Although hollyhock can stand half shade environment, it also likes sunshine very much. It is suitable for growing in a place with plenty of light. If it is maintained indoors, it is better to put it in a place with good light, so as to ensure good growth.
There is not too much fussy about the soil quality. It grows well in loose, nutritious and well drained soil, and it can also provide a suitable foundation for growth. It can't be cured in clay and heavy plate soil, or the water will be easily accumulated.
Hollyhock likes cool climate, and the most suitable temperature for growth is 25-30 ℃, in this range, it grows better. It can't stand the hot climate, can stand the cold, and can safely spend the winter in North China.
As far as moisture is concerned, we only need to make sure that it is dry and wet. Usually pay attention to watering, keep the soil moist, but it is afraid of waterlogging, watering must not be excessive. Water properly during the flowering period, so as to prolong the flowering period and ensure the number of flowers.
The time of fertilization should be well controlled. Before flowering, it is combined with weeding and topdressing for 1-2 times. The topdressing is mainly composed of phosphorus and potassium elements. In the growth stage of seedlings, nitrogen was the main fertilizer. After flower bud formation, it is necessary to apply P and K fertilizer.