The Moss Chico is an adorable pet plant that can bring a touch of nature to any room. The will eventually grow into a Moss Amigo sized ball (18-24 months). Product Dimensions: Height: 3 in. Diameter: 3 in. Plant Size: 1/2 inch in diameter All Moss Ricos are composed of living biomass bound to a buoyancy kernel for maximum growth and proliferation.