花卉能调节老年人的生活，又能使人浮想联翩。由于人们欣赏的角度不同，所以，赏花一般分为观花、观叶、观果三种类型。观花则要求花色艳丽（如大丽花、美人蕉等），花形奇特（如荷包花、菊花等），香气芬芳（如兰花、茉莉花等）。观叶则要求枝繁叶茂、叶片青翠（如广东万年青 Flowers can regulate the lives of the elderly, but also make people imagination. Because people appreciate the different perspectives, so, flowers are generally divided into flowers, foliage, concept fruit three types. Flowers are beautiful flowers (such as Dahlia, Canna, etc.), flower-shaped peculiar (such as purse flowers, chrysanthemums, etc.), fragrant (such as orchids, jasmine, etc.). The concept of leaves requires flourishing, green leaves (such as Guangdong evergreen