The Robellini Palm can only be grown in Zones 9-11 in the United States it should be planted in the full sun and in a soil that drains well. It is not a plant that will do well with its feet wet for any length of time. However, it will need to be watered, but at the same time the soil must drain well. The Robellini Palm could be an ideal tree for anyone who wants a palm tree in their yard or garden, but doesn't have the space for a large palm tree. This Palm rarely grows over 12 feet tall, and sometimes only reaches half of that. Yet it features a bushy crown with 3 foot long fronds and can sometimes have a span of up to 10 feet across when you have multiple stocks.