Hello, I am new to this forum. I recently potted five 1-year old Japanese maples: Villa Taranto, Toyama Nishiki, Goshiki Shidare, Orangeola, and Koto no Ito. I plan to plant some of them in the garden in couple years. Would like to know how to protect potted JM in winter. I am in north NJ (zone 6). Should I move them inside (in the garage or shed)? Also which one of the above trees is suitable to grow in containers? Thank you very much in advance.