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Is Argyranthemum frutescens ‘Supalight’ Perennial?

Argyranthemum frutescens (marguerite daisy) is perennial only in zones 10–11 (coastal Southern California, South Florida, extreme south Texas). In zone 9 it may die back and resprout; elsewhere it’s grown as an annual. The woody stems indicate maturity, but cold winters will kill it. Treat as an annual or overwinter indoors in colder zones.

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