Saturday 8 December 2012

The effect of cold on evergreen exotic plants.

The following video demonstrates the effect of subzero temps on evergreen exotic plants including Echiums.  (The same effect can be seen on Fatsias.)

This short (by my standards :) ) video demonstrates the effect of sub zero temps on evergreen exotic plants such as echiums and Fatsias.   The basic method is that the plant removes water from the cells in its leaves and transports the water to the main stem where it can expand and doesn't cause any damage.  There is a limit of course which in the case of echiums is around minus 5 and Fatsia around minus 15ish.The effect on the plant during the time when the water is removed from the leaves is the same as when the plant is dehydrated from the lack of water/wilting.

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