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Although the beauty of bulbous plants is often short lived, it is all the more magnificent. Winterling, daffodil or tulip, from bright white to several bright shades in the same flower - the variety of species and breeds is almost as large as their flowers. Those who want to multiply particularly beautiful specimens or simply want to increase the number of flower bulbs, however, are often faced with a problem as a layman. Sow seeds or divide onions? How it works, interested hobby gardeners learn here.
BrutzwiebelnThe simplest way of propagating bulbous plants is to remove bulbs. Over time, these form on their own from the flower bulbs or between the foliage leaves, whereby this process can be additionally accelerated. At the earliest in the second standing and flowering year, the open flower heads are cut off as quickly as possible to prepare the onion plants. The rest of the pedicel and the leaves remain standing. The reason for this is the growth-enhancing incentive that the plant gets by removing the flower. The green, on the other hand, is used for photosynthesis, which produces storable energy. As a result, the onion grows faster and stronger. It also stimulates the formation of brood bulbs. The early cutting off, may and should be repeated the following year. After that, the bulbs are dug up after flowering and when the leaves are already withered. On the large flower bulbs should now smaller approaches - the Brutzwiebeln - show. These are done as follows:
- 1. The bulbs are carefully broken off, depending on the size and already separated from the large onions, or cut with a sharp and clean knife.
- 2. The roots should remain as intact as possible.
- 3. Any existing interfaces or damp fractures are treated with a fungicide to prevent damage and infection.
- 4. Afterwards, the small flower bulbs are inserted separately into the corresponding substrate and cast on. It is important to pay attention to the appropriate depth. It should be about ten to fifteen centimeters in tulips, hyacinths, however, may easily look out of the ground.
- 5. If the bulbous plants show flowers the following year, they may be cut off again to make the onions grow faster.
Tip: So that you do not have to do without the flowers, but the propagation of the bulbous plants is still stimulated, not all flowers should be removed at the same time. It is sufficient to carry out the measure on every second or third plant.
Another possibility of propagation of flower bulbs is the division. In many bulbous plants, such as the tulip, clumps form in the course of time. This looks nice at the beginning. Over time, however, the flowering decreases significantly and the clumps almost exclusively show leaves. For that reason alone, it makes sense to dig them out about every four to six years and carefully separate the onions. In small groups, the flower bulbs can be planted separately. It usually comes on Brutzwiebeln. In addition to the increase, however, this measure also has a rejuvenating and the flowering effect. However, the direct division of the bulb plants is not just about splitting up clumps. The onion itself can be halved or scaled and thus propagated. For this, however, a distinction must first be made between the different types of onions. So you can find the familiar and example of the kitchen onion known shell bulbs. But also squared bulbs, such as some lily species, including Lilium wallichianum or Lilium martagon serve as a base.
Division of the shell onionIn the propagation of the shell bulb by direct division helps the following instructions:
- 1. The onions are dug up and thoroughly freed from the earth.
- 2. To prevent infection or other damage, the flower bulbs are additionally rinsed with water and freed from the outer shell.
- 3. On the plant onion the onion cake is searched. This is a flat disc, which is usually found at the bottom.
- 4. Using a sharp, clean knife, split the onion lengthwise to halve the onion cake.
- 5. Both cut surfaces are dusted with a fungicide and allowed to dry easily.
- 6. Only when the cut surface is no longer moist, the resulting halves may be planted again in substrate.
Division of the scale onionAlthough the squamous bulb is also one of the flower bulbs, its proliferation by division is completely different and requires a bit more tact.
- 1. The shed bulb is also excavated, freed from the soil and shell and washed.
- 2. The small tubers consist of individual scales that are lenticular and slightly curved.
- 3. These scales are now separated from each other, from outside to inside. It must not be cut, but only be used with light pressure and fingers.
- 4. The individual dandruff will be treated with fungicide, if small impressions and injuries are present.
- 5. Following this, each flake is placed upright in the substrate and lightly covered. Of course, the watering must not be forgotten either.
It is quite possible to multiply flower bulbs by seeds. However, it may take several years for the seeds to become flowering bulbs. In addition, semen production is often difficult. This variant of the propagation is therefore only conditionally recommendable.
If you still want to try it, you should proceed as follows:
- 1. When the flowers wither, they sow the seeds themselves. In order not to have to pick up the tiny seeds separately, small bags or bags should be tied around the flowers.
- 2. The seeds thus obtained are first dried in the air. This process can take several weeks depending on the weather.
- 3. The dried seeds are then either kept dry or cool until next spring or sown directly.
- 4. For this purpose, the seeds are applied directly in the bed and lightly sifted soil covered or seeded in planters and potting soil.
- 5. In the first few weeks, the seeds are kept slightly moist and should be bright but not too warm. About 20° are enough.