What to use to amend soil to plant schefflera trinette
Certified GKH Gardening Expert
I recommend a good blend of potting soil with dolomitic lime and a small amount of iron sulfate, along with some compost. Mix this well, and plant into this.
This article will give you more information on the schefflera:https://www.gardeningknowhow.com/houseplants/schefflera/schefflera-plant-care.htm