Floribunda petunias, as compared to Grandiflora petunias, offer smaller blooms (2.5 to 3-inches), but more of them. Height 10-15 inches. Spread 10-12 inches. Please note the ‘Madness’ line of Floribunda petunias is replacing the ‘Celebrity’ series of Multiflora petunias. The habit and flower sizes for these two series are very similar. New for 2023: Hurrah Lavender Tie Dye.