Dahlia is a very beautiful bulbous plant, and there are many cultured flower friends. Comparatively speaking, it belongs to a very good plant.
1. Soil: the selected soil must be loose and fertile sandy loam, which has strong capacity of fertilizer and water conservation and good drainage capacity.
2. Light: Dahlia needs to be cultivated in full light. It has sufficient requirements for light. The shaded environment is not conducive to its growth and flowering.
3. Temperature: the growth of Dahlia needs cool temperature, which is not conducive to its growth below 10 ℃ or above 30 ℃. The ideal growth range is between 15 ° C and 25 ° C. if the temperature is higher than 20 ° C, attention should be paid to prevent unnecessary influence of high temperature on it.
4. Drainage: drainage should be done at any time in summer, because rainfall is often more, sometimes more suddenly, its roots are afraid of ponding, so once there is strong rainfall or long-term rainfall, we must do drainage work for the cultivation environment.
5. Fertilizer: dahlia in the growth process of fertilizer requirements are relatively high, generally in the growth period every 10 days to apply a thin liquid fertilizer on the line.
