112-119 days to maturity. Alcea rosea. Hollyhock Summer Carnival Mixture Seeds. Non-GMO, Annual or Biennial. Summer Carnival Mix hollyhock seeds promise to turn any stale flower bed into a sensational and eye-catching garden this season. Summer Carnival Mix seeds grow stunning hollyhocks boasting enormous 4-inch double and semi-double blooms in a mix of yellow, salmon, red, rose, orange, and white. Summer Carnival Mix hollyhock seeds are a breathtaking grow in the back of the garden, along a fence, or lining a house or garage. Summer Carnival Mix hollyhock is a hardy annual that thrives as a perennial in optimal gardens but will easily reseed itself each season for as long as you'll have it around. Approx 3,000 seeds per ounce.