25 seeds. Aethionema grandiflorum Perennial in zones 5-8. 
 
Persian Stonecress.
Height 10 inches. Spacing 12 inches.
 
Sowing Aethionema grandiflorum Seeds
 
Start seeds indoors in late winter. Barely cover the seeds with soil, then refrigerate for 3 weeks. Full sun. Well-drained soil.