Kintsugi pot adds metallic charm to balcony garden

This kintsugi pot adds a bright metallic shine to the balcony garden. Here I’ve planted this long-blooming flower. I like the pink-red flowers, which have bloomed for months. Kintsugi, which is the decorative repair of usually old pottery, is a specialty of my teacher at Shiho ceramic studio.
I don’t know the name of this plant, and frankly bought it as “filler.” The husband thinks that “filler” is a harsh name, but don’t most gardens also rely on having a few plants purchased for their immediate appeal with minimal money and thought? Since it’s thrived so long, I should probably learn its name.
Update: The Japanese name is Seroshia (セロシア), and it’s called Celosia argentea, plumed cockscomb, and Prince of Wales Feathers and Flamingo Feathers.
These flowers look gorgeous! Are they fluffy to touch?
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