The family of fall-friendly flowers includes hardy annuals as well as biennials and perennials. Keep in mind that 25 degrees Fahrenheit seems to be the point at which even the boldest bloomers may ...
However, all is not lost, as some perennials can be trimmed in August to encourage one last flush of late flowers to enjoy. Whether or not cutting back this month means fall flowers will depend on ...
Some perennials (like hosta) quickly decline after a hard frost, so I cut them back in fall as they flatten to the ground. I have a large planting of hosta under an oak tree at home that I do not ...