Although, avocado trees are best grown in a ph level between 6 and 65, these trees can equally tolerate alkaline and acidic soils the range provided is the nature of being mildly acidic foxfarm ocean forest potting soil organic mix indoor outdoor for garden and plants. Soil ph avocado trees. Sulfur: lowers soil ph to maintain tree health; fertilize in small doses over the entire growing season the shallow roots can more readily absorb small doses newly-planted trees don’t need much fertilizer, but in the first year applying about 1oz of nitrogen on a monthly basis from spring through fall is good.
soil ph avocado trees
Improve average soil with quality compost before planting if you have clay soil, create a large planting mound above the clay avocados will tolerate soil from slightly acid to slightly alkaline anywhere from ph 6 to 7 is ideal it is important that you select trees that are appropriate for your particular climate zone. The university of hawaii cooperative extension service circular no. 476, soil classification in hawaii, may provide useful information on soil management. the optimum soil ph for avocado is between 6.2 and 6.5. lime (calcium carbonate) can be added to acidic soil to raise the ph to 6.5.. Soil ph (measured in water) of about 5.5 is considered best but this level is impractical to reach in calcareous soils. trees can grow successfully in phs of up to about 7.5, although iron chlorosis can be an issue. soil and leaf analysis. buy leaf and soil sampling kits from your local fertiliser agent and follow the sampling directions..