|Watering of Bamboo|
First and foremost, keep your bamboo well watered. Bamboo likes plenty of deep watering - soaking down to at least 8-12 inches - and also good drainage. If you are keeping your plants in containers, or unable to transplant for a while, make sure the water is running out of the bottom of the pot each time you water. With ground plantings, a deep soaking less frequently is best, rather than a shallow watering every day. Then wait until the soil is just slightly damp - not wet, and not bone dry - before watering again. After the first few months, you can usually depend on a spray emitter irrigation system, using 2 to 4 high volume emitters per plant. (We do not recommend "drip" systems, as they do not emit a large enough volume of water and do not cover an area widely).
You will need to keep a close eye on your bamboo for a while to determine how much and how often to water in your particular microclimate, soil type and season. Occasionally, check moisture in the ground by digging down to a depth of at least 4 inches. If the soil is dry at 4 inches, water is not getting to the roots adequately. This is especially important during the first 2-3 months after transplanting. Also, as a rule of thumb, if the leaves are curling sideways (lengthwise) this means your bamboo is stressed and not getting enough water. If the leaves are drooping downward, your bamboo might be getting too much water and/or not enough drainage.
Also, in full sun, dry, windy or hot situations, it is ideal to spray the foliage with water once a day for an initial transition period of 2-4 weeks, and/or all summer in dry, hot climates. Regular overhead watering will reduce the amount of leaf drop during the transition, help your bamboo get established quickly, and increase its growth rate and ultimate height in dry climates.
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