These include European columbine ( Aquilegia vulgaris ), forget-me-nots ( Mysotis scorpioides, not the M . sylvantica usually sold in garden centers ), Asian bleeding heart ( Dicentra spectabilis ), spurge ( Euphorbia polychroma ), feverfew, lungwort ( pulmonaria ), and foxgloves ( Digitalis purpurea ).
22.
These heirloom plants converted me to old-fashioned cottage garden perennials that seed themselves around so I don't have to plant or divide them, including butterfly weed, European columbine ( Aquilegia vulgaris ), heliopsis, globe thistle, big foot geraniums ( G . macrorrhizum ), wild foxgloves ( Digitalis purpurea ), feverfew ( Tanacetum parthenium ), and " Mrs . Moon " lungwort ( pulmonaria ).
23.
Because a plant must be 9 months old to flower, Keller plants the seeds in mid-July, spreading hundreds of them over a barren 4-by-7-foot germination bed . ( These are the seeds of Digitalis purpurea, which produces a range of bloom colors from white to purple; he buys other seeds that will produce single colors . ) The soil, which he's amended, must be kept evenly moist.
