November Almond Orchard Management Considerations


  • Apply banded potassium to the soil if that is part of your fertility management plan. Granular potassium chloride or potassium sulfate is most commonly applied in late November after leaf drop progresses and a few inches of rainfall have re-moistened the soil. If potassium chloride is used, make sure there are no soil restrictive layers and that application is followed by 8-10 inches of rain or irrigation prior to bloom to leach chloride from the root zone. Every 1,000 lbs of almond kernels harvested remove 70-80- lbs of potassium.
  • If planning early pruning, watch the weather forecast. Especially in young orchards, avoid pruning ahead of forecast rain. Disease spores are spread in rain events, so pruning would increase the risk of infection. Grower experience suggests the worst timing for infection may be November. UC researchers are investigating pruning timing relative to rain and infection risk.
  • Sample dormant spurs for scale, mite eggs and scab sometime between mid-November and mid-January. Collect a total of 100 spurs from 35-50 trees, randomly selected from each orchard.


  • Look for Sac Valley farm advisors at the Almond Industry Conference, December 6th through 8th at the Sacramento Convention Center!


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