Silver sage makes a large rosette of fuzzy, silver-green leaves. The following year, it blooms with tall spikes of large, white flowers. Some people cut out the flowering stems to keep the leaves looking fresh.
Salvia argentea is a great foliage plant. Place it near the front of the border where the leaves can be admired. I like it as a substitue for Lamb's Ears when I don't want something that spreads. Hardy biennial in zones 5-9.
height 3', width 18"
For sowing instructions and more information, see Salvia Seeds.