Planting onions in the winter is a great way to achieve an early and abundant harvest. If you plant onions this way, you can enjoy a quicker harvest compared to spring planting. However, it’s important to choose the right time and follow the correct planting steps to ensure success.
Choosing the Right Onion Variety
- “Stuttgarter Riesen”
This is a top choice for large bulbs, but it’s vulnerable to diseases. To ensure a good harvest, make sure to treat your plants with disease-prevention measures in time. - “Centurion”
This hybrid variety is known for its sharp taste and long storage life, making it a reliable option for winter planting. - “Oat Flakes”
This variety grows to a medium size with a rounded shape. It’s suitable for planting in various regions and adapts well to different climates. - “Red Baron”
Known for its consistent good harvests and excellent storage qualities, this variety is another great choice for winter planting.
All of these onion varieties can be successfully planted in winter for an early harvest.
The Best Time to Plant Onions for Winter
Choosing the right planting time is crucial. If you plant onions during warm days, they may start to germinate and freeze during the cold winter, resulting in a poor harvest. Therefore, wait for cooler weather when the top layer of the soil is around 1-2°C.
The ideal time for planting is typically mid-October, but it can vary depending on the weather. In some areas, planting can be done as late as early November. The recommended planting window is from October 5-20.
If you’re unsure about timing, consult the lunar calendar to find the best favorable dates for planting onions.
How to Plant Onions (Sets) for the Winter
- Prepare the Planting Site
Choose a location where early-season crops like tubers, cucumbers, cauliflower, and legumes have grown previously. It’s also beneficial to select a spot with good drainage to avoid waterlogging. - Prepare the Soil
Dig up the soil and remove any weeds. This helps ensure a clean, nutrient-rich environment for the onions. - Plant the Bulbs
Plant the onion sets about 10 cm apart to give them enough room to grow. - Cover the Beds
Once planted, cover the beds with straw or grass to protect the bulbs during the winter. While onions can sometimes freeze, this is rare if you follow the right steps.
Advantages of Planting Onions for the Winter
- Smaller Bulbs
Planting smaller bulbs is ideal as they tend to produce fewer flower stalks (arrows). - Early Harvest
Winter planting allows for an early harvest, as the onions will begin growing in cooler temperatures and mature faster in the spring. - Stronger Plants
Onions planted in autumn will have time to strengthen, making them more resistant to pests and diseases. - Less Weeding
You’ll spend less time weeding since the onions will have a head start on growing in the cooler months. - Early Market Sales
Planting early allows you to sell onions earlier, as there is typically a high demand for fresh onions in early spring. - Better Storage
With an early harvest, you’ll have enough time to dry the onions properly, preparing them for long-term storage.
By following these guidelines, you’ll be able to grow a healthy and abundant crop of onions that will provide you with an early, satisfying harvest!


