How do I fill these concrete planters to keep bamboo from escaping?
Tony Laurel
3 months ago
I've got two long concrete planters on my fence line.
Going to fill with Phyllostachys bambusoides (Madake/Japanese Timber Bamboo/Giant Timber Bamboo).
The planters are 30" deep, 18" wide, and 70 feet long in total. (two runs of 35')
Should I put sand at the bottom? Gravel? Some sort of water permeable layer?
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