Periwinkle is also called vinca or myrtle. Of the 12 species of periwinkle, two are popular groundcovers. All species have opposite leaves and single flowers. The perennial periwinkle should not be...
Join our mailing list to receive the latest updates from HGIC.
Annuals April beneficial insects Blog Blogs Bulbs Control cottage food law COVID-19 December Deciduous Diseases Evergreen Fall February Fertilizing food law hot topic Insects IPM Irrigation January June March May Mixed screens Native natural enemies November Perennials Planting poison ivy poison oak Pollinator garden Propagation Pruning Rain garden Recipe Semi-evergreen September Shrub maintenance Spanish Tree maintenance Vegetables Weeds