California has laws against bringing in agricultural products. Almost no one else does. Sometimes when visiting a foreign country, different rules apply. If it's packed in your suitcase, the point is moot. I'm not including any soil, just the plant. Right now I'm looking at a coffee can, and a box from tea bags, both of which make good travel containers. More boxes in my garage.
All of these plants are extremely sturdy. And I'm good at packing