Watering dahlias is not only important, but essential to maintaining he althy plants with large, long-lasting flowers. But how does it work correctly? Should you exercise moderation or should you water too much rather than too little?
How should you water dahlias correctly?
Dahlias require regular watering, ideally in the evening. The soil should be moist but not wet. Dahlias in pots require daily watering, while those in the ground every two days are sufficient. Avoid watering on leaves to prevent fungal diseases.
Should dahlias be watered in the morning or evening?
It is best to water your planted dahlias in theevening hours. Then the tubers can absorb the water from the soil throughout the night and supply the plant on the surface.
Should the soil of dahlias be dry or moist?
The dahlia soil shouldnot dry out, but on the other hand it shouldn't be dripping with moisture either. It is therefore important to find the right balance. Protect the dahlias from long drought and water them when the soil dries. Dahlias in pots should be watered more often.
How often should dahlias be watered?
Dahlias in pots should be watered almostdaily in summer. On the other hand, outdoor dahlias can also cope with short-term drought. It is enough to provide them with water every two days during the growing season. Extreme heat is the exception: Dahlias outdoors also require daily watering. In general, the water requirement of dahlias depends not only on the weather, but also on the location.
Why do dahlia leaves do not tolerate water?
Pourneveron theleaves of the dahlias. The moisture on it significantly increases the risk of fungal diseases such as mildew. Dahlias are considered extremely susceptible to powdery mildew.
What does dryness cause in dahlias?
Although dahlias cope well with short-term drought, this usually comes at theburdenof theirleavesandflowersThe leaves become limp and the flowers wilt prematurely. In addition, fewer flowers are formed and the stems lose their support more quickly.
Last but not least, drought makes dahlias more susceptible to pest infestation.
How does waterlogging affect dahlias?
Waterloggingdamages dahlias much faster than drought. Prolonged wetness can cause the roots to rot and the plant will subsequently die. Therefore, make sure that the soil drains efficiently when planting the dahlia tubers. It should be well-drained and rich in humus. Substrates containing clay can be loosened up with a little sand.
Why should you water dahlias less from September?
From September, dahlias should be watered less, as this encourages the tubers to absorbwaterand at the same timestore. This is crucial so that the tubers can be stored over the winter until spring and do not dry out.
Tip
Combine watering and fertilization
When you water your dahlias, it is often the right time to fertilize them. You can add some liquid fertilizer (€8.00 on Amazon) to the irrigation water every two weeks and thus extend the flowering period of the dahlia.