Hi, welcome to GoY, I think you may have got the name wrong unfortunately, Cocos is a genus of 1 species, Cocos nucifera, which is the coconut palm, which can grow to 100 feet in height, you can grow small plants for a time in a warm greenhouse, using john innes number 2 compost, with added sharp sand, and fibrous organic matter, water sparingly in winter, needs a minimum winter temperature of 64 deg f, C nucifera 'nino' is a smaller plant, only growing to about 10 ft, but still needs the same temperature, Derek.