How to grow Lobelia? Cultivation methods and precautions
Lobelia, this flower is very pretty and beautiful, it is a very beautiful blue flower. Although its flowers are not large, the blooms are very abundant, and you can raise them in pots at home, buy them and grow them. How about this? Below, the editor introduces the cultivation methods and precautions for Lobelia, and I hope everyone likes them.
Lobelia cultivation methods
Pot and soil selection
When planting Lobelia, you need to choose loose, well-drained sandy soil rich in humus. Put the soil into a pot with a diameter of 10cm to 15cm, and add some base fertilizer. In the pot, you can plant 2-3 seedlings, so that when the Lobelia potted plant blooms, it will be fuller and more vigorous.
Light and temperature
Lobelia needs to grow in a long-day and low-temperature environment and bloom beautiful flowers. Lobelia is a long-day plant that needs long hours of light. Every day, it is necessary to give Lobelia sunlight for long periods. In winter and early spring, when the daylight hours are shorter, it is necessary to artificially supplement light for Lobelia to meet the flowering conditions and make it bloom earlier.
In terms of temperature, the suitable temperature for growing Lobelia is between 15°C and 18°C, and its cold tolerance is poor, and it is not heat-tolerant. When the weather is cold in winter, you cannot keep it indoors in winter, but be careful, Lobelia is not cold-tolerant, so as to avoid freezing.
Water and fertilizer management
In water and fertilizer management, achieve reasonable watering and appropriate fertilization. During the growth period of Lobelia, water once every 7 to 10 days, water thoroughly, and basically follow the principle of watering when dry and watering thoroughly. When fertilizing, it is necessary to fertilize according to the growth needs of Lobelia. During the growth period, in order to make Lobelia grow healthily, nitrogen fertilizer can be applied once a week to promote growth. Nutrients must also be added before flowering. When the temperature is low, fertilization can be gradually stopped.
Precautions for Lobelia propagation
Pinching the top
A simple method to control the plant shape is to pinch the top of Lobelia, pinch the top during the growth period, promote the growth of Lobelia side buds, more branches, and more flower buds.
Pests and diseases
During the growth of Lobelia, it is necessary to frequently observe the growth of the Lobelia plant. Using some fungicides and insecticides to control mold or red spider mites is good for the healthy growth of Lobelia.
Flowering conditions for Lobelia
When propagating Lobelia, it is necessary to maintain a long-day and low-temperature environment. Lobelia will bloom better. After meeting the growth environment for Lobelia, it will slowly mature, the leaves begin to become sharp, flower buds begin to appear, and it is ready to bloom.
When the Lobelia flower buds begin to differentiate, if its overall shape is not satisfactory, it can still be adjusted. At this time, some flower buds can be removed and fertilized for growth, and then it will slowly become a Lobelia with a better plant shape, so the flowering will be more ornamental.
If the flower bud differentiation phenomenon of Lobelia is different, a shaping method can also be used to make it bloom more and better.
Protection during the flowering period of Lobelia
In the early stage of Lobelia flowering, flower fertilizer can be applied to make the flowering effect better, and be careful not to make the concentration too high. Pests and diseases must also be prevented, and some fungicides and insecticides should be sprayed to prevent the occurrence of pests and diseases. In this way, it is possible to prevent pests and diseases from occurring during the flowering period and causing unnecessary trouble.
When flowering, pay attention to Lobelia and avoid rain, as rain will have an adverse effect on the overall shape of the flowers and is not good for plant growth.