existing container. WHEN AND HOW TO RE-POT A JAPANESE MAPLE TREE However, as an example a 30cm (1ft) square pot supports our 140cm high Japanese Maple very well. Simply looking at the pot size in relationship to the tree size is normally enough to allow selection of the correct size of container. The size of pot should be appropriate for the size of the tree. All containers should have adequate drainage holes in the base. Avoid bulbous, rounded pots because when the time does come for re-potting the only way to remove your Japanese Maple will be by breaking the container. Most Japanese Maple trees are sold in pots which can be used for five years or so before the tree needs to be re-potted. They also have the problem that they do not allow the easy transfer of air between the soil and the outside. Plastic and metal pots are best avoided because they blow over to easily.
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