These pine trees, 80 to 120 feet tall, require 100 to 150 years to become full size and can live up to 500 years.

"I want to serve the worldforest in whatever capacity the trees require."

Small trees grown in containers, like bonsai, require specialized care.

Removing large trees requires tracked equipment; costs can approach $2,000 per acre.

The tree requires a climate with heavy rainfall and without frost.

When fully grown, these trees typically require large amounts of water and are therefore often concentrated near streams.

The tree requires assiduous training to restrain its vigorous growth.

Temple's hypothesis that the tree required the dodo has been contested.

Larger trees might require two or three stakes, or guy wires.

The tree requires intense sunlight for its saplings to establish.