The oleander has special requirements, also with regard to its water requirements. We show when, how often and how much you should water oleanders.

In its natural habitat, the oleander usually has enough water available, we have to help out

Oleander (Nerium oleander) we associate with hot summers and blue sea. The oleander, on the other hand, seems to combine heat with lots of water. And for this reason, it should be watered frequently and always get enough water - you can find out exactly how much and how often here.

Although the oleander comes from the Mediterranean regions all the way to Morocco, it still needs a lot of water. How does that fit together? In its homeland, the oleander mainly inhabits stream and river meadows. It's hot and sunny there, but there's still plenty of fresh water available.

When to water oleanders?

Oleander prefers to be watered throughout the growing season. So water your specimen regularly from spring to late autumn. However, as soon as it gets cooler, reduce the amount poured. In a cool winter quarters you can almost completely stop watering.

What to water oleanders with?

Hard tap water is perfect for the oleander. In contrast to many other plants, however, the oleander prefers calcareous water. In spring, lukewarm water can prematurely bloom.

Lukewarm water in spring can delay flowering of the oleander

Oleander: how often and how much to water?

Due to the high water requirement, the oleander should be watered regularly and frequently. He needs plenty of water throughout the growing season and wet feet don't bother him as long as they don't become permanent. So water it enough so that the water is in the saucer once - but only so much that the oleander can use this water. The soil should always be moist.

In winter, the oleander should only be watered a little. The following applies: the cooler the wintering place, the less water it needs. As a rule, it should only be watered once the soil above ground has completely dried out.

Summary How to water oleanders correctly:

  • Preference is given to hard, calcareous tap water
  • Water often and a lot so that the soil is always moist
  • Wet feet do no harm, but should not be permanent
  • Water only a little in winter

You can find out more about caring for oleanders here.

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Trees