Soursop Tree Seeds 200 Count for 2026 2027 Planting Guanabana Trop Mother Nature How To Make a Moss Dish Garden Modern White Outdoor Planters, Plant Pots, Box. White Tall, Large Fiberglass and White Metal Pots for Outside Plants, Trees. Entryway NMN Designs Getting double blooms with lots of petals I think direct seeding zinnia seeds can help (right into the soil outside), but I oftentimes start them in trays because I find that easier.