The perennials, also known as georgines, can be guests in the garden for many years and again with the help of their storage organs, their tubers. There the dahlias need plenty of sun to be able to grow or not?
Can dahlias tolerate a lot of sun?
Dahlias prefer a sunny location as they originally come from Central America and require full sun and warmth to grow. Locations that are too shady can lead to delayed sprouting, fewer flowers and an increased risk of disease.
Is a sunny location the best choice for dahlias?
For dahlias, a sunny location is thebest choice They originally come from Central America and have been able to adapt to the climatic conditions there. This means: Full sun and warmth are not a problem for dahlias, but are actually important for them to grow properly. If possible, you should plant these sun worshipers in a place that is in full sun and protected at the same time. Standing in the sunshine from morning to evening is a blessing for dahlias.
Why is the sun so important for dahlias?
In a shady location, it would be too cool for the tubers underground and they would grow out late or not at all. In addition, a location that is too dark would have a detrimental effect on thegrowthas well as the number offlowers and their color.
The entire vitality of the dahlia could also suffer. The risk of diseases is therefore higher in the shade and powdery mildew would have an easy time. If the soil is still moist, the tubers could rot.
How much sun can dahlias tolerate?
Normally, dahlias toleratea lot sun. However, if it is very hot and dry in summer and the dahlias also suffer from a lack of water, there is a risk that their leaves will droop, the flowers will diminish and pests and diseases will plague the plant. It is therefore essential to ensure that the dahlias are supplied with sufficient irrigation water. But be careful: do not water over the flowers or leaves!
Is it recommended to mulch dahlias in the sun?
Dahlias shouldnot be provided with mulching material. Although mulching benefits many other plants. It could harm the dahlias. On the one hand, if the soil is too wet, the tubers could rot more quickly and, on the other hand, the dahlias then become more interesting for snails and voles. The mulching material attracts these animals and they like to eat the leaves orFull of tubers.
Tip
Protect the tubers from the sun
Planted dahlias like the full sun. But their tubers do not cope as well with the sun. They should therefore be buried deep enough in the ground and, after digging, overwintered in a dark place.