These double-flowered Zinnias that will be the envy of the neighbourhood. It’s waiting to transform your sunny garden into a sea of brightest red or orange! Blooms are 6 cm (2 Â½ in) wide, and they pop up all over super-compact plants, drawing bees and butterflies into the garden. Zinnias are one of the easiest flowers to grow with the most return! Ht 30 cm (12 in). With a 30 cm (12 in) spread.