Charles Malki, Biologist & Plant Expert from ivorganics.com/ teaches all about Avocado plant care, including: (1) how & when to fertilize, (2) sunburn protection of tree trunk, branches and leaves, (3) that only one (1) avocado is sufficient for fruit production, however, planting a Type A (such as Hass) and a Type B (such as Fuerte) Avocados can in the same garden / orchard can increase fruit production by 5-20%. For a chart on Avocado Varieties and whether they are Type A or B, you can visit this site: www.tropicalfruitnursery.com/avocado-viewer/index.htm For avocado tree planting tips, visit: www.youtube.com/watch?v=fIRU6VQHlG4 For more sunburn damaged trees and solutions, visit: www.youtube.com/watch?v=F6gvdsmrYsU www.youtube.com/watch?v=RJ-a473LWh4 For videos on organic vs. inorganic fertilizers; as well as fertilizing times, visit: www.youtube.com/watch?v=Fa5TdZCViv4 Be sure to LIKE & SUBSCRIBE to watch all the other IV Organic's educational gardening videos.