Fritillaria persica Narrow, bell-shaped flowers of rich plum purple, almost black, alternate up the stem, which can range from 1 to 4ft tall. They dangle above glaucous gray-green leaves. Plant this Fritillary with Narcissus 'Stainless' or 'Angelique' Tulips to provide a light backdrop for the spectacular dark bloom spikes. Fritillaria persica is a garden heirloom that dates to 1573.
7 perennials that bloom all summer : Campanula persicifolia Zones: Bloom time: June; then six weeks later. To prune: Snip spent flowers promptly, without removing developing buds. Good to know: In hot regions, this one fares best in partial shade.
The entire dandelion plant is edible. The leaves can be eaten as greens (in Spring - salads, later lightly sauteed with garlic), the flower can be used to make dandelion fritters and the roots can be dried and used as a coffee substitute.