Classical poems often use 'zhuhua' as a metaphor for beautiful things.
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朱华 famously appears in Cao Zhi's 曹植 poem 《公宴》: 秋兰被长坂，朱华冒绿池 (autumn orchids cover the long slope, red blooms rise above the green pond) - where 朱华 specifically refers to lotus flowers.
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Purely literary/classical. In modern Chinese, say 荷花 for lotus or 红花 for red flowers. 朱华 is also used as a personal name playing on these poetic associations.
