The flowers are bright fire-engine red, and they pop against the plant’s dark green foliage. Since ‘Double Red’ is a tropical ...

Hibiscus acetosella ‘Red Shield’ is a commonly available plant with iridescent, maroon-burgundy leaves. The flowers are red ...

Hibiscus contains anthocyanins, which are pigments that give the flowers their vibrant red colour. It also has flavonoids, phenolic acids, and organic acids. Many of these compounds act as ...