- You Will Get 1000 Seeds Of Tall Catchfly (Campion / None So Pretty) Silene Armeria Pink Flower Seeds. - Description: - Name: Tall Catchfly. - Other Common Names: Campion / None So Pretty / Garden Catchfly / Sweet William Silene. - Scientific Name: Silene Armeria. - Color: Pink. - Plant Seeds: Outdoors After Frost / Indoors Weeks Before Last Frost. - Plant Height: 24 - 36". - Plant Spacing: 6 - 9". - Bloom Time: Jun – Oct. - Hardiness Zone: N/A (But Reseeds Itself Easily, So It Acts Like A Perennial In All Zones). - Light Requirements: Sun - Part Shade. - Soil & Water Preferences: Any Moist – Dry.