To provide a set for flower arrangement having characteristics of surely preventing a natural flower during the conveyance from a cultivation farm and a natural flower during the storage at the storefront of a flower shop from wilting, well retaining the state of the natural flower arranged in a vessel over a long period without regard to the inside and outside of a house and a change in atmospheric temperature without disturbing or losing the form of the beautifully arranged natural flower even by receiving a wind or the like.

This set for flower arrangement is composed of a herbaceous flowering plant 1 with a root, a holding member 2 having water and air permeabilities for holding the herbaceous flowering plant 1 with the root and a vessel 3 for arranging the herbaceous flowering plant 1 with root. The set is further composed so as to enable the fixing of the herbaceous flowering plant 1 with the root in the vessel 3 with the holding member 2 and closing of an upper opening 3a of the vessel 3 when holding the herbaceous flowering plant 1 with the root with the holding member 2 and arranging the held herbaceous flowering plant 1 with the root into the vessel 3.