Commelina communis (common name iris)

Don't forget me (Limonium sinense)

Morning glory (pink, pink purple and blue)

violet

The root of platycodon grandiflorum

Hyacinthus orientalis (Sky Blue Grape hyacinthus orientalis)

Blue tulip

Blue impatiens

clover

Lu Shengdan

Malan (spring flowers, blue flowers, 1-3 peanuts at the top of the flower stem. )

Blue Catharanthus roseus (blue pearls, blue flowers, white eyes. )

Corydalis tricolor (sky blue is blue). )

Bai Ying (flowers are blue or white)

Vitex negundo

Chinese wistaria

Tongquancao

Arnebia euchroma

light purple

Meconopsis (blue or purple flowers, single petals or racemes, terminal, yellow or light blue petals)

Fever-reducing Changshan

Commelina purpurea

Grass blue (also known as silver plum grass)

Sink vanilla

Blue-edged hydrangea (dark blue with blue or white flowers on the edge)

Tudinggui

Colored leaf grass

chicory

British red (so called because the seeds are red)

Hedyotis diffusa (different from Commelina communis)

Iris minor in China

etc ......