This plant can bloom for about six weeks during the summer, to keep mullein blooming, deadhead the spent flowers. Verbascum Deadheading Guide. Should I deadhead my verbascum? The simple answer is yes. It’s always a good idea to deadheadmulleinplants for a couple of important reasons. A plant-based page rather than our usual topic-based page. It's a pivot point, one list of links to ours and others' articles that involve mulleins. DeadheadingMulleinPlants – Should I Deadhead My Verbascum Flowers. Mullein is a plant with a complicated reputation. To some it is a weed, but to others it is an indispensable wildflower. Where to Plant. Planting Tips. Care. Pests and Problems. Propagation. Types. Companion Plants. FAQ. Mullein - Identify Mullein is a biennial plant which means it flowers in its second season. In its first season, mullein forms a basal rosette of silvery green leaves. MulleinPlanting Information. Planting Method: transplant or direct seed. When to Plant: late summer. Planting Depth: 1/16". Seed Spacing: 8-12". How to Care for Mullein. Watering MulleinPlants. This plant doesn’t have high water requirements. When it starts to flower, you can increase the watering slightly. Mulleinplant care in apartments requires a few adjustments. This fuzzy-leafed biennial herb (Verbascum) loves sun and dries conditions, so growing it indoors. Mrs. Sherman Powlowski. DeadheadingMulleinPlants – Should I Deadhead My Verbascum Flowers. Mullein is a plant with a complicated reputation. To some it is a weed, but to... To give them enough room to spread out, space plants about 2 feet apart. Deadheading: To encourage continuous blooming, it is important to deadheadmullein. Discover mullein, a hardy biennial herb with soft leaves and sunny blooms. Learn how to grow, harvest, and use this traditional respiratory-support plant. In addition to providing the appropriate care for mullein during the blooming season, gardeners should also be sure to deadhead the plant regularly. Deadheading is the process of removing...