Bamboo/BS

Java Edition:
Bamboo

Name	Default value	Allowed values	Description
age	0	0 1	The age of the bamboo, if this is 1 the bamboo appears thicker.
leaves	none	large none small	The size of the leaves on this bamboo block.
stage	0	0 1	The stage is incremented at random intervals. At stage 1, bamboo may try to grow more bamboo above it.

Bedrock Edition:
Bamboo

Name	Default value	Allowed values	Description
age_bit	0	0 1	The stage is incremented at random intervals. At stage 1, bamboo may try to grow more bamboo above it.
bamboo_leaf_size	no_leaves	large_leaves no_leaves small_leaves	The size of the leaves on this bamboo block.
bamboo_stalk_thickness	thin	thick thin	The age of the bamboo, if this is 1 the bamboo appears thicker.

Bamboo Sapling

Name	Default value	Allowed values	Description
age_bit	false	false true	Specifies the sapling's growth stage.
sapling_type	oak	acacia birch dark_oak jungle oak spruce	Unused.