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?)
Showing Season (which months can we sow seeds)
Planting Season (which months can we plant or transplant)
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.
Onions need good and regular watering.