Temperature: The palm can survive in lower temperatures. Supply: Supplied as healthy 3-4ft specimens. Palm trees: Add some real character to your home or garden with one or two palm trees. Versatile plant: Can be kept both indoors and outdoors. Exotic: Get yourself some truly exotic foliage! Easy plants to grow: Washingtonia robusta is a hardy and easy-to-grow species of fan palm. Giant Palm Tree | Living Social