• The use of indoor plants or houseplants help bring in natural green into the inside living areas. According to the University of Georgia Extension, people spend 90 percent of their time indoors and houseplants are becoming an increasingly popular way to enhance a sense of well being indoors. Plant toxicity is one factor to consider when selecting indoor plants. This is especially important where there are pets and children in the house.
  
  

Zebra Plant

• Zebra plant (Aphelandra squarrosa) is among the non-poisonous houseplants you might select. The plant is a member of the acanthus family and grows to about a 1 foot in height. Zebra plant has oval, pointed leaves with multicolored veined markings and flowers on distinct terminal spikes. The plant is a "photoaccumulator" according to the University of Arkansas Extension and must have a certain number of days in bright light conditions before it will flower.
  
  Zebra plants grow best in an average nighttime temperature of above 65 degrees and well-drained, fertile soil. If the soil is not kept moist and dries out, the plant starts to wilt and the lower foliage drops, advise Arkansas Extension horticulturalists.
  
  

Ti Plant

• Ti plant (Cordyline terminalis) is also referred to as Hawaiian good luck plant and is a non-poisonous indoor plant. The plant is a native of east Asia and is among the more popular species of indoor plants due to their colorful foliage. The 'Baby Doll' cultivar has with small maroon, pink-edged leaves, while 'Firebrand' exhibits large, dark burgundy foliage. The color of ti plant foliage is dependent on temperature where higher temperatures in the summer cause the leaves to the lose their brightness, according to University of Florida Extension. Low light and over-fertilization also affects plant color.
  
  

Prayer Plant

• Prayer plant (Maranta leucoreura) is an easy-to-grow plant which is also safe to use indoors due to non-toxicity. Prayer plant grows best in bright, indirect sunlight, well-drained soil and a high level of humidity. The plants are low-growing and have oval, maroon and cream-veined leaves. Some varieties also have larger leaves. The plant gets its name from its quality of folding its leaves in the evening like hands held up in prayer. The leaves open again in the morning. In too bright light, the leaf color starts to fade. Water regularly to keep soil from drying out.