 | Sweet William Catchfly Seeds (Silene armeria). Sweet William Catchfly is a showy, self-seeding annual flower native to Europe with blue-green leaves and a long succession of purplish-pink flowers from late spring into summer. Sometimes called Lobel's Catchfly or None-So-Pretty, it was established in American gardens by the 1820's. The 1804 broadside of Philadelphia nurseryman Bernard McMahon offered seed for both red and white forms.Sow seeds indoors 6-8 weeks before last frost at 70 degrees F. Transplant to cell-packs or small pots... - Sweet William Catchfly Seeds (Silene armeria). |