![]() ![]() On the whole it is a very useful plant that would bring considerable joy to gardeners, especially where an attractive solid stand of a highly shade tolerant groundcover is wanted. The catch is that it must be contained (or perhaps diligently deadheaded). For the very patient or the free spender it makes a great groundcover for the shade. What has been exciting to me is that it is both attractive and very successful at developing a dense stand under the heavy shade of a sugar maple and a massive Norway spruce. By the way the web site for the German nursery Lorenz von Ehren says that prompt deadheading will slow its spread. I fear it would insinuate itself into most anything herbaceous, although I imagine larger plants could readily grow through it. It would not be very compatible with mixed perennial plantings. So now after a decade it has reached the boundaries of where I want it to be, but I find it does not come with an off switch. ![]() Inexorable would be a better description for its slow but relentless spread throughout a suitable growing site. An issue over its proper name may be one reason. Curiously, a Google search brings up mostly sites outside of the U.S. I am just coming off about a ten year honeymoon with the plant where everything it did pleased me, so I am surprised at how little is seems to be known and offered. Dig up half and fill the hole left with compost or a compost and soil mix. Insert a spade across the middle of the plant and cut straight down, splitting the plant in two. This is NOT the comfrey that most people know.) It is one of those plants that is both exceptionally useful and a nuisance to get rid of. Split a plant into halves Washing Split Comfrey Plant Choose a strong mature plant and start by loosening the soil to one side with a fork. This Boraginaceae has got a maximum height of approximatly 60 centimetres. ![]() Symphytum azureum (The common name (comfrey) is very misleading. The Symphytum azureum is also known as Comfrey. This October 24th picture demonstrates the ability of Symphytum azureum to grow through thick mulch and for its leaves to persist well into the fall. ![]()
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