So we have a holly cultivar that I'm guessing is a Nellie Stevens and the surrounding forests have a good amount of native Ilex opaca. Though rare I have found a few volunteer holly seedlings on our property.
What are the chances that they are crosses? I do see a ton of pollinator activity on the cultivar when its in bloom, but I've never seen many or any berries that i can recall, I even did a thorough check just now and saw zero immature berries (and one empty birds nest, so i guess its not a totally worthless plant).
I really don't want a cross, but there are a few very recently sprouted holly seedlings underneath the cultivar that i would like to grow out. I do s

