![]() ![]() Offsets can also be purchased by mail order from specialist nurseries in order to initially build up a stock of plants. The original plant will quickly recover, and each piece can be replanted with the growing points just below the soil surface, and will quickly grow into new plants. This removes the crown, which can then be split into pieces. The gardener can produce "offsets" from mature, strongly growing plants by driving a spade horizontally through the leaf clumps about 7 cm (2.8 in) below the soil surface. JSTOR ( May 2018) ( Learn how and when to remove this template message)īocking 14 is sterile, and therefore will not set seed (one of its advantages over other cultivars as it will not spread out of control) thus, it is propagated from root cuttings.Unsourced material may be challenged and removed. Please help improve this article by adding citations to reliable sources in this section. This section needs additional citations for verification. Hills, the founder of the Henry Doubleday Research Association (the organic gardening organization itself named after Henry Doubleday, who first introduced Russian comfrey into Britain in the nineteenth century) following trials at Bocking, Essex. The Russian comfrey 'Bocking 14' cultivar was developed during the 1950s by Lawrence D. Russian comfrey ( Symphytum × uplandicum) Flowers of Russian comfrey Cultivation peregrinum) – Russian comfrey, healing herb, blackwort, bruisewort, wallwort, gum plant ![]() Symphytum grandiflorum – creeping comfrey.Symphytum caucasicum – Caucasian comfrey.Symphytum brachycalyx – Palestine comfrey.Symphytum asperum – prickly comfrey, rough comfrey.They are not to be confused with Andersonglossum virginianum, known as wild comfrey, another member of the borage family. × uplandicum, are used in gardening and herbal medicine. officinale, Symphytum grandiflorum, and S. Some species and hybrids, particularly S. Symphytum is a genus of flowering plants in the borage family, Boraginaceae, known by the common name comfrey (pronounced / ˈ k ʌ m f r i/). ![]()
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