When Do You Harvest Sunflower Seeds? PHILODENDRON AND MONSTERA CARE Jordan's Jungle Blue Flax Wildflower Seeds: Bulk Flower Seeds Linum lewisii Collecting Crossandra seeds.., To collect Crossandra (Kanakambaram) seeds, let flowers fully mature and dry on the plant until seed pods are brown and brittle; , Then, carefully open the Monstera adansonii help! Flowering Succulents We Recommend