Cupressus x leylandii?

Ditto to Leyland Cypress Cupressus x leylandii

Resin

Thanks a lot. Any chance to get viable seeds? I read everywhere that it is supposed to be sterile, but then I found this article, claiming the opposite.
Any direct experience about that? I'll give a try, it will be fun!
When is the right stage to pick up cones? Should I wait till they start to crack and open?

Alberto

Here is a link that might be useful: fertility of leylandii

Viable seeds are known, but very rare. A better chance of them if there's several different clones planted fairly close for pollination.

Resin