score:4
The import of plants or plant parts into the European Union may be restricted or prohibited if listed as:
None of this applies to yerba mate, Ilex paraguariensis. Plants for which no restrictions apply do not have to be declared, unless the total value of imported goods exceeds duty and tax free allowances.
Upvote:2
You may be subject to an inspection an questioning, due to suspicions.
Provided to you:
You should expect a possible bag search, even them analysing it. Also bear in mind of recent drug stories in France like this one, so a delay of an hour should not surprise you.