Q.Growing strawberries in buckets
I live in Maryland. Our winters are pretty cold. Will these berries freeze out in winter? Can I leave my buckets out or do I have to put them in the garage?
Depending on your location in Maryland your growing zone is from 5b to 8a.
https://www.gardeningknowhow.com/planting-zones/maryland-planting-zones.htm
Use these links to determine when to plant and how to care for your container Strawberries.
http://strawberryplants.org/2011/04/strawberry-planting-guide/
https://www.gardeningknowhow.com/edible/fruits/strawberry/container-grown-strawberries.htm
https://extension.umd.edu/growit/fruit-profiles/strawberries
Contact your local County Extension Office for a list of varieties that would be successful in your region.
Here is a link to locate your nearest office.