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Coryline Australis Help
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Posted by knitknac (My Page) on Tue, Mar 6, 07 at 13:34
Hi there, This is my first post on this forum and I could do with some help please .
My Parents have a large Cordyline Australis growing in their front garden it's about 30ft tall and a gorgeous specimen . It is growing close to a garden wall ( and has been there for 13 years) and I'm just wondering if this will cause any problems to the wall, I have seen them growing against houses and I have heard they have long tap roots that go downwards so I'm hoping this should be safe to be close to the wall, any information on this would be much appreciated and if there is a website with the information that I can show them even better .
Thanks in advance .
Linda |
Follow-Up Postings:
RE: Coryline Australis Help
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| Cordyline is a lily and has the 'usual' spreading roots of many lilies. They can be somewhat 'hungry' plants and can make a droughty patch. They do not have heaving roots, though. Therefore, the ground under the wall might dry out, particularly if it is on a clay soil, and cracking could occur, but it is unlikely that the cabbage tree would bowl it over. The greatest hassle would be leaves in the lawn mower... |
RE: Coryline Australis Help
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Cordylines are interesting plants adding structure to the garden although sadly in the UK not all are fully hardy.
The main concern I would have is if the plant is 30 ft it must have a reasonable root spread to stop the wind toppling it over. If so there is always the chance roots spreading under the wall could cause damage through the swaying motion of the plant in high winds.
I am a bit confused by the statement that cordyline is a lily. I do not profess to know off hand but the RHS encyclopedia I just looked in states it is in the Agavaceae family and not the liliaceae family. |
RE: Coryline Australis Help
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| Cordylines are sometimes considered in a family called Asparagaceae, sometimes in Liliaceae, sometimes in Agavaceae. Liliaceae in the past included nearly all flowering monocotyledons but has gradually been broken apart into multiple families. |
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