If you want to cut back your bamboo hedge because of space problems or other reasons, you can do this in May. A bamboo does not need a lot, except for nutrients and water. For sufficient nutrients you should supply bark mulch and horn shavings in spring. Water the soil constantly, even in winter months, when there is a warm phase and the ground is frost-free. Besides, you do not have to worry about winter – umbrella bamboos are frost-resistant.
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