Hand-selected grower's choice varieties by the expert growers at Costa Farms, the O2 for you collection includes the most efficient, natural air-purifying plants around. These plants are scientifically proven by NASA to be some of the very best plants for clean air. In general, place the plants in a bright spot, but not directly in sunlight. If the container does not have holes, use approximately half a cup of water, adjust as needed for your environment. The height at dispatch ranges from 10-15 inches tall, measured from the bottom of the pot to the top of the plant. Each plant is potted in a lightweight, 4-inch growers pot; made from a 100% recyclable #5 material. To help with water drainage, these containers have holes. The plants an range from slow to quick growing and are hardy in USDA Zone 10. Give them a boost during the warm months of Spring and Summer with a general-purpose fertilizer that is formulated for house plants. When the plant out grows the current container, it is time to repot. To repot the plant, gently remove it from its current container and place it into a slightly larger container. Fill in any empty spaces with new and fresh soil and water thoroughly. Be aware of third-party sellers; other companies try to imitate our quality. There are no other authorized Costa Farms sellers. Plants are living things; each one is slightly different, so the plant you receive may vary from the photo. Our growers hand-pick the healthiest and highest-quality plants. We package our plants with great care so they'll arrive at your home ready to be displayed. Arrives fresh from our farm to you, Costa Farms is passionate about delivering happy, healthy, beautiful plants. Costa Farms plants are not intended for human or animal consumption. Keep out of reach of children and pets. We're unable to deliver this item to: AK, AZ, CA, GU, HI.