Imagine you’re in danger. Your home has become a warzone – bombs and bullets are a daily occurrence. What would you do? Astonishingly, the answer for many people is to create a garden. War correspondent Lalage Snow has travelled to Israel, Gaza, Ukraine and Afghanistan to document the gardens that people create to provide peace and respite from the wars around them. She shares how gardening can be an act of hope and defiance.

Do you have a gardening question you'd like Alan Titchmarsh's help with? Submit your question in the comments below or go to www.gardenersworld.com/podcast/questions/

Alan will answer a selection in the Ask Alan podcast series from BBC Gardeners' World Magazine in February and March.

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