Family: Apocynaceae

Scientific Name: Vinca minor Ralph Shuggert

Common Name: Ralph Shugert Vinca, Ralph Shugert Periwinkle

DescriptionA good ground cover plant for the shaded areas having variegated foliage and blue flowers.
Pronunciation(VING-ka)(MY-nor)
Plant TypeAll Plants, Groundcovers and vines
Hardiness Zone5-8
Sunlightgrows best in part sun, tolerates full if there is ample moisture (Z #5)
Moistureprefers moist, tolerates average, will get crispy in bone dry
Soil & Siteprefers rich, moist well drained, grows happily in average
TemperatureI have found in very harsh winters (hardiness Z #5) with little snow fall, there can be die back but the plants will quickly recover from the crown in the spring
Flowerssmall, five petal, solitary 1 inch, pale violet-blue, and funnel shaped flowers occurs in April
Leavesdark green glossy, evergreen, creamy white to white margins
Stemslong wiry stems, branches root as they creep out from the central crown
Dimensionsabout 6 inches high and spreads forever, slower growing than all green Vinca
MaintenanceOccasional shearing will help thicken the plant. Weeds should be at a minimum because of the plants thick growth
Propagationcuttings, division
Cultivar OriginIntroduced by Dave MacKenzie, Spring Lake, Michigan USA
Author's NotesI have seen fairly large beds of this Vinca and there seems to be less flowers. In moist, good soil this plant can be very aggressive. In poor, dry soils the rate of spread slows down appreciatively.
Notes & Reference#01-Manual of Woody Landscape Plants (Michael Dirr) #68-Groundcovers for the Midwest (Voight, Hamilton,Giles)
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