How to sow them properly

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Seed propagation in oleanders is an exciting matter

In contrast to the vegetative forms of reproductionwhere you know exactly what the future plant will look like in advance - after all it is just a clone of the mother plant - expect plenty of seed propagation Surprises. Seedlings often do not look at all similar to the parent plants and the descendants are very different from one another. This phenomenon occurs because the genetic material of the parent plants mixes with each other through the fertilization of the flowers, Mutations can occur or, suddenly, previously suppressed features of ancestors that are further back prevail could.

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Breeding new oleander varieties

Because of this, the Breeding of new oleander varieties preferably used seedlings. Even you as a hobby gardener or Hobby gardeners can try their hand at it. All you need is at least two

different oleander varieties, which you pollinate by hand with a fine brush immediately after opening the flower buds. If seed pods develop from them, sow the seeds in them and cultivate the developing seedlings. However, you need a little patience for the cultivation, because the small plants bloom at the earliest when they are old three years - only now can you see the shape and color of the flowers, so you can make your selection can.

Sow seeds and grow seedlings

The seed pods are ready for harvest as soon as they have turned brown and gradually burst open. Collect the seeds inside and then proceed as described:

  • First, soak the seeds in lukewarm water for at least one night.
  • Stratification is not necessary as it is a Mediterranean plant.
  • Fill a shallow seed tray with a low-nutrient one Growing substrate.(€ 12.99 at Amazon *)
  • Herbal and Potting soil, but a substrate based on coconut fibers is also very suitable.
  • Sow the seeds on it and cover them only lightly with sieved soil.
  • Oleander is one of the light germs.
  • Spray the seeds and substrate with stale and lukewarm tap water.
  • Keep the substrate evenly moist until germination.
  • Cover the bowl with a piece of cling film or similar. Ä. To increase the humidity.
  • Put the bowl in a light and warm place.

Now you have to be patient, because it can take a few weeks for germination. In principle, oleander seeds can be applied all year round, but the best results are achieved in spring.

Tips

In contrast to cuttings are propagated the typical oleander diseases how, for example, the oleander crab is not passed on to the newly emerging plants when they reproduce seeds. For this reason, seedlings are particularly popular for grafting (for example, for tall oleander stems).