- You Will Get 50 Seeds Of Pelleted Petunia Double Madness Rose Star Flower Seeds. - This is 50 pelleted Double Madness petunia seeds. - This series is the same as the original Madness series and these double petunias look great in pots, baskets. - Compact plant delivering masses of big 3" flowers all summer long. - Double Madness petunias come back quickly after rainstorms. - With great disease tolerance double floribunda petunias are rapidly gaining popularity across the country.