Seed Piece Planting Guide

Seed Required (cwt) per Acre when seed pieces weigh an average of the following.

A2:H29
Rows 30 in (0.76m apart)1 1/2 oz (43g)1 3/4 oz (50g)2 oz (57g)2.25 oz (64g)2.5 oz (72g)2.75 oz (79g)3 oz (86g)
6 in (15.2 cm)32.63843.750.357.866.576.4
8 in (20.3 cm)24.528.632.837.843.449.957.4
10 in (25.4 cm)19.622.826.330.234.74046
12 in (30.5 cm)16.31921.825.128.933.238.2
14 in (35.6 cm)1416.318.821.624.828.532.8
Rows 32 in (0.81m) apart       
6 in (15.2 cm)30.735.841.247.354.462.672
8 in (20.3 cm)22.926.730.735.340.646.743.7
10 in (25.4 cm)18.421.424.728.432.637.543.1
12 in (30.5 cm)15.41820.623.727.331.436.1
14 in (35.6 cm)13.115.317.62023.226.730.7
Rows 34 in (0.86m) apart       
6 in (15.2 cm)28.833.638.644.451.158.767.5
8 in (20.3 cm)21.625.22933.338.34450.6
10 in (25.4 cm)17.320.223.226.730.735.340.6
12 in (30.5 cm)14.416.819.322.225.529.433.8
14 in (35.6 cm)12.414.516.619.12225.329.1
Rows 36 in (0.91m) apart       
6 in (15.2 cm)27.131.636.341.84855.263.5
8 in (20.3 cm)20.423.827.331.436.241.647.8
10 in (25.4 cm)16.31921.825.128.933.238.2
12 in (30.5 cm)13.515.718.120.823.927.531.7
14 in (35.6 cm)11.613.515.517.920.623.627.2

THE RULES AND REGULATIONS FOR COLORADO CERTIFIED SEED POTATOES, AS INCORPORATED HEREIN, HAVE BEEN PROMULGATED BY THE BOARD OF GOVERNORS OF THE CSU SYSTEM PURSUANT TO LEGISLATION ENACTED BY THE COLORADO GENERAL ASSEMBLY, AS INCORPORATED IN SESSION LAWS, 1929, CHAPTER 59, PAGE 188, AND SESSION LAWS, 1933, CHAPTER 25, PAGE 173. SINCE THE USE, CROP, YIELDS, OR QUALITY OF CERTIFIED SEED POTATOES IS BEYOND THE CONTROL OF THE PRODUCER, THE SELLER, THE INSPECTOR, THE COLORADO POTATO GROWERS’ ASSN., INC. OR THE BOARD OF GOVERNORS OF THE CSU SYSTEM, NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING MERCHANTABILITY, WHICH EXTENDS BEYOND THE DESCRIPTION ON TAG OR BULK CERTIFICATE IS MADE CONCERNING THE PERFORMANCE OR QUALITY OF THESE SEED POTATOES. BY ACCEPTANCE OF THESE SEED POTATOES, BUYER EXPRESSLY AGREES THAT ITS EXCLUSIVE REMEDY FOR BREACH OF ANY WARRANTY SHALL BE LIMITED IN ALL EVENTS TO A RETURN OF THE PURCHASE PRICE OF THE SEED.

“By law and purpose, the Colorado State University Cooperative Extension Service is dedicated to serve all people on an equal and nondiscriminatory basis.”

Website photos courtesy of Anna Brownell with Zapata Seed

*Potato photos provided by MixPhotoDesign