Senecio serpens 'Blue Chalk Sticks' are part of the Asteraceae family and are native to South Africa. Their leaves are blue-green in color. They can reach up to 12 inches in height. In the summer and fall, there can be white flowers that appear. These plants are easy to care for and would make a wonderful groundcover. Care Tips Light: They should be in partial sun. Water: Give them water when the soil is dry. Soil: They require well-draining soil. Potting: It’s only required for them to be repotted once every couple of years. Temperature: It’s best to grow them in 70-80°F (21-27°C). Humidity: Normal household humidity levels are great for these plants.