Dianthus plants are known for their beautiful and fragrant flowers, and they can tolerate a light frost without much trouble. However, they are not fans of deep freezes, so it’s important to protect them if temperatures are expected to dip below 40 degrees Fahrenheit.
One way to protect dianthus plants from frost is by covering them with a frost blanket. This can help to insulate the plants and prevent damage from the cold. It’s best to cover the plants in the evening before temperatures drop, and remove the blanket in the morning when the sun comes out.
In my personal experience, I have found that dianthus plants can be quite resilient in slightly colder temperatures. I have seen them withstand light frosts without any noticeable damage. However, when the temperature drops significantly below freezing, the plants can suffer and may even die.
It’s also worth noting that dianthus flowers can go dormant in consistently hot summer temperatures above 85 degrees Fahrenheit. This means that they may stop blooming and appear less vibrant during periods of intense heat. However, once temperatures cool down, the plants will often bounce back and begin flowering again.
To summarize, dianthus plants can tolerate a light frost but don’t do well in deep freezes. It’s best to cover them with a frost blanket if temperatures are expected to dip below 40 degrees Fahrenheit. Additionally, they can go dormant in consistently hot summer temperatures above 85 degrees Fahrenheit. Overall, it’s important to be mindful of the temperature extremes that dianthus plants can handle to ensure their health and vitality.
