18 Gauge Aluminum Craft Wire, 165 Feet 1mm Bendable Metal Wire for Jewelry Making, Sculpting, Floral Making, Wreath Making, Crafting, Wire Wrapping, Christmas Ornaments (Silver)

For the stem I use an 18 gauge wire and for the flowers I use this one: https://a.co/d/0eyu0sOx You want it very flexible so look for armature wire on amazon. The one I use I can attest doesn’t rust and lasts for years. I’m making an orchid plant but I’ve made bouquets for friends for their weddings and it’s lasted for all these years!