French marigold; Tagetes patula
Most common meaning; refers specifically to the French marigold. Often written in kana.
See also: マリーゴールド
I planted French marigolds in the garden.
plains coreopsis; Coreopsis tinctoria
Less common; refers to a different plant species. May be encountered in gardening or botanical contexts.
See also: ハルシャギク
Plains coreopsis is also called ハルシャ菊.
northern maidenhair fern; Adiantum pedatum
Rare botanical use; refers to a fern, not a flowering plant. Usually called 孔雀羊歯.
See also: クジャクシダ
孔雀草 can also refer to a type of fern.
Standard name for northern maidenhair fern; 孔雀草 is a less common synonym.
Kanji spelling used for all senses; the plant name is often written in kana, but the kanji form is recognized.
Katakana spelling used in botanical contexts or for emphasis.
Literally 'peacock grass', from 孔雀 (peacock) + 草 (grass, plant). The name likely refers to the showy appearance of the flowers or foliage.