Sago Palm PlantsSago Palm Plants for Sale Online Sago Palm Plants, although not a true palm, offers a look into what life looked like on prehistoric Earth. These glossy, dark green cycads have been growing and thriving since dinosaurs roamed the Earth. As you can imagine, the plants are incredibly hardy houseplants, or can even be planted outdoors in full sun where hardy. The feathery foliage on Sago Palm Plant makes an excellent background plant for a corner indoors