If you have had to replace plants that were lost in the hard freeze, you know winter weather can easily ruin a garden. Want to take the work and the worry out? You can select cold-tolerant plants that are not likely to be damaged or destroyed by winter weather. The following selection of cold-hardy perennials thrives in even the coldest USDA planting zones.

Achillea, Adenophora, Aegopodium, Ajuga, Alcea, Alchemilla, Amsonia, Anchusa, Anenome sylvestris, Anthemis, Aquilegia, Arabis, Armeria, Artemisia, Aruncus, Asclepias, Aster, Athyrium, Aurinia, Baptisia australis, Bergenia, Brunnera, Campanula, Cerastium, Chasmanthium latifolium, Convallaria, Delphinium, Dicentra, Echinops, Eupatorium, Gaillardia, Gypsophila, Helictotrichon, Heliopsis, Hemerocallis, Hosta, Houttuynia, Iberis, Iris (Siberian), Iris (Tall Bearded), Lamium, Lathyrus, Liatris, Lobelia cardinalis, Lychnis, Matteuccia, Myosotis, Nepeta, Oenothera missouriensis, Papaver, Penstemon, Peony (Garden), Phalaris, Phlox subulata, Platycodon, Polemonium, Polygonatum, Pulmonaria, Salvia, Saponaria, Schizachyrium, Sedum, Sempervivum, Sporobolus, Tanacetum, Thalictrum, Thymus, Tradescantia, and Trollius.