Why don't you see fresh dates in shops (UK)?

I'm munching my way through a box of dried dates and something popped into my head. I've never eaten a fresh date, only dried ones. I'm sure you must get fresh ones in other countries so why do I never see them in the UK?
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Yes I know you can't grow dates in the UK. You can't grow bananas either but we still get fresh ones.
Why don't you see fresh dates in shops (UK)?
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