Some of watercolour tutorials are done using the computer while others are done with paint and brush in hand. I tried to find some that start with the basics to others that are a bit more advanced, but still doable for beginners.
Kids art. Drawing lessons for beginners - A PEACOCK
State Flowers Photo Gallery: Alaska State Flower - Forget-Me-Nots
Watercolor floral set by twins_nika on Creative Market
Watercolor Design Kit. Pink & Orange by Switzergirl on Creative Market
20 Delicate Colorful Watercolor Flower Painting Tutorials In Images-HOMESTHETICS (1)
Paint Watercolor Flowers in 15 Minutes with this detailed tutorial! | A Piece of Rainbow