Mandarin trees are one of the best citrus varieties you can grow in a pot because of their small size. This small, yet extremely fragrant and delicious fruit is cold hardy up to 20F, and can be easily grown in pots, but must be brought indoors once temperatures fall. Keep reading if you're interested in learning how to grow mandarins in pots or even in your own garden! How to Grow Mandarins in Pots - a DIY Gardening Guide Planting Mandarins: Choose a large enough pot that will be able to sustain a mandarin tree. Steer away from plastic pots