Bulbs: hidden in the ground waiting to be planted
Ornamental onions, like many other leek plants, form brood onions. With the help of this, the plant can be specifically propagated. The brood onions are usually in the ground and right next to the mother onion. Some species also develop their bulbs on the surface.
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First, you need to get the bulbs out of the ground. This is best done in autumn, when you have cut down the plant beforehand. Use a spade to pry the mother onion out of the ground.
The broiler onions usually adhere to the mother onion. They developed over the summer. For propagation it is important that these bulbs are plump, white and firm. Simply separate the broiling onions from the mother onion.
Plant in a new location
Now the bulbs are planted in a different location. Please note the following:
- sunny to partially shaded location
- permeable, loose, nutrient-rich soil
- Distance of at least 15 cm
- Planting depth: 10 to 15 cm
- insert with the point up and the roots down
Grow the seeds for sowing
The seeds of the ornamental onion are small, black, smooth, slightly shiny and irregularly shaped. They look like the seeds of regular vegetable onions. Sowing is generally not very widespread, as it is much more laborious than propagation using the brood bulbs.
Disadvantages of this method
The disadvantage of this method is that it takes a long time for the seeds to develop into large plants with strong bulbs. In addition, with bad luck, it takes longer than 3 months for the seeds to germinate. They are cold germs. It also takes 2 to 3 years for the first bloom.
Sowing procedure
First of all, the seeds need a warm and humid period. You can use them for this purpose. B. harvest in late summer and wrap in damp kitchen paper in a glass bowl. After about 4 weeks, the seeds and paper towels are put in the refrigerator. After a waiting period of 6 to 8 weeks, the seeds are sown normally in sowing soil.
Self-sowing: Simply leave the flowers to stand
It is not uncommon for the hardy ornamental onion to sow itself without any action. To do this, you should leave the faded flower stalks in the summer. The seeds overwinter on the ground and germinate in spring.
Tips
There is no need to sow the seeds as soon as you collect them. They can also be stored in the refrigerator until next spring. There they keep their ability to germinate well.
