Bamboo is a rare crafting material in Animal Crossing: New Horizons. It’s a bit trickier to obtain than other similar items, such as maple leaves, summer shells, and snowflakes, all of which can be picked up or caught in your net as you walk around your island.
🎋 Animal Crossing New Horizons How to Get Bamboo Trees
The 'normal' way to grow bamboo in your settlement is to travel to other, mysterious islands.
Go to the Resident Services building on your island.
Go to the Nook Stop at the bottom right of the room.