A study was conducted at Wayne Baker’s farm South of Clovis in 2006 to compare single row, twin row, and diamond planting patterns in Valencia peanut on 36 inch beds.  The twin row and diamond pattern treatments were planted with an experimental planter developed at the USDA-ARS National Peanut Research Laboratory in Dawson, GA.  The diamond pattern is established by planting 4 rows on a bed and placing seed equidistant from each other to optimize individual plant growing space.  This is potentially beneficial for bunch-type peanut with erect growth and tap root fruiting habits.  The purpose of this study was to identify which of three different planting patterns provided the most agronomic benefit in Valencia peanut and determine an optimum plant population for the diamond pattern.  Farmer stock yield of single row plots was 3175 lb per acre which was significantly less than the 4000 to 4325 lb per acre produced by twin row and diamond planting patterns. Peanut grade was similar between all planting patterns ranging between 57 and 62 resulting in value ranging between $298 and $312 per farmer stock ton.  Economic analysis including seed cost and crop value were carried out to determine actual return with the assumption that all other production costs are fixed.