Perennials for Polluted Air
The following list gives some suggestions of perennials that can tolerate growing in areas with high levels of air pollution:
- Aconitum napellus (Common monkshood)
- Aquilegia vulgaris (Common columbine)
- Bergenia cordifolia (Elephant's ears)
- Dicentra eximia (Fringed bleeding heart)
- Dicentra formosa (Bleeding heart)
- Euphorbia amygdaloides (Wood spurge)
- Geranium endressii (Endress's crane's-bill)
- Helleborus niger (Christmas rose)
- Helleborus orientalis (Lenten rose)
- Hemerocallis (Daylily)
- Heuchera (Alumroot)
- Hosta (Plantain lily)
- Iris
- Lamium (Dead-nettle)
- Leucanthemum × superbum (Shasta daisy)
- Libertia grandiflora (Libertia)
- Polemonium (Jacob's ladder)
- Polygonatum (Solomon's seal)
- Pulmonaria (Lungwort)
- Rudbeckia (Black-eyed Susan)
- Sedum spectabile (Ice plant)
- Sedum telephium (Orpine)
- Sisyrinchium striatum (Sisyrinchium)
- Smilacena racemosa (False spikenard)
- Symphytum (Comfrey)
- Thalictrum (Meadow rue)
- Tiarella
- Veronica gentianoides (Speedwell)
- Veronica spicata (Spiked speedwell)