Translation guide
In Japanese, the fragrance of flowers is commonly expressed with the noun 花の香り (hana no kaori) or the compound 花香 (hanaka). The choice depends on context and register.
fragrance of flowers
To refer to the pleasant smell of flowers in general.
The most common and natural way to say 'fragrance of flowers'. 香り (kaori) specifically means a pleasant scent.
The fragrance of flowers is drifting in the garden.
A more literary or poetic compound meaning 'flower fragrance'. Often used in writing or product names.
The season of flower fragrance has arrived.
匂い (nioi) is a more neutral or sometimes less pleasant smell. Use with caution as it can imply a strong or possibly unpleasant odor.
匂い can sound less elegant than 香り. Prefer 香り for pleasant floral scents.
The smell of this flower is a bit strong.
To name the fragrance of a particular flower.
Attach の香り to the name of any flower to mean 'the fragrance of [flower]'.
I like the fragrance of roses.
The fragrance of cherry blossoms is faint.
Use only when the smell is strong or not necessarily pleasant.
The smell of lilies fills the room.
To describe flowers that have a fragrance.
香り (kaori) is used for pleasant, often subtle scents like flowers, perfume, or nature. 匂い (nioi) is more neutral and can refer to any smell, including food, body odor, or strong scents. For flowers, 香り is almost always the better choice unless the smell is overpowering or unpleasant.
Enjoy the fragrance of flowers.
There's a smell of garbage.