Do Balloon Flower plants need deadheading & how? The entire dead bloom?
Once the flower has bloomed & is finished, should it be removed from the plant?
Yes, you can take these dead flowers off at any time. Just remove the stem close to the soil level. This article will give you more information on the care of these: https://www.gardeningknowhow.com/ornamental/flowers/balloon-flower/growing-balloon-flowers.htm