What is the best way to promote rooting when transplanting a large tree in a clay based soil?
How old are your trees? If they are still young you will have an okay time doing so, but if not then it’s not worth the time and effort because you will more than likely kill them. Dig around the roots. Fully. Don’t try to cut them at all. You don’t have to move soil. If you manage to do this sucessfully you still have a task ahead of you. You will need to dig the hole twice the width of the root ball and twice the depth. Clay with alot of moisture is kind of an oxymoron. Clay is the least healthy soil for your tree. When you dig it up, bag it and throw it in the dumpster. If you put it back, you will give your stressed tree root rot. Get some starter fertilizer for trees. you will also need garden soil that is designed for trees. Mix some peat moss in with the garden soil because it promotes the retention of moisture, which you will need since it is surrounded by clay. You may even want to use a little bit of composted manure. This will promote the growth of beneficial bacteria. After
