🌱 Sowing & planting
- Sowing depth: 0.6 cm
- Sowing distance: Pre-cultivate in 5 cm trays ; on site in rows, 30 cm between the rows and thin out to 10 cm between the plants
- Germination: 13 °C, 7-14 days
- Planting distance: modules with 8-10 seeds per hole, transplant when the onions are 5-10 cm high; plant modules 10 cm apart
- Plant out when: the onions are 5-10 cm high
- Growth cycle: approx. 180 days
📅 Growing times throughout the year
- Winter cultivation: sow outdoors mid-August-mid-October; harvest May-August.
- Summer cultivation: sow under glass mid-February-March; plant outdoors mid-April-end May; harvest mid-July-November.
- Autumn cultivation: sow outdoors in April; harvest August-December.
- Sowing method: Sow directly in a greenhouse/cold frame in early spring, later outdoors; or in 5cm modules in groups of 8-10 seeds.
Start cultivation (sowing)
Harvesting
JAN FEB MAR APR MAY JUN
Jul Aug Sep Oct Nov Dec
Winter cultivation
🪟 Summer cultivation (greenhouse → outdoors)
Autumn cultivation
🏠 Inside
🪟 Greenhouse / conservatory
Outside
🌿 Popular breeds
- Ishikura
📘 Basic information
- Crop group: Root crop
- Crop family: Onion family
- Height: approx. 60 cm
- Growth cycle: approx. 180 days
- Frost resistant: yes
- Root system: 20-30 cm
- Preferred soil: pH 6.0-7.0, sandy and loamy soil
- Fertilization: well- composted soil
🌞💧 Pitch & water
Location: ☀️ moderate sun
Watering: 💧💧 water moderately
❗ Dangers & Concerns
- Few known issues.
🧺 Harvesting & storing
After 8 to 12 weeks, you can start harvesting. Cut or pull the stems out of the row as needed.
The stems are delicious in soup, stir-fries and salads.
🍽️ Nutritional value
Per 100 g spring onion (including stem):
- 32 kcal
- 0 g fat
- 7 g carbohydrates
- 2 g protein
- 3 g fiber
- 2 g sugar
- Vitamins: A, C and K
- Other: Thiamine, riboflavin, magnesium , phosphorus , copper, potassium, calcium, iron, folic acid, pantothenic acid and manganese
