Perennial of the Month-- July 2007
(ger-A-knee-um FAY-um) (pronunciation at link, turn up volume if too low)
Common name: Mourning widow perennial geranium, dusky cranesbill
Family: Geraniaceae, Geranium
Height x width: 12-24" x 12-18" (flowers to 30" high in ideal conditions)
Growth rate, habit: moderate, upright dense mound
Foliage: a main attraction of this cultivar is the brownish-purple blotches that surround the base of each lobe; generally circular outline widely cut into 5-7 lobes with scalloped edges, coarsely toothed, mature leaves 3-5" across
Flowers: reflexed, dark reddish-purple in late May to early June (zone 4); pistil and stamens are exserted, 1-1 1/2 inch wide with 5 petals, single on axillary peduncles
Hardiness: USDA zones 3-8
Soil: well-drained, tolerates drought once established due to thickened roots
Light: sun to part shade, tolerates shade
Pests and problems: none significant; reported have been leaf spots, rusts, powdery mildew, mosaic virus, Asiatic garden beetle, four-lined plant bug
Landscape habit, uses: borders, woodlands, rock gardens; combines well with globeflower, daffodils, avens, purple-leaved bugbane, facing purple-leaved shrubs such as weigela and ninebark
Other interest: selected by Elizabeth Strangman of Washfield nursery in the U.K and introduced in 1990; originally from Croatia (formerly Yugoslavia), where it was a natural variant growing in damp woods; named after the Croatian town of Samobor; sometimes listed under var. phaeum; sometimes misspelled Samobar; dark often pointed downward flowers suggest a "widow in mourning:
Other culture: may self seed in warm climates, in which case and if not desired remove flower stalks after bloom; seedlings will be true unless other varieties of the species nearby with which it can cross; in hot climates it can get floppy, in which case shear back half way after flowering for regrowth
Propagation: seeds, divide in early spring
Sources: specialty perennial nurseries local, mail order, and online, Geraniaceae.com