Though not hardy to our grow zone (Zone 5 6)the calamondin orange, which is a hybrid citrus, is amenable to pot growing on patios and rooms with great southern exposure (in the Northern hemisphere). The Easiest Flowers to Grow From Seed: From Alyssum to Zinnias Sowing in Paper Pots 23 Creative Ways To Reuse Plastic Nursery Pots In Your Garden Texas Native Container Plants: 7 Plants to Grow in Containers