Can I Root Petunia Cuttings in Water? A Complete Guide Posted on July 8, 2023April 18, 2026 By Maggie Poissant No Comments on Can I Root Petunia Cuttings in Water? A Complete Guide Plants & Flowers, Flower Good news, gardeners! You absolutely *can* root petunia cuttings in water to easily propagate these beautiful blooms. Get ready to multiply your petunias with our simple, step-by-step guide!