Yes, I agree the punctuation is not needed. With the stanza and line break the pauses are still there.
I was thinking you could drop the adjective altogether. It's clear the flowers mean a lot to him. He watches the children and the roses!
Is the speaker a soldier? I think of soldiers as mostly young people, and I can imagine a sizeable proportion of those who do end up in active combat waking up to its nightmarish absurdity. I wonder if this is from the perspective of an older soldier who has lived long enough to enjoy a hobby like butterfly collecting.