Almonds
Almond Crop Reports | Almond Board of California (almonds.com)
abc_technical_kit_2015.pdf (almonds.com)
California Almond Harvest starts August and runs thru end October
Walnuts
https://walnuts.org/food-professionals/why-walnuts/taste-versatility-size-color/
Reports - California Walnuts
http://www.walnuts.org/industry-resources/report-center/monthly-shipment-reports/
http://www.walnuts.org/industry-resources/report-center/
http://www.walnuts.org/industry-resources/report-center/
California Walnut Havest starts mid September and runs thru early November.
Pecan
Pecan Sizing Chart | ILovePecans
USA Pecan Harvest starts October and runs thu early January. Pecans grow in multiple states from CA to GA.