9GreenBox - Large 6" Pot Sweet Olive Tea Tree Live Plant Osmanthus These evergreen plants thrive in most soil types, in semi shade to full sun. They need zone 7 to 10. They are a fast growing plant often growing 2 to 3 foot a year. They reach sizes of 12 to 20 foot tall and 8 to 10 foot wide. Once received use a well draining soil that does not hold extensive amounts of water.