Answer: In your warm summer area Agapanthus will need some shade from hot afternoon sun. As the flowers age you should cut off the entire flowering stem and a new one will be produced. If you just cut off the flower and leave the stem it will eventually die down on its own. I prefer to keep the spent flowering stalks cut down to foliage level. As long as you deadhead the plants, they should continue to flower for you all summer long. Enjoy your plants!
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