Plants

Delphinium

How to water

The Delphinium has large green leaves and from spring until the end of summer it is colored with large blue or pink flowers, always lively and elegant. This plant is grown in pots or in the ground and belongs to the Ranunculaceae. It comes from Europe and America and its stems can reach up to 2 meters in height if the climate is favorable and suitable. Water supply, good temperatures and protected environments are the right conditions to obtain the best quality. As for the watering to be carried out, it is good to carry it out regularly, checking that there are no stagnations on the ground. In autumn and winter it is advisable to reduce irrigation, but without interrupting it. After the Delphinium has been planted in spring it is necessary to water abundantly, continuing with regular watering. Even in summer, with the intense heat, it is good to never forget to water the plant to avoid the formation of too dry soil.

Cultivation


In spring and autumn the Delphinium can be sown or its multiplication can be carried out in September by placing the plant in a sheltered place or in a warm place waiting for the following spring when it will be planted. However, there is another way to grow Delphinium. In fact, thanks to the cutting, a piece of stem can be taken to root in a warm and humid environment. Therefore, from germination to flowering, the temperature should be around 15 ° C, while in the greenhouse the optimal conditions will be: 15 ° C at night and 24 ° C during the day. Above 30 ° C, however, growth stops, consequently in summer it is very useful to use a net that produces the shade necessary to reduce the intense light and the excessive temperature typical of that period. At the end,

How to fertilize


The soil of the Delphinium must be drained, sufficiently composed of nutrients and organic substances, with a high PH and without pathogens. It is therefore advisable to fertilize with an organic and rich fertilizer to promote development and growth. In fact, in the initial moment of cultivation the plant does not absorb many nutrients; only later, in the growth phase, will it need these nutrients. After carrying out the transplant you have to wait a week and only after that you can irrigate the Delphinium every fortnight by combining the fertilizer with a lot of nitrogen to the water for watering. The intervention must continue until flowering, after which it is necessary to administer a fertilizer with potassium always every fifteen days. But at

Delphinium: Exposure and Diseases


The Delphinium loves the light and the sun, but does not disdain even a slightly shaded area. It does not fear the cold, although it is much better for the plant to be able to avoid it, for this reason it is good to place the Delphinium near the wall or in a place protected from the wind that would break the stems. Pests that attack this beautiful colorful plant can be thrips, leaf miner, or aphids. While the diseases of the Delphinium could be: powdery mildew, downy mildew, botrytis and rot. Powdery mildew, for example, occurs on leaves, stems and peduncles before flowering begins and affects plants with dark blue and purple flowers. Downy mildew, on the other hand, is a fungus that attacks the flowers, but also the ear, causing it to bend.

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