Translation guide
The large yellow flower that turns toward the sun. In Japanese, the most common word is ひまわり, often written in hiragana or katakana. The kanji 向日葵 is also used but less common in daily life.
sunflower
Referring to the sunflower plant or its bloom in everyday conversation.
The standard word for sunflower. Used in most contexts, from gardening to gifts. Often written in hiragana, but katakana (ヒマワリ) is also common.
Sunflowers bloomed in the garden.
I received a bouquet of sunflowers.
The kanji form, literally 'facing the sun'. More literary or formal. Often used in poetry, brand names, or artistic contexts.
The sunflower is a symbol of summer.
Katakana version, often used in scientific or commercial contexts, or for emphasis.
I bought sunflower seeds.
Referring to the edible seeds, often as a snack or ingredient.
Literally 'sunflower seeds'. The standard way to refer to them.
Sunflower seeds are nutritious.
The cooking oil extracted from sunflower seeds.
Using 'sunflower' to describe something bright, cheerful, or sun-like.
The word ひまわり itself carries positive, summery connotations. Can be used metaphorically for a cheerful person or thing.
She's like a sunflower.
In casual writing, hiragana (ひまわり) is most common. Katakana (ヒマワリ) is often used in botanical or commercial contexts. Kanji (向日葵) appears in literature or formal names.