The Hardiest of Hardy Perennials. Generally speaking, a plant is classified as a perennial if it can survive to Zone Above that range, plants become tender perennials or annuals. For the purpose of this article, we will only consider the "hardiest" of
Artemisia: Artemisia has beautiful silver-gray foliage that won’t fade in the hot sun. This hardy perennial is also drought and insect resistant, Height varies by variety and can range from 3 feet tall to just 5 inches.
'Silver Shimmers' lungwort (or pulmonaria) likes moist, rich, well-drained soil in shade, and grows 1 to 2 feet tall and wide. Give it a site with good air circulation to prevent mildew. It bears blue flowers in spring.
Top New Perennials for Sempervivum Chick Charms 'Gold Nugget' Owning this sempervivum really is like striking gold. 'Gold Nugget' is the world's first gold foliaged sempervivum! A part of the new Chick Charms series of collectible sempervivums, it