I'd never heard of planting one's placenta with a tree - what a concept, and what a tree:

Tree of the heart, helping to dispel fears and reduce stress...opens the heart up to love and healing

We have one, lone hawthorn tree, planted by the birds, roughly 30 years old, and it's taken quite a beating. Vines (poison ivy, virginia creeper) keep trying to strangle it. I love this tree and look for it at local nurseries, in vain.

No olive trees in my neck o' the woods (The Midwest), just the "Russian Olive," as much a misfit as the blue spruce in our summer landscape.

Great photos and thoughts!