- You will get 1001+ Seeds of Catchfly Flower Seeds. - Seller Notes: “Silene armeria. U.S. Grown Seed. Tested 1/23-Germination 94%. Packed 1/23.”. - Planting Time: 10 Weeks. - Soil Type: Clay, Loam, Peat, Sand. - Life Cycle: Annual. - USDA Hardiness Zone (°F): 11 (40 to 50 °F). - Soil pH: Neutral. - Watering: Medium. - Sunlight: Partial Shade, Full Sun. - Catchfly aka (Drooping Catchfly-None so pretty) Easily grown from seed. Grows fast and will start blooming mid-summer and will bloom through fall. They are called Catchfly because the stems are covered in a sticky liquid that attracts and then catches flies and holds them. Great for planting around decks, patios, balcony's, etc. Pretty much a carefree plant once seedlings are established. Drought tolerant. A little shade through the day won't bother them at all. Does well in containers or the garden. 1000+Seeds per order. Thank you. - Silene armeria. - Annual. - Full sun/P. sun. - Spring, soil temp 70F+. - SOW- Press 3/4 seeds per plant into soil, don't cover, about 16"apart. Keep moist. - Germination 15-25 Days. - Medium water. Light fertilizer if needed. - Flowers are magenta. Blooms from mid-summer through fall.