Blueberry Bushes

Does Dormant Blueberry Bush Need Sunlight? (Will They Survive 3 Months in Dark Unheated Basement/Garage)

splui added on September 9, 2017 | Answered

Hi, I have a question about dormancy. I have 2 blueberries bush plants in a 16" pot on my balcony and I live in Toronto (winters go below freezing for 3-4 months). I was instructed to relocate the pot in my unheated basement garage during the months with freezing temperature, and water it once a month. My question is that do dormant plants require sunlight? My basement has no light. Please let me know thank you! Shu

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Certified GKH Gardening Expert
Answered on September 10, 2017

Even in dormancy, blueberries need some light. In fact most blueberries require a period of roughly 200 hours of temperatures between 37 and 42 degrees to fruit properly the next year. Here is an article that will help:

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