1. Appearance difference: Rapeseed flowers have yellow flowers with four petals. The flower diameter is generally 2-4 cm. The petals are shiny and the flowers are dense and clustered; while the flowers of broad bean flowers are white. Or light pink, with five petals, the flowers are slightly larger, generally 3-5 cm in diameter, the petals are thick, and the flowers are solitary or a few flowers are gathered together.

2. Growth environment: Rapeseed flowers generally grow in warm spring and autumn, requiring higher temperatures and sufficient sunshine. They are suitable for growing in places with sufficient sunshine, fertile soil and good drainage; broad bean flowers are more It likes a cool climate, is suitable for growing in a cooler and humid environment, and has relatively low soil and moisture requirements.

3. Difference in use: Rapeseed flowers are generally grown as ornamental plants, and can also be used in the production of rapeseed to extract rapeseed oil; while broad bean flowers are generally not grown as ornamental plants, and are mainly used as broad beans. of seed plants that provide broad bean seeds.