Which are dahlias watered correctly?
Dahlias shouldn't be too damp or too dry. Let the soil in the garden or pot dry out a little. But then it is high time to give water again.
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They tolerate waterlogging Dahlia bulbs not at all. However, there is no danger on a permeable soil.
You should always water georgines from below. Since the flowers like to be in direct sunlight, there is a risk that the leaves will burn if they are damp.
Do dahlias need fertilization?
Dahlias prefer nutrient-rich soil. If you add compost to the soil before planting, Cattle manure(€ 18.80 at Amazon *) and Horn shavings(€ 32.93 at Amazon *) enrich, that is usually sufficient for the entire gardening season.
In case you additionally fertilize use only organic fertilizers so the georgins don't get too much nitrogen. You then develop hardly any flowers.
From August you are no longer allowed to use dahlias at all fertilize
, because they are overfertilized very quickly and the tubers then do not survive the time in the winter quarters.Can dahlias be replanted?
Since the tubers are dug up in autumn anyway and again in spring planted you should completely refrain from transplanting.
Are dahlias cut?
During the flowering period, you should prune anything that has faded immediately. This will extend the flowering time.
In autumn, the plant is cut down before it is overwintered. But leave a root neck of at least six centimeters, as the new shoots will grow out of the root neck.
What diseases can georgines experience?
- Leaf spot disease
- mildew
- Viral infections
- Dry rot
Virus infections and leaf spot disease usually develop when the dahlias are too shady and too moist. Especially in rainy summers with strong temperature differences mildew very often.
Not much can be done about viral diseases, which can be recognized by yellowish-green spots. Infested georgines should be disposed of with household waste.
Dry rot affects the Dahlia bulbs in winter quarters. It is probably caused by a virus. You have to throw away the affected tubers.
What pests do you need to watch out for?
Snails especially like to eat the young shoots. Aphids are also common. Voles cause the georgines a lot of trouble. They eat the tubers and damage them so much that the plant dies.
How are dahlias overwintered?
There Dahlias are not hardy they have to be dug up in autumn and the dry tubers in the cellar or another place cool but frost-free overwintered will.
Tips & Tricks
The botanical name of the dahlia is Dahlia. The ornamental plant got its name as a tribute to the Swedish botanist Andreas Dahl.