How to Plant a Grade 4 Pinto Bean


Bulk foods such as seeds and beans are graded according to quality. The grading scale ranges from 1 to 5. Grade 1 pinto beans have been sorted prior to sale and have the lowest percentage of foreign material, damaged, split or otherwise defective beans. Grade 4 pinto beans are at the low end of the scale and therefore contain a higher amount of defects that should be removed before planting.

Step 1

Sort through the Grade 4 pinto beans. Pick out any foreign material or any beans that are split, undersized, damaged or discolored.

Step 2

Wait until the right time to plant. Pinto beans will not germinate when the soil temperature is below 60 degrees Fahrenheit. Beginning in spring, use a soil thermometer to take the temperature of the soil at a depth of 3 inches every morning. Record the temperatures. When your weekly average is above 60 degrees Fahrenheit, your pinto beans can be planted.

Step 3

Prepare the planting site. Pinto beans need fertile soil to produce fertile beans. Use a hand cultivator or rototiller to till the soil to a depth of 1 foot. Spread 2 to 8 inches of aged compost (depending on soil fertility) over the tilled area. Till the soil again to a depth of 1 foot and smooth the area with a rake.

Step 4

Plant your pinto beans 3 inches deep and 4 inches apart in rows that are 20 to 30 inches apart.

Step 5

Water the planting area so that the top 18 inches of the soil are quite moist but not soaking.

Step 6

Fill in the spaces left by any ungerminated pinto beans by transplanting the seedlings. Do this two weeks after the seedlings have germinated. Water the soil again to a depth of 18 inches.

Things You'll Need

  • Soil thermometer
  • Aged compost
  • Hand cultivator or rototiller
  • Rake


  • USDA: Grain Inspection, Packers and Stockyards Administration
  • Texas A&M University: Pinto Beans
  • Thomas Jefferson Agricultural Institute: Dry Edible Beans
Keywords: grade 4 pinto, plant pinto, plant grade 4

About this Author

Emma Gin is a freelance writer who specializes in green, healthy and smart living. She is currently working on developing a weight-loss website that focuses on community and re-education. Gin is also working on a collection of short stories, because she knows what they say about idle hands.