When to plant sunflower and edamame

Edamame is a bushy plant that also known as soybean. Sunflowers are planted for their beautiful yellow flowers and tasty seeds. Edamame and sunflower have much in common even if they are not related plants.

They do not need much maintenance and love sunny places. Edamame and sunflower have a high nutritional level containing proteins, vitamins and fibers. One difference between these two plants is their height: sunflower reaches to almost ten feet while edamame is shorter, growing to twenty-four inches.


  1. The perfect time to plant both sunflower and edamame is in the spring when the soil isn’t cold or wet anymore.
  2. Choose a sunny place with a well-drained soil. Take care not to plant the seeds in a very wet ground.
  3. Use a shovel to make a hole in the soil (~10 inches). Remove any lump of soil or rock.
  4. Use a hoe to make rows. Take care not to make them too deep; keep some distance between them.
  5. Place the seeds in the rows at about three inches from each other. Put some soil over the seeds.
  6. Until the seeds sprout, water them systematically, keeping the soil damp, not very wet. Too much water will produce root rot and the plants will die.
  7. When they have grown to about three inches, rarefy the sunflowers. For little sunflower types keep a twelve inches distance while for bigger types, keep two or three feet between the plants. You don’t have to rarefy edamame.
  8. Use a dry and balanced fertilizer when your edamame starts blooming. Follow the manufacturer’s instructions to apply it. Don’t use any fertilizer with sunflowers because they will have a bushy aspect and few little flowers.
  9. When the young plants (both edamame and sunflower) are about five inches height, add three inches of organic mulch around them.
  10. Start reaping edamame when the pods have a tubby shape and an intense green color. Depending on the type and environment, edamame seeds should produce ripped crops in two or three months after sowing.
  11. Sunflower seeds can be harvested in fall when the back part of the flower has changed its color.
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