Staking a Birch for long term stability

 Yep, keep the stake, even when it rots at the base. The trees will eventually hold up the post.

Grade changes are fun (Pittosporum eugeniodes)

Trees were buried. They are likely to survive longer than you would think, but really?

Same owners attacked their oaks. 

Japanese maple - 2 nice cuts

 A contractor no less...

Bit of extra soil for my Redwoods (Sequoia sempervirens)

 I had to put the soil somewhere.....

Willow pruning

 Wait till you see the rest of their willows.

Native pine tree, scene of a crime (Pinus radiata)

 Healthy one day, gone the next...

redwood thinning (Sequoia sempervirens)

 A thinning goes a long way