Dark mullein

An easily grown plant, it succeeds in most well-drained soils, including dry ones, preferring a sunny position[111, 200]. Dislikes shade and wet soils[124, 200]. Plants only really thrive when they are grown on chalky soils. Prefers a light soil. This species is fairly reliably perennial, but only when grown on light or medium soils. A very ornamental plant, it often self-sows[1, 111]. Hybridizes with other members of this genus, though the progeny are usually sterile. In garden design, as well as the above-ground architecture of a plant, root structure considerations help in choosing plants that work together for their optimal soil requirements including nutrients and water. The root pattern is fleshy. Thick or swollen - fibrous or tap root [2-1]. References Carbon Farming Information and Carbon Sequestration Information Temperature Converter Type a value in the Celsius field to convert the value to Fahrenheit: Celsius Fahrenheit: The PFAF Bookshop Plants For A Future have a number of books available in paperback and digital form. Book titles include Edible Plants , Edible Perennials , Edible Trees , Edible Shrubs , Woodland Gardening , and Temperate Food Forest Plants . Our new book is Food Forest Plants For Hotter Conditions (Tropical and Sub-Tropical) . Shop Now

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Seed - sow late spring to early summer in a cold frame and only just cover the seed. Germination usually takes place within 2 - 3 weeks. When they are large enough to handle, prick out the seedlings into individual pots and plant them out in late summer. The seed has a long viability. Division in spring. This plant is a short-lived perennial that grows away very well from seed, so we do not try and divide it.