Michael Conelius is a portfolio manager in the Fixed Income Division at T. Rowe Price. Mr. Conelius is lead manager of T. Rowe Price's Emerging Markets Bond Strategy. He is a vice president of T. Rowe Price Group, Inc., T. Rowe Price Associates, Inc., and T. Rowe Price International Ltd.
To grow an avocado tree from a seed, stab the seed with tooth picks, put it in a glass of water and plant the roots system that grows in six weeks. Learn about growing avocado trees with help from an expert gardener in this free video on vegetable gardening. Comments.
Special Considerations. Avocado trees require horizontal spacing of 20 feet to accommodate their mature spread, and 30 to 60 feet of vertical space for height. Avocados grow best when humidity levels are high. Locate the tree in an area sheltered from high winds but open to slight breezes.epending upon the variety, avocados grow in U.S. Department of Agriculture plant hardiness zones 8 through 11. The most cold hardy of the three types is the Mexican avocado, which will grow in temperatures as low as 19 to 20 degrees Fahrenheit.