Creeping or scrambling perennial, herb, to 0.5 m high. Fl. blue, Jan to Dec. Cultivated & naturalised in disturbed areas.
Alternative Names. Large Periwinkle, Greater Periwinkle.
General Biology. Growth form. Herb. Life form. Perennial. Reproduction. Stem fragments, stolons. Dispersal. Soil, machinery, water. Seedbank persistence. Seed rarely matures.
Additional information. Origin. Mediterranean.
Suggested method of management and control. Hand pull small infestations, being careful not to leave stem fragments behind. Spray larger areas with 2 % glyphosate + Pulse® 2 mL/L; spray when plants have approximately 5 cm new growth in 8-12 weeks - repeat applications will be required. Read the manufacturers' labels and material safety data sheets before using herbicides. For further information consult the Australian Pesticides and Veterinary Medicines Authority to determine the status of permits for your situation or state.
Legend: Y = Yes, regularly, O = Occasionally, U = Uncertain, referred by others but not confirmed.
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