This was from last year’s method, prior to fabric containers.
They are just cheap $1 baskets without solid bottoms (important)
lined with barrier fabric (also $1 bargain).
The center round basket holds a 2 gallon fabric pot and allows
moving it without disturbing the rootball and is what I’m using now.
If I want to transplant, once removed from plastic container the roots
are trained into a cone shape and the fabric comes away easily.
The baskets are also nice for tie downs (fabric gets velcro).