花壇

1. Origins, structure, and basic meaning

• Structure: 花壇(かだん) is a noun for a plot set aside for growing flowers. Here, 花 is read か.
• Basic usage: It is used for flower beds near places such as stations or in gardens, and for tending their flowers.

2. Common pitfalls and similar expressions

• The scope of 庭 and 花壇
  • 庭(にわ) broadly refers to a yard or garden attached to a house or similar place; 花壇 refers to a flower-growing plot. 花壇に水をやる means watering the plants growing in that bed.