Bamboos will spread in open ground, even a clumping one. If you are going to plant straight into the ground, put in a bamboo barrier that has to encircle the whole area where you want the bamboo to grow. Overlap and secure the ends or the bamboo will work its way out. The barrier needs to be planted at depth of at least 2 foot, and leave at least 2/3 inches above the ground. Plant the bamboo in good soil with plenty of organic matter such as well rotted manure in the ground, and water well until established.
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Bamboos will spread in open ground, even a clumping one. If you are going to plant straight into the ground, put in a bamboo barrier that has to encircle the whole area where you want the bamboo to grow. Overlap and secure the ends or the bamboo will work its way out. The barrier needs to be planted at depth of at least 2 foot, and leave at least 2/3 inches above the ground. Plant the bamboo in good soil with plenty of organic matter such as well rotted manure in the ground, and water well until established.