Extremely Easy to Grow Perennial Plants Dec 07, 2014 Looking for extremely easy perennials to grow in your garden? Here are some of the best to chose from:Achillea, Agastache, Ajuga, Alchemilla, Amsonia, Armeria, Athyrium, Bergenia, Calamintha, Chrysanthemum, Convallaria, Coreopsis, Corydalis, Dianthus, Dicentra, Euonymus, Matteuccia, Gaillardia, Galium, Geranium, Grasses-Ornamental, Calamagrostis, Chasmanthium, Erianthus, Festuca, Miscanthus, Panicum, Pennisetum, Phalaris, Schizachyrium, Helleborus, Hemerocallis, Heuchera, Hosta, Lamium, Leucanthemum, Liriope, Nepeta, Pachysandra, Paeonia, Penstemon, Perovskia, Phlox subulata, Rudbeckia, Salvia, Sedum, Sempervivum, Stachys, Stokesia, Verbascum, Veronica, Vinca, Yucca Share This Article