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Plant characteristics

Plant Type:

  • Vegetables
  • Annual

Sunlight Requirements (where to plant related to sun)

  • Full Sun

Soil Type (type of soil plant needs)

  • Soil with Good Drainage

Climate Type (how tollerant is to frost?)

  • Withstands Frost
  • No Frost Tolerant

Fragrant Plant (do flowers have an aroma?)

  • No Fragrant Flowers

Difficulty Level (how hard is to cultivate this plant?)

  • Easy

Showing Season (which months can we sow seeds)

  • July
  • August
  • September
  • October

Planting Season (which months can we plant or transplant)

  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December

How to grow Onions

The size of the onion is related to the size of its green parts above ground. The larger the green part, the larger the onion will become.

Other names for onions

Latin name: Allium cepa. Alliaceae family
Greek name: Κρεμύδι (single) Κρεμμύδια (plural)

Onion growing tips

Please see the post: Planting onion sets.

Start onions from seeds (onion sets)

The most common and safe way to start onions is to use onion sets that you buy from plant nursery stores.

If you want to have onions ready in the summer, you should start sowing onion sets them in March or April.

If you want to have onions ready in winter, you should start sowing onion sets in August.

Onions green part, will start to appear 10 to 14 days after sowing, depending on the soil temperature. The ideal temperature is 16 to 25 degrees Celsius.

Onion sowing distances and depth

The sowing distance of onions varies according to the variety. Onions that will grow quite a bit need longer distances. Onions that have a smaller bulb can be planted at shorter distances. A safe seeding distance is 10 to 20 cm.

The sowing depth of the seedbed is about one to half a centimeter.

Best soil for onions

Onions prefer soil that is well fertilized and well drained. You can add compost or other fertilizer to the hole where you plant each onion.

Soil should be soft to help onion’s bulb grow.

Irrigating onions

Onions need good and regular watering.

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