SWEET WILLIAMS ARE AN OLD-TIMEY PERENNIAL, A MEMBER OF THE DIANTHUS FAMILY. THE SWEET WILLIAM PLANTS GROW IN NEATLY SHAPED CLUMPS COVERED WITH BLOOMS THAT LAST ALL SUMMER TIL FROST. THEY’RE EASY TO GROW FROM SEED, PREFER A LOCATION WITH WELL DRAINING SOIL. PLANT SWEET WILLIAM SEEDS IN FULL TO PARTIAL SUN. IN MOST PLACES IN THE USA, BLOOMS WILL APPEAR THE FIRST YEAR. IN COLDER CLIMATES ONLY FOLIAGE WILL GROW THE FIRST YEAR, BLOOMS FOLLOW IN THE SECOND SEASON.