The ideal temperature for tubers and plants

Do dahlias tolerate freezing temperatures?

dahlias are sensitive to frost and should therefore before frost to be protected. The best way to do this is by using the dahlia bulbs digs up in autumn and overwinters in a frost-free place.

Since the tubers are still collecting the last of their energy from the above-ground parts of the plant, it is important to Dig out waiting for the leaves and stems to wither. So it can take until the end of October until the time is right. Don't worry: the dahlia tubers in the ground defy light frost.

At what temperature should dahlia bulbs be overwintered?

For the hibernate of dahlia tubers is a temperature between

4 and 8°C optimal. If it is warmer, there is a risk that the tubers will dry out or even sprout. Then they don't have much energy left in the spring.

Which winter quarters are suitable for dahlias?

As a neighborhood for overwintering of the tubers are suitable cool, dry and dark places such as a basement, cellar.

In the basement you can provide a wooden box and line it with newspaper. Now the tubers of the dahlias come in and are covered with plenty of sand. On the one hand, the sand prevents the tubers from drying out and, on the other hand, prevents rot from forming.

At what temperature can dahlias be propagated?

From March it is possible to plant the dahlias at 8 until 15ºC to advance This requires a bright room (alternatively also a greenhouse).

Each tuber is placed in a pot with soil. The pots are best kept by the window, as the shoots receive sufficient light there as soon as they appear.

Driving at moderately warm temperatures is recommended, since the plant then plant out is usually stronger and flowers earlier. In addition, feeding damage caused by snails is better tolerated.

How warm does it have to be when the dahlias move outdoors?

To be on the safe side, dahlias should not be planted outdoors until after the ice saints, since then the temperatures at night usually drop not more below 0°C fall. The danger of frost is averted and the plants can no longer be damaged.

At what temperature do dahlia seeds germinate?

If you want to grow dahlias from seeds, you should note that they have to grow at temperatures between 18 and 20°C germinate. They can be sown directly or grown up to young plants at home. They usually germinate after 7 to 14 days of constant temperature.

Do dahlias prefer warm or cool locations?

Since dahlias are originally from Mexico, they prefer one to warm and sunny location. Then they blossom into full bloom. In addition, a position protected from the wind is important to them, as this also ultimately leads to more warmth.