Verbena salicifolia is not very demanding on soil, but it needs to be planted in soil with good ventilation and drainage.Avoid continuous cropping, otherwise it will lead to the degradation of varieties and slow growth, affecting their ornamental value.
It likes warm environment, 20-30 is the most suitable temperature for its growth.It is not cold-resistant and grows slowly below 10 C.In winter, the cultivation needs to be in the greenhouse, and the minimum cultivation temperature should not be lower than 0 C.
It needs all day light and cannot grow in shade.Cultivation in half-day or shaded areas can lead to poor growth and slow growth rate.
Topdressing should be applied in time according to the growth condition.Fertilizer can be prepared according to the ratio of decomposed cake fertilizer to diluted feces of about 1:20, and low-concentration compound fertilizer can also be used.
It can tolerate drought, but a more humid environment is good for its health.Medium amount of water is needed in the early stage of cultivation.Daily watering should be controlled once every 4-5 days, and the soil should not be too wet.During the rainy season, attention should be paid to drainage to prevent root rot and death.
1. Other weeds should be removed in time, but no herbicide should be sprayed.
2. Chemical pesticides such as fenaminosulf, methyl parathion and carbendazim can be used to control diseases and pests.