Delaware Valley Chapter of the North American Rock Garden Society
Pulsatilla vulgaris 'Heiler Hybrid', Epimedium versicolor 'Sulphureum', Pulmonaria cv., Phlox subulata 'Ellie B.', Bukiniczia cabulica, Mertensia virginica, Arabis alpina


Places to Visit

Seed Starting

Germination Guide from Ontario Rock Garden and Hardy Plant Society

Seed Germination Theory and Practice, First Supplement, and Second Supplement: these invaluable books by Norman Deno are now available free online!

Garden Walk and Talk has extensive information on germination of seeds of perennials and penstemons.

Helleborus thibetanus

Tibetan hellebore (Helleborus thibetanus) in a shade garden. Photographed in Philadelphia in mid-February.