What are the plants in purple?

Wisteria, crape myrtle, perilla, etc.

1, wisteria: Wisteria is a creeping plant with hanging inflorescences and purple or lavender flowers.

Wei Zi: Wei Zi is a small tree or shrub with purple, pink or white flowers.

3. Perilla frutescens: Perilla frutescens is a perennial herb with purple or purplish red leaves.