Roy Klehm, from Klehm Nursery
in Illinois, spoke about magnolias at Iowa Arboretum last week. He brought with him a lot of young trees in containers, and I couldn't resist, so I went home with two cultivars, 'Spring Royalty' (deep purple flowers), and 'Butterflies' (yellow--real yellow--flowers) and a limp credit card.
Here's 'Butterflies' safely in the ground, with cardboard (slit to a small opening for the trunk) to smother all competition. Next, mulch. I'll post photos of the whole process of planting soon and come back here to leave a link. You'll see some surprising tricks for roots that have been in a container a bit too long.
Okay, here's the link