Answer: Euryops is a member of the Aster family and has a long bloom season, providing the spent flowers are regularly removed. You can safely prune back the stems which have already flowered. Doing so will help keep your plant neat and trim, and will encourage the production of new flowering shoots.
Euryops is native to South Africa, requiring much warmer winters than your New Jersey garden can provide. Consider it an annual, or prune it back in the fall and overwinter it in a protected place such as a garage, or in a cool indoor spot such as an unheated basement.
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