84-91 days. Silverdust Dusty Miller seeds offer a quaint and unique addition perfect for many gardens prone to heat and drought across the country. Silverdust seeds grow neat 8-10" tall shrubs of frosted white that are popularly grown to accent walkways, borders, and patios. Silverdust Dusty Miller is native to the warm Meditteranean and will thrive all summer in similar temperate climates. Silverdust seeds blend well with lavenders, plectranthus, and other similar blooms and are sure to dazzle all the way up to the frost. 1000 pelleted seeds.