How to Grow Bunching Onions Inside


Bunching onions, sometimes called green onions, are frequently used in salads for their light, tangy flavor. Bunching onions are actually an immature version of a normal onion, picked before it has a chance to grow to full size. Unlike scallions, bunching onions have a slight bulb at the end. The plant doesn't require a lot of room to grow, so it's possible to cultivate bunching onions indoors.

Step 1

Fill two pots with planting compost or soil. Choose neutral pH or slightly acidic soil. Make sure the pots are at least 6 inches deep and around 8 inches wide, with large drainage holes in the bottom.

Step 2

Push holes 1/3 inch deep into the soil with your finger. Space the holes approximately 1/2 inch apart. Insert a seed into each hole in one of the pots and cover with a light sprinkling of soil. Leave the other pot as it is for now.

Step 3

Water the pot containing seeds using a spray mister. Keep the soil damp over the next two weeks.

Step 4

Plant germinated seeds in the second pot the same way as you planted the seeds. The seeds should germinate around ten days after planting.

Step 5

Harvest your bunching onions four to six weeks after shoots first appear, or when they are around 10 inches tall.

Things You'll Need

  • 2 pots
  • Potting soil
  • Onion seeds
  • Water spray mister


  • Department of Horticulture at Purdue University
  • No Dig Vegetable Garden: Growing Spring Onions
  • Harvest Wizard: How to Grow Onions
  • Organic Garden Info: Growing Bunching Onions
Keywords: growing bunching onions, grow onions indoors, grow onions inside, bunchin onions indoors

About this Author

Based near London, U.K., Peter Mitchell has been a journalist and copywriter for over eight years. Credits include stories for "The Guardian" and the BBC. Mitchell is an experienced player and coach for basketball and soccer teams, and has written articles on nutrition, health and fitness. He has a First Class Bachelor of Arts (Hons.) from Bristol University.

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