Generally speaking, white flowers express mourning, white chrysanthemums, Bai Baihe and calla lilies are more suitable for grave-sweeping, while white roses, gardenias, Bai Lianhua or plain flowers symbolize regret and nostalgia. Others like simple and tough plants, such as Pinus bungeana, gladiolus and weeds. Yellow flowers can also express condolences, among which Huang Juhua is the most common one.

White chrysanthemum:

Bai Baihe:

Calla lily:

White rose:

Gardenia:

Bai Lianhua: