Hard frosts can cause compost in containers to freeze and crack the container. The plants may well be OK, but the pot will need to be replaced. 

A simple way to protect containers against frost is to fill a dustbin liner with shredded newspaper and wrap the liner around the container. Secure the liner to the container with string or wire. Simple, and it works.

If you want to protect container plants from the frost, lightly pack straw around the branches and cover with polythene. Loosely tie string round the polythene to keep it in place.

 

 

 

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