Sort:  

Prolific little buggers if you let em go in an old chicken yard or sheep pen! These will eventually end up in sheep poo composted soil so they can hopefully blow up.

My friend has his near the downside hill of a chicken pen and the bush is now as big as my house!

Growing up in California the same variety of Elderberry that are native here in Washington would get up to 40 feet across the massive growth. Mine may just do that themselves with so many nutrients.