I live in the Czech Republic and cycads grow about 15 years.
Most Encephalartos directly imported from SA.
You will find some interesting reading to grow here in Europe
Unfortunately, I do not know France and even my English is not too good
Here some photos from the collection




Lehmannii
Ngoyanus

Cupidus

Alti x trispi
Princeps
Msinganus

Horridus

Hildebrandtii

All larger and more stable from April to September are grown outdoors
Only small seedlings in the greenhouse are.


Josef
que la force du palmier soit avec toi 







