Giant thorny bamboo is used for many things, above all for building bridges and ladders, and its leaves are used for thatching.Wikipedia: Bambusa bambos
This source reports two treatments. Both are shown.
Protocol 1
DerivedN. C. Deno, 1998
Difficulty LowRated by us, not by the source.
Start around March 26, 2027 for a May 3 last frost.
1
Sow and cover
Temperature: 70°F 21°C · Light: light
No stated waiting before sowing. Then 10 days to germinate.
85% germination in 8–10 days.
Protocol 2
DerivedN. C. Deno, 1998
Difficulty LowRated by us, not by the source.
Start around February 22, 2027 for a May 3 last frost.
1
Sow and cover
Temperature: 70°F 21°C · Light: dark
No stated waiting before sowing. Then 42 days to germinate.