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zipcode · April 28, 2021

Under 5C the cucumber roots can't really take water and the plants look like they are freezing even if they technically aren't. 45F is above that, for zucchini it should be fine, but maybe not cucumbers and definitely not watermelon.

April 28, 2021	#3
zipcode Tomatovillian™ Join Date: Jun 2010 Location: Romania/Germany , z 4-6 Posts: 1,582	Under 5C the cucumber roots can't really take water and the plants look like they are freezing even if they technically aren't. 45F is above that, for zucchini it should be fine, but maybe not cucumbers and definitely not watermelon.