Persian stonecress (Aethionema grandiflorum) is a perennial with rosy-lavender flowers and grows to over 30 cm (1 foot). Lebanon stonecress (A. cordifolium) has rose-pink flowers on 10- to 25-cm (4- to 10-inch) plants. Fragrant Persian stonecress (A. schistosum) rarely reaches more than 30 cm in…
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