The dahlia, which comes from Mexico, has now found its way into many gardens. It particularly delights flower lovers with its large, colorful flowers. But when the flowers turn brown, the joy is quickly over
Why do dahlia flowers turn brown?
In addition to the naturalwitheringof the flowers, various other causes can be responsible for the brown color. These includePests,Diseases,FrostandNutrient Deficiencies Independent brown dahlia flowers should be removed immediately as they tend to rot.
Is it a concern if dahlia flowers turn brown?
In many cases, the brown color of dahlia flowers is natural and thereforesafe When withered, the petals are brown. However, if the brown dahlia flowers are still in the bud stage, they will not bloom and there may be a serious cause behind it.
Why can the brown flowers of dahlias cause harm?
When the flowers are brown, they are often moist, slimy andprone to rot To avoid rot formation and transmission, brown dahlia flowers should therefore be removed and discarded. Even if the flowers are already on the ground, they pose a risk.
What should be done with the brown flowers of dahlias?
Brown dahlia flowers should becollectedorcut off. Dispose ofPlace the brown flowers in theResidual waste, as they could already be carrying pathogens.
Can pests be behind the brown flowers of dahlias?
There can be pests behind the brown dahlia flowersWatch out for aphids! They like to sit on the buds, rob the dahlia of nutrients and the flowers turn brown. To regulate the aphid infestation, it makes sense to spray the dahlia with a soap solution. In addition to aphids, pests such as snails and caterpillars can also eat the flowers and cause them to turn brown.
What disease causes brown flowers on dahlias?
Grey mold can cause brown flowers. The leaves of dahlias are often affected and turn yellow. Remove diseased plant parts to prevent further spread of the disease.
Can dahlia flowers turn brown due to frost?
Frostcan also contribute to the browningof the dahlia flowers. This is particularly the case in autumn. It gets too cold for the dahlia and its flowers freeze. Simply cut the plants down and overwinter the dahlia tubers.
Which care mistakes lead to brown dahlia flowers?
Bothnutrient deficiencyand too muchmoisture can lead to brown flowers. Fertilize the dahlias regularly to avoid nutrient deficiency. When watering, be careful not to get the leaves wet. However, in rainy summers it is difficult to protect dahlias from moisture and brown flowers are a common result. Still try to keep an eye on the care and strengthen the dahlias.
Tip
Airy, sunny and dry – prevent brown flowers
Choose an airy and sunny location for your dahlias. The soil should be well-drained to prevent waterlogging from forming. Water directly onto the root area and clean the dahlias regularly during the flowering period. This way you can largely avoid brown flowers.
