3 ms·Coconut palms don't grow under water.by pennaMan 11y agoCoconut palms don't grow under water.elcct 11y agoIf you Google for London Clay you will learn that UK used to be full of tropical plants. Why not have that again?jakub_h 11y agoIf by "why not", you mean physical possibility, maybe because the UK is not going to become tropical again any time soon?