Multi Grafted Avocado Tree . The green cambium layer of wood, just beneath the bark, is the key. Selected for their summer and winter fruiting seasons; MultiGrafted Avocado and Maprang seeds from www.houzz.com The big tree better fruits soon because my pulasan is waiting for it's spot. Advanced ornamental trees and garden designs and concept plans. The grafts were done in january and february of 2020.