Hey there...Well..🙂.. It started beautifully then got pinched by a frost this time last year.. I have since replaced it with a Yuzu (Japanese Citrus) which seems to have established well over the year and should have better frost tolerance. I can take from it that the method of mixing a good base seems to work well though. As the black clay here has massive movement from wet to dry that can shear roots I hope that well of mixed goodness will allow the tree to establish but time will tell!! cheers for the comment, grow well 👍