Don’t think you can plant trees in containers? These birch trees are placed in large containers, and because the root ball is kept from growing outward, the whole tree remains smaller and more manageable.
need for 2015 Dianthus 'Firewitch'. Blue-gray grass-like foliage. Highly fragrant hot pink blooms in June. Best planted in a grouping of 5 or more as it's a small plant. Foliage provides interest beyond blooming. Good front-of-the border plant.