When it comes to watering cardinal flowers, it is important to consider the specific needs of these plants. Cardinal flowers typically thrive in moist soil conditions, so it is crucial to ensure they receive adequate moisture to support their growth and health.
During the first month after planting, it is recommended to water the cardinal flowers twice a week if there is no rainfall. This frequency helps establish the plants and provides them with the necessary moisture for initial growth. However, if there is sufficient rainfall during this period, you may not need to water as frequently.
After the first month, once the cardinal flowers have become established, you can reduce the frequency of watering to once a week. This is because the plants will have developed a stronger root system and should be able to tolerate slightly drier conditions.
It is important to closely monitor the soil moisture levels to determine when watering is necessary. Cardinal flowers prefer consistently moist soil, but they do not tolerate waterlogged conditions. To help retain moisture in the soil, applying a 2- to 3-inch layer of mulch around the plants is highly beneficial. Mulch acts as a barrier, reducing evaporation and helping the soil hold onto moisture for longer periods.
In terms of the timing of watering, it is generally recommended to water cardinal flowers in the morning. This allows the foliage to dry out during the day, reducing the risk of fungal diseases. Watering in the evening or at night may keep the foliage damp for an extended period, which can create favorable conditions for diseases.
As the cardinal flowers bloom and the flowers begin to fade, it is a good practice to snip out the flower stem just above the leafy area. This deadheading process helps redirect the plant’s energy towards producing more blooms and foliage, rather than diverting resources to seed production.
Watering cardinal flowers twice a week in the absence of rainfall during the first month is beneficial for their establishment. Afterward, watering once a week throughout spring and summer should be sufficient. Remember to keep the soil consistently moist but not waterlogged, and apply a layer of mulch to help retain moisture. snipping out the faded flower stems promotes more prolific blooming.